B7 STUD BOLTS & NUTS
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Size and Dimension
| Stud-bolt | Nominal size or Diameter of stud-bolt D | 3/8"(M10) up to 2 1/2"(M65)incl. | ||
|---|---|---|---|---|
| Length L |
In increments of 1/4"(6mm) | To suit customer requirement up to and including 6 1/2"(2M) | ||
| Tolerance | L Equal to 12" (300mm) and under | ±1/16"(2mm) | ||
| L Over 12"(300mm) to 18"(458mm) incl. | ±1/8"(3mm) | |||
| L Over 18"(458mn) | ±1/4"(6mm) | |||
Thread
| Nominal Size or Diamerter of stud .D | 1/2"(M12)up to 1"(M27), incl | Over 1" (M27) | |
|---|---|---|---|
| Thread | Inch Series | Unified Coarse Thead Series, Glass 2A and 2B Ansi B1.1 1960 | unified 8-thread (3-pitch), Series, Class 2A and 2B ANSI. B1.1 1960 |
| ISO Series | Shall conform to R68 | Shall conform to R68 | |
Heavy Hex Nut Dimension
| Size | T.P.I | F(A/F) | G(A/C) | H(Thickness) | WEIGHT | |||
|---|---|---|---|---|---|---|---|---|
| inch | mm | inch | mm | inch | mm | g | ||
| 1/2 | 13UNC | 7/8 | 22.2 | 1 | 25.4 | 1/2 | 12.3 | 30 |
| 5/8 | 11UNC | 1-1/16 | 27 | 1-1/4 | 31.2 | 5/8 | 15.5 | 54 |
| 3/4 | 9UNC | 1-1/4 | 31.7 | 1-3/8 | 35.7 | 3/4 | 18.7 | 88 |
| 7/8 | 8UNC | 1-7/16 | 36.5 | 1-5/8 | 41.6 | 7/8 | 21.8 | 135 |
| 1 | 8UNC | 1-5/8 | 41.3 | 1-7/8 | 47.2 | 1 | 25 | 193 |
| 1-1/8 | 8UNC | 1-13/16 | 46 | 2-1/16 | 52 | 1-1/8 | 28.2 | 269 |
| 1-1/4 | 8UNC | 2 | 50.8 | 2-1/4 | 57.8 | 1-1/4 | 31 | 357 |
| 1-3/8 | 8UNC | 2-3/16 | 55.5 | 2-1/2 | 63.5 | 1-3/8 | 34.1 | 463 |
| 1-1/2 | 8UNC | 2-3/8 | 60.3 | 2-3/4 | 69.3 | 1-1/2 | 37.3 | 595 |
| 1-5/8 | 8UNC | 2-9/16 | 65.1 | 2-15/16 | 75 | 1-5/8 | 40.5 | 736 |
| M12 | 1.75P | - | 19 | - | 21.9 | - | 12 | 22 |
| M16 | 2.0P | - | 24 | - | 27.7 | - | 16 | 42 |
| M20 | 2.5P | - | 30 | - | 34.6 | - | 20 | 81 |
| M22 | 2.5P | - | 32 | - | 36.9 | - | 22 | 99 |
| M24 | 3.0P | - | 36 | - | 41.6 | - | 24 | 138 |
| M27 | 3.0P | - | 41 | - | 47.2 | - | 27 | 207 |
| M30 | 3.0P | - | 46 | - | 52.1 | - | 30 | 279 |
| M33 | 3.0P | - | 50 | - | 57.8 | - | 33 | 360 |
| M36 | 3.0P | - | 55 | - | 63.3 | - | 36 | 492 |
| M39 | 3.0P | - | 60 | - | 69.3 | - | 39 | 628 |
| M42 | 3.0P | - | 65 | - | 75 | - | 42 | 815 |
| M45 | 3.0P | - | 70 | - | 80.9 | - | 45 | 1000 |