Beefy 12 Tooth Roller Chain Sprocket With Three Eighths Inch Pitch 15mm Bore A3 Carbon Steel Motor Drive Gear DIN ISO 06B High Hardness Wear Resistant Gear For Industrial Chains

Heavy-duty 12-tooth sprocket with 15mm bore and 3/8" pitch
✔️ A3 steel with high hardness teeth, fixed shaft mounting

This single-unit, fixed-mount sprocket is designed for DIN ISO 06B compatibility and is typically used on fixed shafts in hardware, milling machines, conveyors, and other industrial equipment. Note: the surface is not rust-treated, so minor rust may appear but won’t affect performance; you can sand spots away before use.

✅ Teeth: 12
✅ Thickness: 5 mm (0.2")
✅ Bore: 15 mm (0.59")
✅ Pitch: 9.525 mm (3/8")
✅ Keyway: 5 mm (0.2")
✅ Hub height: 17 mm (0.67")
✅ Tooth outer diameter: 40 mm (1.57")
✅ Material: A3 steel (Q235) with high-frequency quenched teeth
✅ Mounting: 2 pcs set screws at 90 degrees
✅ Rust note: surface not rust treated; may show rust, cleanup with sandpaper

💡 What is a 12-tooth roller chain sprocket with 3/8 inch pitch used for in industrial drive systems? This handy gear transfers motion from a chain to a driven shaft with reliable timing in fixed-mount applications. - A3 steel construction with hard teeth for long wear life - DIN ISO 06B compatibility for easy replacement - Ideal for milling machines, hardware setups, conveyors, and heavy-duty machinery

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