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Socket Set Screws Cup Point Zinc

Socket Set Screws Cup Point Zinc


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Socket Set Screws Cup Point Zinc

A headless screw threaded the entire length. It has a hexagonal drive at one end and a cup-shaped indentation at the other end. The cup point is the most used style set screw. Designed for fast, permanent and semi-permanent location of parts on shafts with hardness differential of 10-15 Rockwell C points and where cutting in of cup edge on the shaft is acceptable. Hardness: Rockwell C45-53.

Socket Set Screw Cup Point Zinc
Nominal Size Shortest Nominal Length Tightening Torque
(Inch-Lbs.)
Cup Point Hex Key Size
0 0.13 .028 .86
1 0.13 .035 1.8
2 0.13 .035 1.8
3 0.19 .050 5.
4 0.19 .050 5.
5 0.19 1/16 9.5
6 0.19 1/16 9.5
8 0.19 5/64 19.4
10 0.19 3/32 33.5
1/4 0.25 1/8 77.9
5/16 0.31 5/32 156
3/8 0.38 3/16 273
7/16 0.44 7/32 428
1/2 0.50 1/4 615
5/8 0.63 5/16 1315
3/4 0.75 3/8 2150
7/8 0.88 1/2 5130
1 1.00 9/16 7010