1114739 | P-L9-015-127FF-SB-N-127U (Each) --- Inch Timing Pulleys - 15 tooth - 12.7x12.7 mm 9.525mm Pitch L - Steel - Black Oxide Pulley 6.1x5.6x22.2 ORB00400200VBR75

ORB00400200VBR75

12mm is 27

B020S02430060NFB

9 mm Standard Cup Point Socket Set Screws - Carbon Steel - Sold Per 50:

1114739 | P-L9-015-127FF-SB-N-127U (Each) --- Inch Timing Pulleys - 15 tooth - 12.7x12.7 mm 9.525mm Pitch L - Steel - Black Oxide Pulley 6.1x5.6x22.2 ORB00400200VBR7515 tooth 12. 7x12. 7 mm Inch Timing Pulleys Steel Black Oxide Sold Per Each: Base Category: Pulleys Inch Timing Top Level Category: Pulleys Inch Timing 9. 525mm Pitch L 12. 7mm Wide Through Bore Product Details Number of Teeth: 15 Steel Black Oxide Number of Teeth: 15 Max Belt Width: 12. 70mm (12. 70mm is 0. 5 in.) Bore (d): 12. 700mm (12. 700mm is 0. 5 in.) Bore Type: Unfinished Type: 2 Pitch Dia. (PD): 45. 46mm Flange Diameter (FD): 51. 6mm Overall