1110765 | SS127F-0159-AS (Pack of 50) --- Standard Cup Point Socket Set Screws - 1/2-20 UNF - 12.7mm - 15.9 mm Alloy Steel DIN916 - Carbon Steel - Hardened GD14.9 Screw 1.98x25.4 9 mm Roller Chain Sprockets

9 mm Roller Chain Sprockets - Carbon Steel - Sold per Each:

AT048F0102MS

Huyett® RS-206

SC060M045BSKS4

DIN: DIN921

1110765 | SS127F-0159-AS (Pack of 50) --- Standard Cup Point Socket Set Screws - 1/2-20 UNF - 12.7mm - 15.9 mm Alloy Steel DIN916 - Carbon Steel - Hardened GD14.9 Screw 1.98x25.4 9 mm Roller Chain Sprockets1 2 20 UNF (12. 7mm) 15. 9 mm Standard Cup Point Socket Set Screws Carbon Steel Hardened GD14. 9 Sold Per 50: Base Category: Socket Set Screws Standard Cup Point Top Level Category: Socket Set Screws Standard Cup Point Alloy Steel DIN916 Product Details Thread Size: 1 2 20 UNF (12. 7mm) Carbon Steel Hardened GD14. 9 Thread Size: 1 2 20 UNF (12. 7mm) Thread Length (L): 15. 9mm (15. 9mm is 0. 626 in.) Type: Standard Cup Point Hex Key Size: 6. 35 (1 4)