ASTM A307 Bolts

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ASTM A307 bolts

A307 grade B Studs manufacturer in India

Table of Content

Fasteners Types

ASTM A307 bolts Specification

Bolt Size

ASTM A307 Bolt Sizes

M2 to M24

Length

A307 Fasteners Length

3 mm to 200 mm

ISO Standard

ISO Standard

ISO 898‑1

Shear Modulus

A307 heavy hex bolt Shear Modulus

80 GPa

Melting Point

SA307 Hex Bolt Melting Point

1425–1540 °C

Specific Heat

A307 anchor bolts Specific Heat

480 J/kg·K

Threads

ASTM A307 eye bolts Threads

UNF / BSW / BSF / METRIC / UNC

Standards

SA307 square nut Standards

DIN 931, 933, 934, 7991, 976, 125 / ASME B18.2.1, B18.3

Custom Sizes

Custom Sizes

Reliable ASTM A307 Bolt Manufacturer in India in custom sizes.

Studs Type

ASME SA307 Studs Type

Tap-End / Fully or Fine threaded / Double-End

Origin

Origin

Indian / Russian / Korean / European

Condition

A307 square bolts Condition

Threading / Cold Drawn

Manufacturing Technique

Manufacturing Technique

CNC Machined / Hot forging / Cold forging

Thread Pitch

ASTM A307 stud bolt Thread Pitch

Coarse Threads / Fine Threads

Surface finish

ASTM A307 hex nuts Finish

Phosphating / Passivation / HDG

Drive Style

ASME SA307 Bolt Drive Style

  • Cross
  • Truss
  • Torx
  • Round
  • Hex
  • Oval
  • Pan

Head Types

A307 hex head bolts Head Types

  • Phillips Drive
  • Button head
  • Slotted Drive
  • Socket cap head
  • Flat
  • Hex washer head
  • Slotted hex washer

Bolt Size

SA307 Heavy Hex Bolt Thread Class

  • 3G
  • 4G
  • 2G
  • 5 ONF
  • Class 2A (Medium fit)
  • Class 3A (Tight fit)
  • Class 1A (Loose fit)

Packaging

Packaging

  • Wooden Pallet
  • Carton Box
  • Wooden Cases
  • Blister Packs

Certificate

Certificate

  • Raw Materials Certificate
  • EN 10204/3.1B
  • 100% Radiography Test
  • UT and PMI Test

Value Added Services

Value Added Services

  • Head Shank Drilling
  • Head Painting
  • Color Coding
  • Laser Etching

ASTM A307 standard covers CS bolts and studs, Buy A307 grade A Hex Bolt at factory price

ASME SA307 bolt price

Product Price in USD Price in Dirham Price in Euro
M10 X60 MM ASTM A307 Hex Bolt US $2.15 7.90 AED € 1.83
M12 X 75 MM ASME SA307 Heavy Hex Bolt, UNF US $3.00 11.02 AED € 2.55
A307 MACHINE HEX BOLT M12 X 50, UNC US $3.87 14.21 AED € 3.29

Refer sizes and dimensions of SA 307 gr b carriage bolt, We keep ready stock of ASTM A307M Fasteners in diameter range of 1/4" to 4"

Different types of A307 bolts and nuts

A307 heavy hex bolt

A307 heavy hex bolt

ASTM A307 hex nuts

ASTM A307 hex nuts

ASME SA307 hex bolts

ASME SA307 hex bolts

SA307 square bolts

SA307 square bolts

ASTM A307 stud bolt

ASTM A307 stud bolt

SA307 square nut

SA307 square nut

ASME SA307 threaded rod

ASME SA307 threaded rod

A307 anchor bolts

A307 anchor bolts

Refer latest price list of A307 grade C nuts, We export ASTM A307 galvanized bolts in UAE, Malaysia and Oman

SA307 anchor bolts Grades

  • Grade A
  • Grade B
  • Grade C

ASTM A307 carriage bolt Chemical composition

Element Grade A Grade B
Manganese, max 1.20% 1.20%
Carbon, max 0.29% 0.29%
Sulfur, max 0.15% 0.05%
Phosphorus, max 0.04% 0.04%

A307 galvanized bolts mechnical properties

Bolt Grade Diameter, Inch Hardness, BHN Elongation, % Tensile Strength, ksi
A 1/4 to 4, Inclusive 121 - 241 18 60
B 1/4 to 4, Inclusive 121 - 212 18 60 - 100
ASTM A307 anchor bolts and SA307 lag screw comes in different grades such as grade a, b and c

