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Grade 8 Hex Bolts

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  • Grade 8 Hex Bolts

Class 8 Nuts, Flat Washers, Threaded Rod and SAE J429 Grade 8 Fasteners manufacturer in India

Sae J429 Grade 8 normal specification for in-series metal screws screws, studs, SEMS screws along with ubolts in measurements upto 1-1/2 inch. It is typically constructed out of versions of moderate carbon dioxide. It have been made, fabricated and tested to follow the expectations determined by SAE J429 for evidence loading, yield and tensile strength, elongation, area roughness and heart hardness. Grade 8 Self Tapping Screws are one of the most commonly used industrial fasteners. It is one of the earliest engineered products of fastener. It is manufactured out of hardened steel, and their use powered the Industrial Revolution. And still it is incredibly common today; self-tapping screws include many styles and types which are made for specific fastening functions. Since they are used so heavily in the sheet metal trade, it can accurately be described simply a tapping screw, but is also regularly referred to as a sheet metal screw.

Grade 8 Hex Bolts is a type of threaded bolt which is characterized by their six-sided hexagonal-shaped head. It is suitable for use in a wide range of applications, typically construction and machinery. Grade 8 Metric Bolts are threaded fasteners whose length, thread pitch, thread length and thread length are offered in metric measurement, such as one millimeter. It can be fully or partially threaded; a partially threaded bolt has an area beneath the head that is bare from threads. Grade 8 Threaded Rod is a rod of varying length that is threaded in a helical structure and is often referred to as a stud. It is a relatively long rod that is threaded on both the ends; the thread can be extended along the complete length of the rod. It is been manufactured to be used in tension. 

Grade 8 Lag Screws is one of the toughest fasteners. It is an extremely sturdy fastener which is usually used to connect heavy lumber or other heavy materials that are bearing an intense load. It differs from normal wood, self-drilling or sheet metal screws. Grade 8 Plow Bolts are a specialized type of fastener. It is similar to carriage bolts, but the head of a plow bolt is concave or flat. It is used for creating mechanical bearings, which requires a smooth surface where the bolt heads can be efficiently pop out.  Grade 8 U Bolt is often used for the attaching of pipes or steel round bars to round wood or steel posts. It is an industrial fastener in the shape of the letter U with two threaded arms (or legs) extending from a curved base.  Grade 8 Flange Bolts have been developed to eliminate the deficiencies that have been found with the use of washers. It is usually used in vehicle frames, especially in trucks and anywhere a head bolt is required. Grade 8 Fasteners is a hardware device that can be used to join two or more objects. It can be permanent or semi-permanent way. Grade 8 Bolt is a type of a fastener which is used to join two parts together. It is a screw that rotates into a matched nut to tighten it. It has a bigger head than the shaft, with a few exceptions. 

Grade 8 Fasteners

Grade 8 Fasteners

Grade 8 Nuts

Grade 8 Nuts

Grade 8 Bolts

Grade 8 Bolts

Grade 8 Hex Bolts

Grade 8 Hex Bolts

Grade 8 Stud Bolts

Grade 8 Stud Bolts

Grade 8 Threaded Rod

Grade 8 Threaded Rod

Manufacturer of SAE J429 Gr8 Eye Bolt, Allen Head Bolts and Grade 8 Socket Head Cap Screws and provides 100% PMI with all material

Grade 8 Hex Bolts

Table of contents

Grade 8 Hex Bolts Specifications

Heat-treated High strength SAE Grade 8 Nuts and Bolts, Cap Screw, Lock Nut, Button Head Bolts & Lag Screws in M1.4 to M30 Metric Size and Fine Thread, buy directly from Grade 8 Metric Bolts manufacturers in India for factory price

SAE Grade 2 Bolts
  • Material: Low or medium carbon steel
  • Size: 1/4-inch to 3/4-inch
  • Proof Load (psi): 55,000
  • Min. Yield Stress (psi): 57,000
  • Min. Tensile Stress (psi): 74,000
  • Size: 7/8-inch to 1-1/2-inch
  • Proof Load (psi): 33,000
  • Minimum Yield Strength (psi): 36,000
  • Minimum Tensile Strength (psi):60,000
SAE Grade 5 Bolts
  • Head Marking: Three radial lines
    Material: Medium carbon steel, Q and T, quenched and tempered
    Size Range: 1/4-inch to 1-inch
    Proof Load (psi): 85,000
  • Minimum Yield Strength (psi): 92,000
  • Minimum Tensile Strength (psi): 120,000
  • Size Range: Over 1-inch to 1-1/2-inch
    Proof Load (psi): 74,000
  • Min. Yield Stress (psi): 81,000
  • Min. Tensile Stress (psi): 105,000
SAE Grade 8 Bolts
  • Head Marking: 6 radial lines
  • Material: Medium carbon alloy steel, Q and T, quenched and tempered
  • Size: 1/4-inch to 1-1/2-inch
  • Proof Load (psi): 120,000
  • Min. Yield Stress (psi): 130,000
  • Min. Tensile Stress (psi): 150,000
SAE J429 Grade 8 Fasteners Sizes M24-M100
Class 8 Bolts Size Metric
  • Dia: M10 - M110
  • Length: 12 - 1200MM
Grade 8 Hex Bolts Size Inch
  • Dia: 1/2" - 4.0"
  • Length: 1/2" - 52"
Standard

Manufacturer of Grade 8 Hex Bolts as per IS, ASTM, DIN, ISO, ANSI, EU, IFI, JIS, ASME, BS, UNI, GB, CSN, PN, and all International Standards

  • German DIN
  • ANSI B 18.2.4 2M
  • ANSI - American National Standards Institute
  • American ASME
  • GB/T5783, GB/T5782, GB5783
  • International ISO
  • American SAE
  • Polish PN
  • Spanish CSN
  • British BS
  • Italian UNI
  • ANSI B 28.2.4 1M
  • Indian IS
  • European EU
Grade 8 Hex Bolts Length 3 mm to 200 mm
SAE Grade 8 Bolts & Screws US Threads UNJC and UNJF threads, METRIC, BSF, Unified national fine (UNF), Unified national extra fine (UNEF), Unified national coarse (UNC), BSW, UNK, UNR, Constant-pitch threads
Grade 8 Hex Bolts UTS - Unified Thread Standard UNF, UNS, NPT, UNEF, UNC, NPTF
Grade 8 Bolts Head drive Phillips/Slot, Slotted, Six-Lobe, Phillips, etc
Material Origin Grade 8 Hex Bolts are Western European. Eastern origin possible on request.
Grade 8 Nut Bolt Surface Finish & Coating
  • Ptfe Coated SAE J429 Grade 8 Bolts
  • Teflon
  • Phosphate
  • Manganese Phosphate
  • Xylon
  • Hot Dipped Galvanized
  • Anodizing
  • Cadmium
  • Zinc Electro Plating (Hexavalent or Trivalent Chrome)
  • ZAC (Zinc Alluminium Flake Coating)
  • Hot Dip Galvanised (HDG)
  • Zinc Phosphate (yellow, blue, white, black)
  • Nickel plated
  • Self-Colour
  • Geometry
  • Plated zinc-nickel
  • Bright Zinc Plated (BZP)
  • Dacroment
  • Black oxide
  • Sherardized
Other Grade 8 Hex Bolts manufacturers Omni, APL, Kundan, Deepak Fasteners, Unbrako, Sundaram Precision, Infasco, Caparo, EBY Fastener, SPAX® Screws, GKW Etc.
ASME B18.5 SAE J429 Fasteners types Wing Screw, Bolts, Anchor Bolt, Hex Set Screw, Cap Screw, Marine Anchors, Square Nut, Hex Head Bolts, Hex Nut, Machine Screw, Nut, Screw, Structural Bolts, J Bolts, Sockets, Hex Coupling Nut, U Bolts, Hexagon Nut, Screws, Socket Hexagon Head Screw, Wing Screw, Socket Screw, Washers, Allen Cap screw, Spring Washers, Studs, Eye Bolt, Socket Head Cap Screw, Mushroom Head Square Neck Bolts, Stud Bolts, Studs, T-Head Bolts, Foundation Bolts, Nuts, Pan Head Screw, Anchors, Hex Domed Cap Nuts
Why Rolex Metal Distributors?
  • An Indian manufacturer of Grade 8 Fasteners, established in Year 2008
  • Wide International network : Western Europe, Eastern Europe, Middle East, Southeast Asia, North America, and South America
  • Highly professional and technical team
  • Best Price in India compared to Grade 8 Hex Bolts manufacturers in China
  • High precision threads grade 8 threaded rod
  • Always final Inspection before shipment
  • Pre-production J429 Grade 8 Fasteners sample before mass production
MOQ 5 pieces
Preferred SAE J429 Grade 8 Nut Bolt Drawing Formats JPEG, PDF, CAD, STP, IGS
Delivery time Regular product is about 7-15 days
Ask for Test Certificates from Grade 8 Hex Bolts manufacturers
  • ASME B18.5 SAE J429 Bolts Charpy Impact testing in accordance with ISO 148-1
  • Class 8 Bolts Tensile testing to ISO 898-1
  • Nut proof load testing to ISO 898-2
  • Suitability for preloading to EN 14399-2
  • Tri-Roll Thread Comparators
  • Hardness testing to ISO 6508-1
  • Suitability test for calibrated preload to EN 14399-10
  • Provides Manufacturer Test Certificate (MTC) as per EN 10204 / 3.1
  • Calibrated gauges and tools
Free Samples Yes
Payment Terms T/T, Western Union, Paypal, L/C or Trade Assurance 30% deposit & balance before shipping
SAE Grade 8 Fasteners Application and Uses Automotive industry and other Industrial applications
Port of Dispatch Mumbai or Kalamboli ports in Maharashtra, India
ISO - International Organization for Standardization

SAE Grades Bolt Marking

Head
Marking		 Bolt SAE Grade Dia (in) Yield Strength Proof Strength Tensile Strength (Ultimate)
SAE grade 2 bolt marking Grade 2 1/4 to 3/4 57 55 74
3/4 to 1-1/2 36 33 60
SAE grade 5 bolt marking Grade 5 1/4 to 1 92 85 120
1 to 1-1/2 81 74 105
SAE grade 8 bolt marking Grade 8 1/4 to 1-1/2 130 120 150

SAE J429 Grade 8 Hex Bolts Dimensions

Manufacturer and supplier of ASME B18.5/ ASME B18.2.1 SAE J429 Grade 8 Steel Flange Bolts, Hex Nut, U Bolt and All Thread Rod, view thread dimensions, price, and size chart

