US Shoulder Bolt Dimensions

Shoulder Bolt Dimensions
Shoulder Diameter
(A)
Thread
(C)
Thread Length
(D)
Head Diameter
(E)
Head Height
(F)
Allen Wrench Size
1/8 4-40 3/32 1/4 1/8 5/64
3/16 8-32 3/16 5/16 5/32 3/32
1/4 10-24 3/8 3/8 3/16 1/8
5/16 1/4-20 7/16 7/16 7/32 5/32
3/8 5/16-18 1/2 9/16 1/4 3/16
1/2 3/8-16 5/8 3/4 5/16 1/4
5/8 1/2-13 3/4 7/8 3/8 5/16
3/4 5/8-11 7/8 1 1/2 3/8
1 3/4-10 1 1-5/16 5/8 1/2
1-1/4 7/8-9 1-1/8 1-3/4 3/4 5/8
1-1/2 1-1/8-7 1-1/2 2-1/8 1 7/8
1-3/4 1-1/4-7 1-3/4 2-3/8 1-1/8 1
2 1-1/2-6 2 2-3/4 1-1/4 1-1/4