Reliable ASTM A307b Hex Bolt Suppliers in Mumbai have a wide selection of ASTM A307 Bolts in a variety of sizes.
The ASTM A307 Grade B can be defined as a material specification in the carbon steel bolting. The ASTM A307 Grade B Bolt is intended for use in flanged joints in different types of piping systems. The Anchor Bolt ASTM A307 Grade B material has min tensile strength ranging between 60 to 100 ksi. The ASTM A307 Bolts possess medium strength and they are basically intended for general purpose applications.
The ASTM A307 Hex Bolts are available in different grades and each of them comes with varied mechanical properties. If you are trying to find the difference between ASTM A307 Grade B Vs B7, then it can be said that grade B is for low pressure systems whereas grade B7 is for general industrial usage that involves high temperature/pressure. The A307 Grade B Nuts covers for cast iron flanges contrary to Grade A, which covers for general applications. The A307 Grade B Threaded Rod is an economical low carbon material, whose dimensions can be customized by the manufacturer.
Clients can get ASTM A307 Grade B Zinc Plated which comes with added protection from corrosion and they can be used in several corrosive environments. The ASTM A307 Grade B Stud Bolts are basically heavy duty bolts that are used for various applications across several industries. The Heavy Hex Bolts A307 Grade B are intended for usage in different types of industrial applications that include steel fabrication and general construction. The heavy Hex Bolts A307b have a thicker head compared to the regular hex bolts, and they come with a greater bearing surface.
The A307 Grade B Hot Dipped Galvanized Bolt has added protection from corrosion. The coating is free of any maintenance and can easily last for at least 50-70 years. The A307 Grade B Carbon Steel Bolting is a popular material used for manufacturing fasteners as they have a good tensile strength and they are able to bear loads quite well. The A307 Fastener is commonly used in various covered bridge restorations.
| Description | Price |
| A307 Grade B Galvanized Timber Bolt | US $ 5 / Piece |
| Carbon Steel A307 Grade B Stud Bolt | US $ 0.01-1 / Piece |
| Galvanized A307 Grade B Carriage Bolt (ANSI 18.5) | US $ 0.2 / Piece |
| Carbon Steel A307 Grade 8.8 12.9 Guard Rail Bolts | US $ 0.01-0.1 / Piece |
| M20 A307 Grade B Bolt | US $ 0.01-1 / Piece |
| A307 Hex Bolt | US $ 10-13 / Set |
| A307 Grade B Heavy Hex Bolt | US $ 0.01-0.2 / Piece |
| Black Stud Bolts A307 Grade B | US $ 1-1.2 / kg |
