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"