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