| A307 Grade B Hex Bolt | US $ 0.1 / Piece |
| Specifications | ASME SA307 / ASTM A307 |
| Standard | ASTM, DIN, BS and other Standards |
| Length | 3 mm - 200 mm |
| Machine Screws Size | M1.6 to M12 |
| Bolts Size | M3 to M56 and 3/6" - 2" or Customized |
| Nuts Size | M3 to M56 and 3/6" - 2" or Customized |
| Washers Size | M3 to M56 and 3/6" - 2" or Customized |
| Types | Hex Bolts, nut, studs, threaded rod, screws, heavy hex bolts |
| Proof load (Lbs) | Bolt Sizes | Threads Per Inch< | Clamp load (Lbs) | torqueTightening (Ft Lbs) | ||
|---|---|---|---|---|---|---|
| Galv | Galv+Waxed | Plain | ||||
| 3,350 | 1/4 | 20 | 2,513 | 13 | 5 | 10 |
| 5,500 | 5/16 | 18 | 4,125 | 27 | 11 | 21 |
| 8,150 | 3/8 | 16 | 6,113 | 48 | 19 | 38 |
| 11,150 | 7/16 | 14 | 8,363 | 76 | 30 | 61 |
| 14,900 | 1/2 | 13 | 11,175 | 116 | 47 | 93 |
| 19,100 | 9/16 | 12 | 14,325 | 168 | 67 | 134 |
| 23,750 | 5/8 | 11 | 17,813 | 232 | 93 | 186 |
| 35,050 | 3/4 | 10 | 26,288 | 411 | 164 | 329 |
| 48,500 | 7/8 | 9 | 36,375 | 663 | 265 | 530 |
| 63,650 | 1 | 8 | 47,738 | 995 | 398 | 796 |
| 80,100 | 11/8 | 7 | 60,075 | 1,408 | 563 | 1,126 |
| 82,934 | 11/8 | 8 | 62,201 | 1,458 | 583 | 1,166 |
| 101,750 | 11/4 | 7 | 76,313 | 1,987 | 795 | 1,590 |
| 105,006 | 11/4 | 8 | 78,754 | 2,051 | 820 | 1,641 |
| 121,300 | 13/8 | 6 | 90,975 | 2,606 | 1,042 | 2,085 |
| 129,492 | 13/8 | 8 | 97,119 | 2,782 | 1,113 | 2,226 |
| 147,550 | 11/2 | 6 | 110,663 | 3,458 | 1,383 | 2,767 |
| 156,687 | 11/2 | 8 | 117,515 | 3,672 | 1,469 | 2,938 |
| 199,500 | 13/4 | 5 | 149,625 | 5,455 | 2,182 | 4,364 |
| 218,400 | 13/4 | 8 | 163,800 | - | - | 4,778 |
| 262,500 | 2 | 41/2 | 196,875 | 8,203 | 3,281 | 6,563 |
| 290,850 | 2 | 8 | 218,138 | - | - | 7,271 |
| 341,250 | 21/4 | 41/2 | 255,938 | 11,997 | 4,799 | 9,598 |
| 373,801 | 21/4 | 8 | 280,351 | - | - | 10,513 |
| 420,000 | 21/2 | 4 | 315,000 | 16,406 | 6,563 | 13,125 |
| 466,200 | 21/2 | 8 | 349,650 | - | - | 14,569 |
| 468,500 | 23/4 | 4 | 351,263 | 20,124 | 8,050 | 16,100 |
| 515,851 | 23/4 | 8 | 386,888 | - | - | 17,732 |
| 567,150 | 3 | 4 | 425,363 | 26,585 | 10,634 | 21,268 |
| 618,451 | 3 | 8 | 463,838 | - | - | 23,192 |
| 674,500 | 31/4 | 4 | 505,875 | 34,252 | 13,701 | 27,402 |
| 730,550 | 31/4 | 8 | 547,913 | - | - | 29,679 |
| 791,350 | 31/2 | 4 | 593,513 | 43,277 | 17,311 | 34,622 |
| 851,201 | 31/2 | 8 | 638,401 | - | - | 37,240 |
| 917700 | 33/4 | 4 | 688275 | 53,771 | 21,509 | 43,017 |
| 982,300 | 33/4 | 8 | 736,725 | - | - | 46,045 |
| 1052600 | 4 | 4 | 789450 | 65,788 | 26,315 | 52,630 |
| 1,121,950 | 4 | 8 | 841,463 | - | - | 56,098 |

