Nominal Size Screw Dimension (mm) 304
Inventory
B (inch) A (mm) d2 d3 L E1 E2 d d1 Hezagon S Octagon S
1/4 x 1/8B 8 x 6A R 1/4 Rc 1/8 32 12 10 7 5 14
3/8 X 1/8B 10 x 6A R 3/8 Rc 1/8 34 13 10 8.5 5 17
3/8 X 1/4B 10 X 8A R 3/8 Rc 1/4 35 13 12 8.5 7 17
1/2 X 1/4B 15 x 8A R 1/2 Rc 1/4 38 16 12 12 7 22
1/2 X 3/8B 15 x 10A R 1/2 Rc 3/4 39 16 13 12 8.5 22
3/4 X 3/8B 20 x 10A R 3/4 Rc 3/8 42 18 13 16 8.5 27
3/4 X 1/2B 20 X 15A R 3/4 Rc 1/2 45 18 16 16 12 27
1 X 1/2B 25 x 15A R1 Rc 1/2 48 20 16 20 12 34
1 X 3/4B 25 x 20A R1 Rc 3/4 50 20 18 20 16 34
11/4 X 3/4B 32 x 20A R 11/4 Rc 3/4 52 22 18 31 16 46
11/4 X 1B 32 x 25A R 11/4 Rc 1 54 22 20 31 20 46
11/2 X 1B 40 x 25A R 11/2 Rc 1 57 23 20 34 20 50
11/2 X 11/4B 40 x 32A R 11/2 Rc 11/4 59 23 22 34 31 50
2 X 1B 50 x 25A R 2 Rc 1 61 25.50 20 45 20 63
2 11/4B 50 x 32A R 2 Rc 11/4 63 25.50 22 45 31 63
2 X 11/2B 50 x 40A R 2 Rc 11/2 64 25.50 23 45 34 63