40 Tooth Roller Chain Sprocket Type B With Five Eighth Inch Bore For ANSI 40 Chain, Half Inch Pitch, Ten Teeth, Keyway And Two Setscrews At 90 Degrees, Hardened 1045 Carbon Steel Drive Sprocket With Rust Resistant Finish 40B10 Five Eighth Bore Built Tough

Single 40-Tooth Type B sprocket, 1/2 pitch, 5/8 bore
✔️ ANSI #40, single sprocket, 1/2 pitch, 5/8 bore, 10 teeth

Meet the 40B10 roller chain sprocket, Type B, designed for ANSI #40 chain with a 1/2 in pitch and 5/8 in bore. Made from ANSI 1045 carbon steel, its teeth are hardened to HRC38-42 via high-frequency quenching for extended life. The blackened surface adds corrosion resistance, making it suitable for dirty or humid environments. It's widely used in power transmission across agricultural machinery, woodworking equipment, and various machine tools. Package includes 1 sprocket, 2 screws, and 1 wrench for quick setup.

✅ ANSI #40, 1/2 in pitch, 10 teeth
✅ 5/8 in bore with 3/16 x 3/32 in keyway and 2 setscrews at 90°
✅ Hardened 1045 carbon steel teeth, HRC38-42
✅ Blackened finish resists corrosion in harsh environments
✅ Includes 1 sprocket, 2 screws, 1 wrench for quick installation

💡 How is a standard roller chain sprocket used in typical power transmission systems?
This handy explanation covers practical uses and setup considerations.
- power transmission for ANSI #40 chain in farming, woodworking, and shop tools
- hardened 1045 steel teeth improve wear resistance and longevity
- rust-resistant black finish supports outdoor or damp environments