SAE J429 Grade 8 Heavy Hex Bolts Dimensions

SAE J429 GRADE 8 STEEL PLAIN HEX HEAD BOLT

Body Diameter Basic Body Diameter Max Body Diameter Min Width Across Flats Basic Width Across Flats Max Width Across Flats Min Width Across Corners Max Width Across Corners Min Head Height Basic Grade 8 Bolt Head Height Max Head Height Min Radius of Fillet Max Radius of Fillet Min Thread Length 6" and Shorter Thread Length Over 6"
1/4 0.260 0.237 7/16 0.438 0.425 0.505 0.484 11/64 0.188 0.150 0.03 0.01 0.750 1.000
5/16 0.324 2.980 1/2 0.500 0.484 0.577 0.552 7/32 0.235 0.195 0.03 0.01 0.875 1.125
3/8 0.388 0.360 9/16 0.562 0.544 0.650 0.620 1/4 0.268 0.226 0.03 0.01 1.000 1.250
7/16 0.452 0.421 5/8 0.625 0.603 0.722 0.687 19/64 0.316 0.272 0.03 0.01 1.125 1.375
1/2 0.515 0.482 3/4 0.750 0.725 0.866 0.826 11/32 0.364 0.302 0.03 0.01 1.250 1.500
5/8 0.642 0.605 15/16 0.938 0.906 1.083 1.033 27/64 0.444 0.378 0.06 0.02 1.500 1.750
3/4 0.768 0.729 1-1/8 1.125 1.088 1.299 1.240 1/2 0.524 0.455 0.06 0.02 1.750 2.000
7/8 0.895 0.852 1-5/16 1.312 1.269 1.516 1.447 37/64 0.604 0.531 0.06 0.02 2.000 2.250
1 1.022 0.976 1-1/2 1.500 1.450 1.732 1.653 43/64 0.700 0.591 0.09 0.03 2.250 2.500
1-1/8 1.149 1.098 1-11/16 1.688 1.631 1.949 1.859 3/4 0.780 0.658 0.09 0.03 2.500 2.750
1-1/4 1.277 1.223 1-7/8 1.875 1.812 2.165 2.066 27/32 0.876 0.749 0.09 0.03 2.750 3.000
1-3/8 1.404 1.345 2-1/16 2.062 1.994 2.382 2.273 29/32 0.940 0.810 0.09 0.03 3.000 3.250
1-1/2 1.531 1.470 2-1/4 2.250 2.175 2.598 2.480 1 1.036 0.902 0.09 0.03 3.250 3.500
1-3/4 1.785 1.716 2-5/8 2.625 2.538 3.031 2.893 1-5/32 1.196 1.054 0.12 0.04 3.750 4.000
2 2.039 1.964 3 3.000 2.900 3.464 3.306 1-11/32 1.388 1.175 0.12 0.04 4.250 4.500
2-1/4 2.305 2.214 3-3/8 3.375 3.262 3.897 3.719 1-1/2 1.548 1.327 0.19 0.06 4.750 5.000
2-1/2 2.559 2.461 3-3/4 3.750 3.625 4.330 4.133 1-21/32 1.708 1.479 0.19 0.06 5.250 5.500
2-3/4 2.827 2.711 4-1/8 4.125 3.988 4.763 4.546 1-13/16 1.869 1.632 0.19 0.06 5.750 6.000
3 3.081 2.961 4-1/2 4.500 4.350 5.196 4.959 2 2.060 1.815 0.19 0.06 6.250 6.500
3-1/4 3.335 3.210 4-7/8 4.875 4.712 5.629 5.372 2-3/16 2.251 1.936 0.19 0.06 6.750 7.000
3-1/2 3.589 3.461 5-1/4 5.250 5.075 6.062 5.786 2-5/16 2.380 2.057 0.19 0.06 7.250 7.500
3-3/4 3.858 3.726 5-5/8 5.625 5.437 6.495 6.198 2-1/2 2.572 2.241 0.19 0.06 7.750 8.000
4 4.111 3.975 6 6.000 5.800 6.928 6.612 2-11/16 2.764 2.424 0.19 0.06 8.250 8.500

Class 8 Hex Nuts Dimensions

Finding hot dip galvanized Alloy Steel SAE Grade 8 Plow Bolts manufacturers for heavy duty? Buy J429 Grade 8 Carriage Bolts, Square U Bolts, Flange Nuts and Screws in exact specification

ASME B18.5 SAE J429 Heavy Hex Nut Dimensions in mm

ISO SAE J429 Grade 8 Hex Nut NB Across Corners MAX Thickness MIN Thickness MAX Across Flats MIN Across Flats
M 8 14.38 6.8 6.44 13 12.73
M 10 17.77 8.4 8.04 16 15.73
M 12 20.03 10.8 10.37 18 17.73
M 14 23.35 12.8 12.1 21 20.67
M 16 26.75 14.8 14.1 24 23.67
M 18 29.56 15.8 15.1 27 26.16
M 20 32.95 18 16.9 30 29.16
M 22 37.29 19.4 18.1 34 33
M 24 39.55 21.5 20.2 36 35
M 27 45.2 23.8 22.5 41 40
M 30 50.85 26.6 24.3 46 45
M 33 55.37 28.7 27.4 50 49
M 36 60.79 31 29.4 55 53.8
M 39 66.44 33.4 31.8 60 58.8
M 42 71.3 34 32.4 65 63.1
M 45 76.95 36 34.4 70 68.1
M 48 82.6 38 39.4 75 73.1
M 52 88.25 42 40.4 80 78.1
M 56 93.56 45 43.4 85 82.8
M 60 99.21 48 46.4 90 87.8
M 64 104.86 51 49.1 95 92.8
M 68 110.51 54 52.1 100 97.8
M 72 x 6 116.16 58 56.1 105 102.8
M 76 x 6 121.81 61 59.1 110 107.8
M 80 x 6 127.46 64 62.1 115 112.8

