#23 x 6 High Speed Aircraft Bit Cobalt

9 x 2 Simpson Metal-Panel Screw - Hex Drive w/ EPDM Washer 316 SS - Carton (1000)

3/4-10 x 6 1/2 Socket Cap Screw 18-8 (A2) Stainless Steel

1 1/8-7 x 4 1/2 Socket Cap Screw Alloy

M20-2.50 x 100 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy Jobber Drill Bits - Wire Gauge #23 x 6 High SpeedM20 2. 50 x 100 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy . 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: