40 Tooth Roller Chain Sprocket for 40 Chain One Inch Bore Type B Built Tough Hardened 1045 Steel Antirust Drive Sprocket with 12 Teeth One Half Inch Pitch One Quarter by One Eighth Inch Keyway Two Setscrews at Ninety Degrees High Frequency Quenched

40T Roller Chain Sprocket with 1in Bore, 12 Teeth
✔️ 1 in bore, 12 teeth, 1/2 in pitch, Type B, 1045 steel

This rugged 40-tooth roller chain sprocket is designed for ANSI #40 chain. Made from ANSI 1045 carbon steel and hardened to HRC38-42 with high-frequency quenching for superior wear resistance. The blackened surface provides anti-rust protection in harsh environments. Includes 1 sprocket, 2 screws, 1 wrench for easy installation. Ideal for power transmission in agricultural machinery, woodworking machinery, and machine tools.

✅ Size: ANSI #40, 12 teeth, 1 in bore, 1/2 in pitch
✅ Keyway: 1/4 x 1/8 in, two setscrews at 90 degrees
✅ Finish: blackened, corrosion-resistant surface
✅ Material: 1045 carbon steel, hardened to HRC38-42
✅ Package contents: 1 sprocket, 2 screws, 1 wrench

💡 What is a common use for a roller chain sprocket in power transmission? This handy component helps transfer rotational motion to a chain-driven load in many machines.
- Used in conveyors, agricultural equipment, woodworking tools, and machine tools
- Ensures proper chain engagement and torque transfer with a correct bore and tooth count
- Made from hardened 1045 steel with anti-rust finish for tough environments