Looking for a certain size of A307 Anchor Bolts? as stockist we kept Heavy Hex Bolts A307 Grade B in stock with Price List

Astm A307 Grade B Bolt

ASME SA 307 Studs

Astm A307 Hex Bolts

Heavy Hex Bolts A307 Grade B

Hex Bolts A307b

Astm A307 Grade B Threaded Rod

A307 Fastener
find it difficult to locate Astm A307 Grade B Nuts in unusual sizes? we have zinc-plated Astm A307 Grade B fastener in stock; for further information, see Astm A307 Grade B Vs. B7
- A307 Grade A
- A307 Grade B
- A307 Grade C
| A307 Gr B | Washer |
|---|---|
| 1/4"- 4" | |
| Heavy Hex A563A | F844 |
| NOMINAL SIZE (D) | ACRO THE FLATS | HEAD THICKNESS | BODY DIA. | ACRO CORNERS | ||||
|---|---|---|---|---|---|---|---|---|
| F (MAX) | F (MIN) | H (MAX) | H (MIN) | D (MAX) | D (MIN) | C (MAX) | C (MIN) | |
| m20 | 30.00 | 29.16 | 12.88 | 12.12 | 20.00 | 19.67 | 34.64 | 32.95 |
| m12 | 19.00 | 17.73 | 7.76 | 4.24 | 12.00 | 11.73 | 20.78 | 20.03 |
| m14 | 22.00 | 20.67 | 9.09 | 8.51 | 14.00 | 13.73 | 24.25 | 23.35 |
| m10 | 17.00 | 15.73 | 6.63 | 6.17 | 10.00 | 9.78 | 18.48 | 17.77 |
| m16 | 24.00 | 23.67 | 10.32 | 9.68 | 16.00 | 15.73 | 27.71 | 26.75 |
| m30 | 46.00 | 45.00 | 19.48 | 17.92 | 30.00 | 29.67 | 53.12 | 50.85 |
| m24 | 36.00 | 35.00 | 15.44 | 14.56 | 24.00 | 23.67 | 41.57 | 39.55 |
| m100 | 145.00 | 140.00 | 63.9 | 60.10 | 90.00 | 99.13 | 167.43 | 159.60 |
| m36 | 55.00 | 53.80 | 23.38 | 21.63 | 36.00 | 35.61 | 63.51 | 60.79 |
| m48 | 75.00 | 72.60 | 31.07 | 28.93 | 48.00 | 47.38 | 86.60 | 82.76 |
| m56 | 85.00 | 82.20 | 36.2 | 33.80 | 56.00 | 55.26 | 98.15 | 93.71 |
| m42 | 65.00 | 62.90 | 26.97 | 25.03 | 42.00 | 41.38 | 75.06 | 71.71 |
| m64 | 95.00 | 91.80 | 41.32 | 38.68 | 64.00 | 63.26 | 109.70 | 104.65 |
| m80 | 115.00 | 111.00 | 51.58 | 48.42 | 80.00 | 79.26 | 132.72 | 126.54 |
| m72 | 105.00 | 101.40 | 46.45 | 43.55 | 72.00 | 71.26 | 121.24 | 115.60 |
| m90 | 130.00 | 125.50 | 57.74 | 54.26 | 90.00 | 89.13 | 150.11 | 143.07 |
As a stockist keep Astm A307 Grade B Threaded Rod and Studs stock that are shipped globally, checked Dimensions
| Heavy Hex Bolt Diameter | F | H | D | C | |||||
| Width Across Flats | Height | Body Diameter | Width Across Corners | ||||||
| Max | Basic | Min | Max | Basic | Min | Max | Min | Max | |
| 5/8 | 1.062 | 1-1/16 | 1.031 | 0.444 | 27/64 | 0.378 | 0.642 | 1.175 | 1.227 |
| 3/4 | 1.250 | 1-1/4 | 1.212 | 0.524 | 1/2 | 0.455 | 0.768 | 1.383 | 1.443 |
| 1/2 | 0.875 | 7/8 | 0.850 | 0.364 | 11/32 | 0.302 | 0.515 | 0.969 | 1.010 |
| 7/8 | 1.438 | 1-7/16 | 1.394 | 0.604 | 37/64 | 0.531 | 0.895 | 1.589 | 1.660 |
| 1-1/8 | 1.812 | 1-13/16 | 1.756 | 0.780 | 3/4 | 0.658 | 1.149 | 2.002 | 2.093 |
| 1 | 1.625 | 1-5/8 | 1.575 | 0.700 | 43/64 | 0.591 | 1.022 | 1.796 | 1.876 |
| 1-1/4 | 2.00 | 2 | 1.938 | 0.876 | 27/32 | 0.749 | 1.277 | 2.209 | 2.309 |
| 1-1/2 | 2.375 | 2-3/8 | 2.300 | 1.036 | 1 | 0.902 | 1.531 | 2.622 | 2.742 |
| 1-3/8 | 2.188 | 2-3/16 | 2.119 | 0.940 | 29/32 | 0.810 | 1.404 | 2.416 | 2.526 |
| 1-3/4 | 2.750 | 2-3/4 | 2.662 | 1.196 | 1-5/32 | 1.054 | 1.785 | 3.035 | 3.175 |
| 2-1/4 | 3.500 | 3-1/2 | 3.388 | 1.548 | 1-1/2 | 1.327 | 2.305 | 3.862 | 4.041 |
| 2 | 3.125 | 3-1/8 | 3.025 | 1.388 | 1-11/32 | 1.175 | 2.039 | 3.449 | 3.608 |
| 2-1/2 | 3.875 | 3-7/8 | 3.750 | 1.708 | 1-21/32 | 1.479 | 2.559 | 4.275 | 4.474 |
| Washer Specification | Bolt Specification | Nut Specification | Bolting Diameter. Inch |
|---|---|---|---|
| F844 | A307 Grade B | A563 Grade A | 1/4 to 4, inclusive |

