Socket Head, USS (1960 Series) 3A FIT Heart Treated Steel (Alloy)

Length Diameters
2/56 3/48 4/40 5/40 6/32 8/32 10/24 1/4-20
Key Size 5/64 5/64 3/32 3/32 7/64 9/64 5/32 3/16
3/16 X X
1/4 X X X X X X
3/8 X X X X X X X X
1/2 X X X X X X X X
5/8 X X X X X X
3/4 X X X X X X
7/8 X X X X
1 X X X X
1-1/4 X X X
1-1/2 X X X
1-3/4 X X
2 X X
2-1/4 X
2-1/2 X
2-3/4 X
3 X
3-1/4
3-1/2
4
4-1/2
5
5-1/2
6
6-1/2
7
8
Package Quantity 100 100 100 100 100 100 100 100
All Items Black Lustre Finish.
Packed as Noted.
Length Diameters
5/16/18 3/8-16 7/16-14 1/2-13 5/8-11 3/4-10 7/8-9 1-8
Key Size 1/4 5/16 3/8 3/8 1/2 5/8 3/4 3/4
3/16
1/4
3/8 X
1/2 X X
5/8 X X
3/4 X X X X
7/8 X X X X
1 X X X X X
1-1/4 X X X X X X
1-1/2 X X X X X X
1-3/4 X X X X X X
2 X X X X X X X X
2-1/4 X X X X X X X X
2-1/2 X X X X X X X X
2-3/4 X X X X X X X X
3 X X X X X X X X
3-1/4 X X X X X X X X
3-1/2 X X X X X X X X
4 X X X X X X X
4-1/2 X X X X X X
5 X X X X X X
5-1/2 X X X X X
6 X X X X X
6-1/2 X X X X X
7 X X X X X
8 X X X X X
Package Quantity 100-3″ 50 3-1/4″ & up 100-2″ 50 2-1/4″ & up 100-1″ 50-3″ 25-up 50-3″ 25-up 25 20 15 10
All Items Black Lustre Finish.
Packed as Noted.

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