- Precision machined teeth assure maximum transmission efficiency..H35B18F 3/4" Inch Bore Keyway & 2 Set Screws Fb Hardened Tooth - Black oxide surface finish to protect against rust.
- Precision machined teeth assure maximum transmission efficiency..H50B16F 1-7/16" Inch Bore Keyway & 2 Set Screws Fb Hardened Tooth - Black oxide surface finish to protect against rust.