| Stud bolt sizes | Studs length | ||||||
| Nominal pipe size | No. of Bolts | Bolt Circle dia. | OD of Flange | Bolt Holes dia. | Bolts dia. | Ring Joint | 0.06 in Raised Face |
| 3/4 | 4 | 2 3/4 | 3 7/8 | 5/8 | 1/2 | – | 2 1/2 |
| 1 1/4 | 4 | 3 1/2 | 4 5/8 | 5/8 | 1/2 | 3 1/4 | 2 3/4 |
| 1/2 | 4 | 2 3/8 | 3 1/2 | 5/8 | 1/2 | – | 2 1/4 |
| 1 1/2 | 4 | 3 7/8 | 5 | 5/8 | 1/2 | 3 1/4 | 2 3/4 |
| 2 | 4 | 4 3/4 | 6 | 3/4 | 5/8 | 3 3/4 | 3 1/4 |
| 1 | 4 | 3 1/8 | 4 1/4 | 5/8 | 1/2 | 3 | 2 1/2 |
| 2 1/2 | 4 | 5 1/2 | 7 | 3/4 | 5/8 | 4 | 3 1/2 |
| 3 1/2 | 8 | 7 | 8 1/2 | 3/4 | 5/8 | 4 | 3 1/2 |
| 4 | 8 | 7 1/2 | 9 | 3/4 | 5/8 | 4 | 3 1/2 |
| 3 | 4 | 6 | 7 1/2 | 3/4 | 5/8 | 4 | 3 1/2 |
| 5 | 8 | 8 1/2 | 10 | 7/8 | 3/4 | 4 1/4 | 3 3/4 |
| 8 | 8 | 11 3/4 | 13 1/2 | 7/8 | 3/4 | 4 3/4 | 4 1/4 |
| 6 | 8 | 9 1/2 | 11 | 7/8 | 3/4 | 4 1/2 | 4 |
| 10 | 12 | 14 3/4 | 16 | 1 | 7/8 | 5 | 4 1/2 |
| 14 | 12 | 18 3/4 | 21 | 1 1/8 | 1 | 5 3/4 | 5 1/4 |
| 12 | 12 | 17 | 19 | 1 | 7/8 | 5 1/4 | 4 3/4 |
| 16 | 16 | 21 1/4 | 23 1/2 | 1 1/8 | 1 | 5 3/4 | 5 1/4 |
| 20 | 20 | 25 | 27 1/2 | 1 1/4 | 1 1/8 | 6 3/4 | 6 1/4 |
| 18 | 16 | 22 3/4 | 25 | 1 1/4 | 1 1/8 | 6 1/4 | 5 3/4 |
| 24 | 20 | 29 1/2 | 32 | 1 1/4 | 1 1/4 | 7 1/4 | 6 3/4 |
You can contact us for a pricing list if you require Astm A307 Grade B Hot Dipped Galvanized Bolt in almost any size with great standards and quality.
| Grade B | Grade B bolts have "307B" stamped or marked on them, and a manufacturer's initials or emblem are optional. |
|---|

Carbon Steel A307 Gr B Hex Bolt
CSV Construction, South Africa

5/8X2 A307 Grade B Splice Bolt and Nut
Omega Refineries, Russia

A307 Grade B Heavy Hex Bolt
DATEM, Inc, Philippines

| Threaded Rod Weight per metre | Threaded Rod Thread | Threaded Rod Strength | |||
|---|---|---|---|---|---|
| Threaded Rod Class 70 | Threaded Rod Class 80 | ||||
| UTS | 0.2% proof | UTS | 0.2% proof | ||
| Kg/m | kN | kN | kN | kN | |
| 3.83 | M27 | 321.3 | 206.6 | 367.2 | 275.4 |
| 1.31 | M16 | 109.9 | 70.7 | 125.6 | 94.2 |
| 2.05 | M20 | 171.5 | 110.3 | 196.0 | 147.0 |
| 0.72 | M12 | 64.0 | 41.0 | 73.0 | 54.0 |
| 2.96 | M24 | 247.1 | 158.9 | 282.4 | 211.8 |
| 14.65 | M52 | 1230.6 | 791.1 | 1406.4 | 1054.8 |
| 6.84 | M36 | 571.9 | 367.7 | 653.6 | 490.2 |
| 4.70 | M30 | 392.7 | 252.6 | 448.8 | 336.6 |
| 8.14 | M39 | 683.2 | 439.2 | 780.8 | 585.6 |
| 5.78 | M33 | 485.8 | 312.3 | 555.2 | 416.4 |
| 9.38 | M42 | 784.7 | 504.5 | 896.6 | 672.6 |
| 10.90 | M45 | 914.2 | 587.7 | 1044.8 | 783.6 |
| 12.32 | M48 | 1031.1 | 662.9 | 1178.4 | 883.8 |
| Element | Grade B | Grade A |
|---|---|---|
| Sulfur, max | 0.05% | 0.15% |
| Manganese, max | 1.20% | 1.20% |
| Carbon, max | 0.29% | 0.29% |
| Phosphorus, max | 0.04% | 0.04% |
| Grade | Yield, min, ksi | Tensile, ksi | Elong %, min |
|---|---|---|---|
| B | -- | 60 - 100 | 18 |
| A | -- | 60 min | 18 |
| C* | 36 | 58 - 80 | 23 |