ASTM A307 bolt dimensions

Nominal Size Body Diameter Width Across Corners Width Across Flats Head Height Thread Length
Min Max Min Max Basic Min Max Basic Min Max Lengths up to 6 Lengths > 6
1/4 0.2405 0.25 0.488 0.505 7/16 0.428 0.438 5/32 0.15 0.163 0.75 1
5/16 0.3065 0.3125 0.557 0.577 1/2 0.489 0.5 13/64 0.195 0.211 0.875 1.125
3/8 0.369 0.375 0.628 0.65 9/16 0.551 0.562 15/64 0.226 0.243 1 1.25
7/16 0.4305 0.4375 0.698 0.722 5/8 0.612 0.625 9/32 0.272 0.291 1.125 1.375
1/2 0.493 0.5 0.84 0.866 3/4 0.736 0.75 5/16 0.302 0.323 1.25 1.5
9/16 0.5545 0.5625 0.91 0.938 13/16 0.798 0.812 23/64 0.348 0.371 1.375 1.625
5/8 0.617 0.625 1.051 1.083 15/16 0.922 0.938 25/64 0.378 0.403 1.5 1.75
3/4 0.741 0.75 1.254 1.299 1-1/8 1.1 1.125 15/32 0.455 0.483 1.75 2
7/8 0.866 0.875 1.465 1.516 1-5/16 1.285 1.312 35/64 0.531 0.563 2 2.25
1 0.99 1 1.675 1.732 1-1/2 1.469 1.5 39/64 0.591 0.627 2.25 2.5
1-1/8 1.114 1.125 1.859 1.949 1-11/16 1.631 1.688 11/16 0.658 0.718 2.5 2.75
1-1/4 1.239 1.25 2.066 2.165 1-7/8 1.812 1.875 25/32 0.749 0.813 2.75 3
1-3/8 1.363 1.375 2.273 2.382 2-1/16 1.994 2.062 27/32 0.81 0.878 3 3.25
1-1/2 1.488 1.5 2.48 2.598 2-1/4 2.175 2.25 15/16 0.902 0.974 3.25 3.5

ASTM A307 shear strength

Grade Minimum Tensile Strength Estimated Shear Strength
A 60 ksi (414 MPa) ~36 ksi (248 MPa)
B 60–100 ksi (414–690 MPa) ~36–60 ksi (248–414 MPa)

ASTM A307 bolt torque table

Bolt Size TPI Clamp Proof Tightening Torque (ft lbs)
Clamp Load (lbs) Proof Load (lbs) Plain Galv Galv+Waxed
1⁄4 20 859 1145 4 4 2
5⁄16 18 1415 1886 7 9 4
3⁄8 16 2093 2790 13 16 7
7⁄16 14 2870 3827 21 26 10
1⁄2 13 3831 5108 32 40 16
9⁄16 12 4914 6552 46 58 23
5⁄8 11 6102 8136 64 79 32
3⁄4 10 9018 12024 113 141 56
7⁄8 9 11400 15200 166 208 83
1 8 15000 20000 250 313 125
11⁄8 7 18900 25200 354 443 177
11⁄4 7 24000 32000 500 625 250
13⁄8 6 28575 38100 655 819 327
11⁄2 6 34800 46400 870 1088 435
13⁄4 5 51300 68400 1496 1870 748
2 41⁄2 67500 90000 2250 2813 1125
21⁄4 41⁄2 87750 117000 3291 4113 1645
21⁄2 4 108000 144000 4500 5625 2250
23⁄4 4 133110 177480 6101 7626 3050
3 4 161190 214920 8060 10074 4030
31⁄4 4 191700 255600 10384 12980 5192
31⁄2 4 224910 299880 13120 16400 6560
33⁄4 4 260820 347760 16301 20377 8151
4 4 299160 398880 19944 24930 9972

ASTM A307 vs A193

Property ASTM A307 ASTM A193
Tensile Strength 60–100 ksi 75–150+ ksi
Shear Strength 36–60 ksi 45–90+ ksi
Temperature Range Suitable for Ambient temperatures Suitable for high-temperature & pressure
Corrosion Resistance Low High

ASTM A307 vs A325

Property ASTM A307 ASTM A325
Material Carbon Steel Carbon Steel or Alloy Steel
Tensile Strength 414 MPa 827 MPa
Marking A307 A325
Head Design Flat, square shoulder Heavy duty hex head
Applications General purpose Heavy duty structural applications

ASTM A307 grade a carriage bolt Marking

  • Manufacturer's Mark
  • Grade Marking
  • Bolt Head Design
  • Size

Recommended Hardware for ASME SA307

Bolt Specification Bolting Diameter, Inch Washer Specification Nut Specification
A307 Grade A 1/4 to 4, Inclusive ASTM F844 ASTM A563 Grade A
A307 Grade B

Industrial Products

Types

Why Choose Us

  • If you are looking for Supplier and Exporter of Industrial Fasteners in Indonesia, Kenya, Saudi Arabia, Malaysia and Colombia contact us.
  • We keep ready stock of construction fasteners in size range of M6 to M36
  • Leading Stockist of automative fasteners in different types and threads
  • We supply coated fasteners with EN 10204 type 3.1 certificate
  • Get special 10% discount on large orders of marine fasteners
  • We have strongest supply network for mechanical fasteners which we manufacture in various standards such as ANSI, ISO, DIN, ASTM, SAE, JIS
  • Contact us to get a catalogue, client list and certificates
  • We are a manufacturer of hex bolts and nuts with an annual production capacity of 200,000 tonnes in different grades such as Hastelloy, Monel, Inconel, Titanium and Stainless Steel.
  • Special Price for steel fasteners Wholesalers, Importer, Stockholder and Stockist in Oman, Qatar and Eygpt
  • We manufacture black fasteners according to ISO 9001:2015 and PED standards
  • Our Steel Fasteners are widely used in Marine Industry, High pressure application and Construction industry

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