ASME B18.5 SAE J429 Flat Washer Dimensions

ISO 7089 SAE J429 Grade 8 Flat Washer dimensions in mm

ASME B18.5 SAE J429 Flat Washer Dimensions

Class 8 Bolt Size USS SAE
OD (in.) ID (in.) Thickness OD (in.) ID (in.) Thickness
1/8 (#6) - - - 0.375 0.156 .036/.065
5/32 (#8) - - - 0.438 0.188 .036/.065
3/16 (#10) 0.560 0.250 .036/.065 0.500 0.220 .036/.065
7/32 (#12) - - - 0.562 0.250 .051/.080
1/4 (#14) 0.734 0.312 .051/.080 0.625 0.281 .051/.080
5/16 0.875 0.375 .064/.104 0.688 0.344 .051/.080
3/8 1.000 0.438 .064/.104 0.812 0.406 .051/.080
7/16 1.250 0.500 .064/.104 0.922 0.469 .051/.080
1/2 1.375 0.562 .086/.132 1.062 0.531 .074/.121
9/16 1.469 0.625 .086/.132 1.156 0.594 .074/.121
5/8 1.750 0.688 .108/.160 1.312 0.656 .074/.121
3/4 2.000 0.812 .122/.177 1.469 0.812 .108/.160
7/8 2.250 0.938 .136/.192 1.750 0.938 .108/.160
1 2.500 1.062 .136/.192 2.000 1.062 .108/.160
1 1/8 2.750 1.250 .136/.192 2.250 1.250 .108/.160
1 1/4 3.000 1.375 .136/.192 2.500 1.375 .136/.192
1 3/8 3.250 1.500 .153/.213 2.750 1.500 .136/.213
1 1/2 3.500 1.625 .153/.213 3.000 1.625 .153/.213
1 5/8 3.750 1.750 .153/.213 - - -
1 3/4 4.000 1.875 .153/.213 - - -
1 7/8 4.250 2.000 .153/.213 - - -
2 4.500 2.125 .153/.213 - - -
2 1/4 4.750 2.375 .193/.248 - - -
2 1/2 5.000 2.625 .210/.280 - - -
2 3/4 5.250 2.875 .228/.310 - - -
3 5.500 3.125 .249/.327 - - -

SAE Grade 8 Socket Head Cap Screw Dimensions

American National Standard ANSI/ASME B18.3.1M SAE J429 Grade 8 Socket Head Cap Screws

SAE Grade 8 Socket Head Cap Screw Dimensions

Class 8 Screw Nom. Size Thread Pitch Body
Diameter
D		 Head
Diameter
A		 Head
Height
H		 Chamfer
or
Radius
S		 Hexagon
Socket
Size
J		 Spline
Socket
Sizea
M		 Key
Engagement
T		 Transition
Dia.
B
Max Min Max Min Max Min Max Nom. Nom. Min Max
M1.6 × 0.35 1.60 1.46 3.00 2.87 1.60 1.52 0.16 1.5 1.829 0.80 2.0
M2 × 0.4 2.00 1.86 3.80 3.65 2.00 1.91 0.20 1.5 1.829 1.00 2.6
M2.5 × 0.45 2.50 2.36 4.50 4.33 2.50 2.40 0.25 2.0 2.438 1.25 3.1
M3 × 0.5 3.00 2.86 5.50 5.32 3.00 2.89 0.30 2.5 2.819 1.50 3.6
M4 × 0.7 4.00 3.82 7.00 6.80 4.00 3.88 0.40 3.0 3.378 2.00 4.7
M5 × 0.8 5.00 4.82 8.50 8.27 5.00 4.86 0.50 4.0 4.648 2.50 5.7
M6 × 1 6.00 5.82 10.00 9.74 6.00 5.85 0.60 5.0 5.486 3.00 6.8
M8 × 1.25 8.00 7.78 13.00 12.70 8.00 7.83 0.80 6.0 7.391 4.00 9.2
M10 × 1.5 10.00 9.78 16.00 15.67 10.00 9.81 1.00 8.0 … 5.00 11.2
M12 × 1.75 12.00 11.73 18.00 17.63 12.00 11.79 1.20 10.0 … 6.00 14.2
M14 × 2b 14.00 13.73 21.00 20.60 14.00 13.77 1.40 12.0 … 7.00 16.2
M16 × 2 16.00 15.73 24.00 23.58 16.00 15.76 1.60 14.0 … 8.00 18.2
M20 × 2.5 20.00 19.67 30.00 29.53 20.00 19.73 2.00 17.0 … 10.00 22.4
M24 × 3 24.00 23.67 36.00 35.48 24.00 23.70 2.40 19.0 … 12.00 26.4
M30 × 3.5 30.00 29.67 45.00 44.42 30.00 29.67 3.00 22.0 … 15.00 33.4
M36 × 4 36.00 35.61 54.00 53.37 36.00 35.64 3.60 27.0 … 18.00 39.4
M42 × 4.5 42.00 41.61 63.00 62.31 42.00 41.61 4.20 32.0 … 21.00 45.6
M48 × 5 48.00 47.61 72.00 71.27 48.00 47.58 4.80 36.0 … 24.00 52.6

Grade 8 Bolts Type

Specialized manufacturer of Grade 8 Tap Bolts & Self Tapping Screws in Mumbai, SAE J429 Gr8 Thread Full Hex Bolt also known as a Alloy Steel SAE Class 8 Tap Bolt.

