Description
Simplex chain sprocket with hardened teeth (HRC 45÷53), finished bore, keyway and set-screw holes, for 12B-1 roller chain (3/4″ × 7/16″), teeth Z 12–19.
- Keyway DIN 6885 UNI 6604 — keyway in line with tooth
- Sprocket tooth width B1: 11.1 mm
- Chain pitch: 19.05 mm
- Chain inner width: 11.68 mm
- Chain roller Ø: 12.07 mm


