Nominal Size Screw Dimension (mm) 304
Inventory
B (inch) A (mm) d2 D L
1/8B 6A Rc1/8 15 23
1/4B 8A Rc1/4 19 29
3/8B 10A Rc3/8 22 30
1/2B 15A Rc1/2 27 36.5
3/4B 20A Rc3/4 33 38.5
1B 25A Rc1 40 43.5
11/4B 32A Rc11/4 49 49.5
11/2B 40A Rc11/2 55.5 52.5
2B 50A Rc2 68 62.5
21/2B 65A Rc21/2 83 73
3B 80A Rc3 97 81
4B 100A Rc4 125 93