SAE J429 Grade 8 U Bolt

SAE J429 Grade 8 U Bolt

Class 8 Eye Bolt

Class 8 Eye Bolt

ASME B18.5 SAE J429 Hex Bolt

ASME B18.5 SAE J429 Hex Bolt

SAE Grade 8 Heavy Hex Bolt

SAE Grade 8 Heavy Hex Bolt

J429 Grade 8 Hex Head Bolt

J429 Grade 8 Hex Head Bolt

SAE J429 Gr8 Carriage Bolt

SAE J429 Gr8 Carriage Bolt

ASME B18.2.1 SAE J429 Galvanized Bolt

ASME B18.2.1 SAE J429 Galvanized Bolt

Alloy Steel SAE Grade 8 Hot Dip Galvanized Bolts

Alloy Steel SAE Grade 8 Hot Dip Galvanized Bolts

SAE J429 Grade 8 M16 Bolt

SAE J429 Grade 8 M16 Bolt

Class 8 M8 Bolt

Class 8 M8 Bolt

ASME B18.5 SAE J429 M10 Bolt

ASME B18.5 SAE J429 M10 Bolt

SAE Grade 8 Square Head T Bolt

SAE Grade 8 Square Head T Bolt

J429 Grade 8 Oval Head Bolt

J429 Grade 8 Oval Head Bolt

Full Thread SAE J429 Gr8 Hex Bolt

Full Thread SAE J429 Gr8 Hex Bolt

ASME B18.2.1 SAE J429 Hexagon Bolt

ASME B18.2.1 SAE J429 Hexagon Bolt

Alloy Steel SAE Grade 8 Flange Bolt

Alloy Steel SAE Grade 8 Flange Bolt

SAE J429 Grade 8 Plow Bolt

SAE J429 Grade 8 Plow Bolt

Class 8 Lag Bolt

Class 8 Lag Bolt

ASME B18.5 SAE J429 Structural Hex Bolts

ASME B18.5 SAE J429 Structural Hex Bolts

SAE Grade 8 Cup Head Bolt

SAE Grade 8 Cup Head Bolt

J429 Grade 8 Allen Bolt

J429 Grade 8 Allen Bolt

SAE J429 Gr8 CSK Bolt

SAE J429 Gr8 CSK Bolt

ASME B18.2.1 SAE J429 Nuts Types

SAE J429 Grade 8 Lock Nut

SAE J429 Grade 8 Lock Nut

Class 8 Hex Nut

Class 8 Hex Nut

SAE Grade 8 Pinion Nut

SAE Grade 8 Pinion Nut

ASME B18.2.1 SAE J429 M10 Hexagon Nut

ASME B18.2.1 SAE J429 M10 Hexagon Nut

ASME B18.5 SAE J429 Weld Nut

ASME B18.5 SAE J429 Weld Nut

J429 Grade 8 Heavy Hex Nut

J429 Grade 8 Heavy Hex Nut

SAE J429 Gr8 Slotted Flange Nut

SAE J429 Gr8 Slotted Flange Nut

Fine Thread Alloy Steel SAE Grade 8 Hex Nut

Fine Thread Alloy Steel SAE Grade 8 Hex Nut

Grade 8 Stud Bolt Type

SAE J429 Grade 8 Stud Bolt

SAE J429 Grade 8 Stud Bolt

Class 8 Threaded Rod

Class 8 Threaded Rod

ASME B18.5 SAE J429 Studs

ASME B18.5 SAE J429 Studs

SAE Grade 8 Stud Bar

SAE Grade 8 Stud Bar

J429 Grade 8 Weld Studs

J429 Grade 8 Weld Studs

SAE J429 Gr8 Fully Threaded Studs

SAE J429 Gr8 Fully Threaded Studs

ASME B18.2.1 SAE J429 Double End Studs

ASME B18.2.1 SAE J429 Double End Studs

Alloy Steel SAE Grade 8 Partially Threaded Studs

Alloy Steel SAE Grade 8 Partially Threaded Studs

Alloy Steel SAE Grade 8 Screws Types

SAE J429 Grade 8 Hex Screw

SAE J429 Grade 8 Hex Screw

Class 8 Lag Screw

Class 8 Lag Screw

ASME B18.5 SAE J429 Socket Head Cap Screw

ASME B18.5 SAE J429 Socket Head Cap Screw

SAE Grade 8 Machine Screw

SAE Grade 8 Machine Screw

J429 Grade 8 Set Screw

J429 Grade 8 Set Screw

SAE J429 Gr8 Coach Screw

SAE J429 Gr8 Coach Screw

ASME B18.2.1 SAE J429 Grub Screw

ASME B18.2.1 SAE J429 Grub Screw

Alloy Steel SAE Grade 8 Cap Screw

Alloy Steel SAE Grade 8 Cap Screw

SAE J429 Grade 8 Hex Head Screw

SAE J429 Grade 8 Hex Head Screw

Class 8 Hexagon Head Screw

Class 8 Hexagon Head Screw

ASME B18.5 SAE J429 Screw Hex Flange

ASME B18.5 SAE J429 Screw Hex Flange

SAE Grade 8 Square Head Screw

SAE Grade 8 Square Head Screw

Grade 8 Washers Types

SAE J429 Grade 8 Flat Washer

SAE J429 Grade 8 Flat Washer

