Nitro 35BS12 1/2 Finished Bore Sprocket - Type B Sprocket Sprockets are widely used in power transmission in the fields of agricultural machinery, woodworking machinery and machine tools. Size information:American Standard ANSI #35,3/8 inch Pitch,1/2 inch Bore,12 Teeth,1/8X1/16 Keyway,2 Setscrews at 90 degrees,B Type,Suitable for #35 chain The sprockets are easy to install, easy to maintain, and can maintain good and stable operation in harsh environments. 35 Chain Sprocket Saelno #35 Roller Chain Sprocket Type B 1/2 Inch Bore 12 Tooth, Hardened Antirust 1045 Steel Drive Sprockets 35B12-1/2 Type B Sprocket 35B12 Summit Collars & Industrial Supply offers many sizes of Roller Chain Sprockets, in stock. Order online for fast, free & easy delivery The sprocket is made of ANSI 1045 carbon steel, and the teeth are hardened with HRC38-42 with high-frequency quenching heat treatment The sprocket is made of ANSI 1045 carbon steel, and the teeth are hardened with HRC38-42 with high-frequency quenching heat treatment. 12-Tooth Sprocket for #35 Chain with 1/2 Finished Bore, 35BS12 The sprockets are easy to install, easy to maintain, and can maintain good and stable operation in harsh environments