





Jeremywell #40 Roller Chain Sprocket B Type 3/4" Bore Hardened 12 Tooth
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Product Details
Bore Size: 3/4"
Sprocket Part Number: 40BS12H
Number of Teeth: 12
1045 Medium Carbon Steel meets ANSI and MARTIN Standard
Best Review
Customers appreciate the sprocket's build quality, fit, and performance. They find the material consistent, the keyway quality good, and the sprocketing size correct. Many consider it a solid product for the price, though opinions vary on the design.AI-generated from the text of customer reviews