Class 8 Fender Washer

Class 8 Fender Washer

ASME B18.5 SAE J429 Curved Spring Washer

ASME B18.5 SAE J429 Curved Spring Washer

SAE Grade 8 Split Lock Washer

SAE Grade 8 Split Lock Washer

J429 Grade 8 Square Washer

J429 Grade 8 Square Washer

SAE J429 Gr8 Star Washer

SAE J429 Gr8 Star Washer

ASME B18.2.1 SAE J429 Tooth Lock Washer

ASME B18.2.1 SAE J429 Tooth Lock Washer

Alloy Steel SAE Grade 8 Wave Spring Washer

Alloy Steel SAE Grade 8 Wave Spring Washer

SAE J429 Grade 8 Nuts Sizes

SAE Grade 8 Finished Hex Nuts sizes as per ANSI/ASME B18.2.2

Class 8 Nuts Sizes

Nominal or Basic Major Diameter of Nut Thread

 SAE J429 Grade 8 Nuts Width Across Flats (F)

 Width Across Corners (G) Thickness of Class 8 Hex Nuts (H) 
Basic Max Min  Max  Min Basic  Max Min 
1/4 0.2500 7/16 .438 .428 .505 .488 7/32 0.226 0.212
5/16 0.3125 1/2 .500 .489 .577 .557 17/64 0.273 0.258
3/8 0.3750 9/16 .562 .551 .650 .628 21/64 0.337 0.320
7/16 0.4375 11/16 .688 .675 .794 .768 3/8 0.385 0.365
1/2 0.5000 3/4 .750 .736 .866 .840 7/16 0.448 0.427
9/16 0.5625 7/8 .875 .861 1.010 .982 31/64 0.496 0.473
5/8 0.6250 15/16 .938 .922 1.083 1.051 35/64 0.559 0.535
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 0.887 0.831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 1-1/16 1.094 1.030
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.317 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2 2.000 3 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.456 2-3/8 2.431 2.319
3 3.000 4-1/2 4.500 4.350 5.196 4.959 2-19/32 2.654 2.534

ASME B18.5 SAE J429 Screws Sizes

SAE Grade 8 Screw Size Body Dia Hex Key Size Head Height Head Dia Maximum Thread Length Minimum Thread Length
No. 0 0.06 0.05 0.06 0.096 5/8 3/8
No. 1 0.073 1/16 0.073 0.118 7/8 3/8
No. 2 0.086 5/64 0.086 0.14 7/8 1/2
No. 3 0.099 5/64 0.099 0.161 7/8 1/2
No. 4 0.112 3/32 0.112 0.183 11/8 11/16
No. 5 0.125 3/32 0.125 0.205 1 11/16
No. 6 0.138 7/64 0.138 0.226 11/8 11/16
No. 8 0.164 9/64 0.164 0.27 11/4 3/4
No. 10 0.19 5/32 0.19 0.312 13/8 15/16
No. 12 0.216 5/32 0.216 0.345 11/4 15/16
1/4 0.250 3/16 1/4 3/8 11/2 15/16
5/16 0.3125 1/4 5/16 15/32 1-3/4 1-1/16
3/8 0.375 5/16 3/8 9/16 2 1-3/16
7/16 0.438 3/8 7/16 21/32 2-1/4 13/16
1/2 0.500 3/8 1/2 3/4 2-1/2 1-3/8
9/16 0.5625 7/16 9/16 27/32 2-7/16 1-5/8
5/8 0.625 1/2 5/8 15/16 3 1-5/8
3/4 0.750 5/8 3/4 11/8 3-1/2 1-7/8
7/8 0.875 3/4 7/8 15/16 3-3/4 2-1/16
1 1.000 3/4 1 11/2 4-1/2 2-1/4
1-1/8 1.125 7/8 1-1/8 111/16 4-21/32 2-13/16
1-1/4 1.250 7/8 1-1/4 17/8 5-3/32 3-1/8
1-1/2 1.500 1 1-1/2 21/4 6-5/64 3-3/4
1-3/4 1.750 11/4 1-3/4 25/8 7-1/8 4-3/8
2 2.000 11/2 2 3 8-7/64 5

SAE Grade 8 Washer Sizes

SAE J429 Grade 8 SAE Flat Washers
Size Inside Diameter Outside Diameter Thickness
#2 3/32" 1/4" .020"
#4 1/8" 5/16" 1/32"
#6 5/32" 3/8" 3/64"
#8 3/16" 7/16" 3/64"
#10 7/32" 1/2" 3/64"
1/4 9/32" 5/8" 1/16"
5/16 11/32" 11/16" 1/16"
3/8 13/32" 13/16" 1/16"
7/16 15/32" 59/64" 1/16"
1/2 17/32" 1-1/16" 3/32"
9/16 19/32" 1-3/16" 3/32"
5/8 21/32" 1-5/16" 3/32"
3/4 13/16" 1-1/2" 9/64"
7/8 15/16" 1-3/4" 9/64"
1" 1-1/16" 2" 9/64"
1-1/8 1-3/16" 2-1/4" 9/64"
1-1/4 1-5/16" 2-1/2" 5/32"
1-1/2 1-7/16" 3" 3/16"
1-5/8 1-3/4" 3-3/4" 3/16"
1-3/4 1-7/8" 4" 3/16"
2 2-1/8" 4-1/2" 3/16"

