80B12 1-3/8" Finished Bore Sprocket (80BS12H-1-3/8)

Nitro 80B12-1-3/8 Finished Bore Sprocket

Our 80BS12H sprockets are manufactured to conform to the ANSI standards for chain & sprockets. This sprocket is a 12 tooth sprocket that is compatible with ANSI #80 roller chain. The 80BS12 1-3/8" sprocket is a finished bore style that has a standard keyway & 2 setscrews. Our sprocket teeth are hardened to help prevent tooth wear. A black oxide finish is applied to the sprocket for corrosion resistance.

80BS12 1-3/8" Sprocket Dimensions:

• Fits ANSI Chain Size: #80
• Bore (D1): 1-3/8"
• Number Of Teeth: 12
• Outside Diameter (de): 4.332"
• Sprocket Thickness (B1): 0.575" (Not including Hub)
• Hub Diameter (dm): 3-1/8"
• LTB - Length Thru Bore (A): 1-5/8"
• Keyway Size: 5/16" X 5/32"
• Hardened Teeth: Yes (HRC 38-42)
• Number Of Setscrews: 2
• Material: 1045CD (Cold Drawn)
• Type Of Finish: Black Oxide

Interchange Numbers:

• 80BS12 1-3/8
• 80BS12H 1-3/8