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 ● -