J429 Grade 8 Bolts Sizes

ASME B18.2.1 SAE J429 Gr8 Hex Head Bolt size (Inch Series)

J429 Grade 8 Bolts Sizes

Nominal or Basic Product Diameter E F G H J LT (Thread Length) Y
Body Diameter Width Across Flats Width Across Corners Head Height Wrenching Height For Screw Lengths For Screw Lengths Transition Thread Length
1/4 0.25 0.25 0.245 7/16 0.438 0.428 0.505 0.488 5/32 0.163 0.150 0.106 0.750 1.000 0.250
5/16 0.3125 0.3125 0.3065 1/2 0.500 0.489 0.577 0.557 13/64 0.211 0.195 0.140 0.875 1.125 0.278
3/8 0.375 0.375 0.369 9/16 0.562 0.551 0.650 0.628 15/64 0.243 0.226 0.160 1.000 1.250 0.312
7/16 0.4375 0.4375 0.4305 5/8 0.625 0.612 0.722 0.698 9/32 0.291 0.272 0.195 1.125 1.375 0.357
1/2 0.5 0.5 0.493 3/4 0.750 0.736 0.866 0.840 5/16 0.323 0.302 0.215 1.250 1.500 0.385
9/16 0.5625 0.5625 0.5545 13/16 0.812 0.798 0.938 0.910 23/64 0.371 0.348 0.250 1.375 1.625 0.417
5/8 0.625 0.625 0.617 15/16 0.938 0.922 1.083 1.051 25/64 0.403 0.378 0.269 1.500 1.750 0.455
3/4 0.75 0.75 0.741 1-1/8 1.125 1.100 1.299 1.254 15/32 0.483 0.455 0.324 1.750 2.000 0.500
7/8 0.875 0.875 0.866 1-5/16 1.312 1.285 1.516 1.465 35/64 0.563 0.531 0.378 2.000 2.250 0.556
1 1 1 0.99 1-1/2 1.500 1.469 1.732 1.675 39/64 0.627 0.591 0.416 2.250 2.500 0.625
1-1/8 1.125 1.125 1.114 1-11/16 1.688 1.631 1.949 1.859 11/16 0.718 0.658 0.461 2.500 2.750 0.714
1-1/4 1.25 1.25 1.239 1-7/8 1.875 1.812 2.165 2.066 25/32 0.813 0.749 0.530 2.750 3.000 0.714
1-1/2 1.5 1.5 1.488 2-1/4 2.250 2.175 2.598 2.480 15/16 0.974 0.902 0.640 3.250 3.500 0.833

Chemical Composition of SAE J429 Grade 8 Hex Bolts

J429 Grade Bolt Marking Material Carbon (C) Phosphorus, maximum Sulfur, maximum
2 No Marking low or medium carbon steel 0.15 - 0.55% 0.03% 0.05%
5 3 radial lines medium carbon steel 0.28 - 0.55% 0.003% 0.05%
8 6 radial lines medium carbon alloy steel 0.28 - 0.55% 0.03% 0.05%

Mechanical Properties of Class 8 Nut Bolt

J429 Grade Size Range Full Size Proofload, psi Yield Stress, psi min. Tensile Stress, psi min. Elong. min. RA min. Core Hardness, Rockwell Tempering Temperature
2 1/4" - 3/4" 55,000 57,000 74,000 18 35 B80 to B100 NA
over 3/4" - 1-1/2" 33,000 36,000 60,000 18 35 B70 to B100
5 1/4" - 1" 85,000 92,000 120,000 14 35 C25 to C34 800F
over 1" - 1-1/2" 74,000 81,000 105,000 14 35 C19 to C30
8 1/4" - 1-1/2" 120,000 130,000 150,000 12 35 C33 to C39 800F

Physical Strength

SAE Grade Marking Size Range
(in)		 Proof Load (psi) Min. Yield Strength (psi) Steel Material
Grade 1   1/4 - 1 1/2     Low/ medium carbon steel
Grade 2 No marking 1/4 - 3/4
7/8 - 1 1/2		 55
33		 74
60		 Low/ medium carbon steel
Grade 5 Three radial lines 1/4 - 1
1 1/8 - 1 1/2		 85
74		 120
105		 Medium carbon steel, Q & T
Grade 5.2   1/4 - 1 85 120 Q & T, Low carbon martensite steel
Grade 7   1/4 - 1 1/2 105 133 Q & T, Medium carbon alloy steel
Grade 8 6 radial lines 1/4 - 1 1/2 120 150 Q & T, Medium carbon alloy steel
Grade 8.2   1/4 - 1 120 150 Q & T, Low carbon martensite steel

ASME B18.5 SAE J429 Fasteners Recommended Hardware

J429 Grade 2 ASTM A307 Grade A or Grade B
J429 Grade 5 ASTM A449 or A354 Grade BC
J429 Grade 8 ASTM A354 Grade BD

