Nominal Size Screw Dimension (mm) 304
Inventory
316
Inventory
B (inch) A (mm) d1 L E d Hezagon S Octagon S Decadent S
1/8B 6A R 1/8 28 10 5 12
1/4B 8A R 1/4 34 12 7 14
3/8B 10A R 3/8 36 13 8.50 17
1/2B 15A R 1/2 42 16 14.50 22
3/4B 20A R 3/4 47 18 19.50 27.5
1B 25A R 1 52 20 25 34.5
11/4B 32A R 11/4 56 22 33.50 43.5
11/2B 40A R 11/2 60 23 39 49.5
2B 50A R 2 67 25.50 50 61.5
21/2B 65A R 21/2 73 28 61 80
3B 80A R 3 81 32 74 95
4B 100A R 4 92 37 98 120