Grade 8 bolt tensile strength and load capacity

size –
threads / in		 Dec. major
Dia (in)		 Tensile
stress area
square inches		 SAE Grade 2
(proof strength:
<=3/4″: 55 ksi
>3/4″: 33 ksi)		 SAE Grade 5
(proof strength:
85 ksi)		 SAE Grade 8
(proof strength:
120 ksi)		 alloy socket
head (ASTM A574)
<=1/2″: 153 ksi
>1/2″: 144.5 ksi
#0-80 .0600 .00180 59.4 91.8 129.6 165.24
#2-56 .086 .00370 122.1 188.7 266.4 339.66
#2-64 .086 .00394 130.02 200.94 283.68 361.692
#4-40 .112 .00604 199.32 308.04 434.88 554.472
#4-48 .112 .00661 218.13 337.11 475.92 606.798
#6-32 .138 .00909 299.97 463.59 654.48 834.462
#6-40 .138 .01015 334.95 517.65 730.8 931.77
#8-32 .164 .0140 462 714 1008 1285.2
#8-36 .164 .01474 486.42 751.74 1061.28 1353.132
#10-24 .190 .0175 577.5 892.5 1260 1606.5
#10-32 .190 .0200 660 1020 1440 1836
1/4-20 .250 .0318 1049.4 1621.8 2289.6 2919.24
1/4-28 .250 .0364 1201.2 1856.4 2620.8 3341.52
5/16-18 .3125 .0524 1729.2 2672.4 3772.8 4810.32
5/16-24 .3125 .0580 1914 2958 4176 5324.4
3/8-16 .375 .0775 2557.5 3952.5 5580 7114.5
3/8-24 .375 .0878 2897.4 4477.8 6321.6 8060.04
7/16-14 .4375 .1063 3507.9 5421.3 7653.6 9758.34
7/16-20 .4375 .1187 3917.1 6053.7 8546.4 10896.66
1/2-13 .5 .1419 4682.7 7236.9 10216.8 13026.42
1/2-20 .5 .1599 5276.7 8154.9 11512.8 14678.82
9/16-12 .5625 .182 6006 9282 13104 15779.4
9/16-18 .5625 .203 6699 10353 14616 17600.1
5/8-11 .625 .226 7458 11526 16272 19594.2
5/8-18 .625 .256 8448 13056 18432 22195.2
3/4-10 .75 .334 6613.2 17034 24048 28957.8
3/4-16 .75 .373 7385.4 19023 26856 32339.1
7/8-9 .875 .462 9147.6 23562 33264 40055.4
7/8-14 .875 .509 10078.2 25959 36648 44130.3
1-8 1.0 .606 11998.8 30906 43632 52540.2
1-12 1.0 .663 13127.4 33813 47736 57482.1

Grade 8 Hex Bolts Price List

Products FOB Price US $
Galvanized Finish Meets IFI 111/SAE J429 Hex Head Flange bolt with Grade 5 US $0.01-$0.10/ Piece
Galvanized grade 8 carriage bolts US $7.50/ Piece
ASME b18.2.1 SAE J429 grade 5 / 8 hex head cap screw bolt US $10.00-$15.00/ Kilogram
JS Socket head Alloy Steel Grade 8 shoulder bolt US $0.05-$0.09/ Piece
carbon steel grade 8.8 hex bolt with full threaded 1/4" x 1/2" hex head bolt US $0.03-$0.08/ Piece
Grade 8 hex cap bolts and nuts washers assortment US $0.03-$0.08/ Piece
ASME b18.2.1 SAE J429 grade 8 hex head bolt US $0.65-$0.68/ Piece
high strength SAE j429 grade 8 hex bolt US $0.10-$1.00/ Piece
SAE J429 ASME (ANSI) B18.2.1 Grades 2, 5, 8 Hex Bolt US $0.12-$0.20/ Piece
Fine Threaded SAE J429 Grade 8 Hex Cap Screw US $1.40-$2.00/ Kilogram
black oxide SAE J429 Grade 8 grade 5 Hex tap cap bolt ANSI ASME B18.2.1 US $0.01/ Piece
Zinc Plated ASME B18.9 SAE J429 Grade 5 8 Round Head Plow Bolts US $1.80/ Kilogram

Call us or send us an email to marketing@rolexmetals.com for more details. Always compare our price with other Grade 8 Hex Bolts manufacturers in India or China

Relevant Fasteners Grades

Grade/ Class Strength / Stress
Grade A Nuts Strength exceeds Grade 2.
ASTM A325 These Bolts meet A325 Type 1 standards for structural bolting.
Grade B Nuts Strength is equal to Grade 5.
Grade B7 Threaded
Stud & Rod		 Similar to Grade 5. Use with Grade 2H and Grade C nuts.
Grade C Nuts Strength exceeds Grade 5. Use with heat-treated medium-strength steel fasteners like A325 Structural Bolts.
Grade G Nuts Strength is equal to Grade 8. Use with A325 Structural Bolts.
Grade 2 It has low strength
Grade 2H Nuts Strength is equal to Grade 5. Use with A325 Structural Bolts.
Grade 5 Medium strength.
Grade 8 High strength.
Metric Class 4 Equal to Grade 2.
Metric Class 8.8 Equal to Grade 5.
Metric Class 10.9 Equal to Grade 8.
Metric Class 12.9 The highest metric class for strength, it exceeds Grade 8.

 

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