40mm Outer Diameter Single Groove Pulley With 12mm Fixed Bore For Drilling Machine Fits 6mm PU Round Belt Heavy Duty Concentricity Non Slip Grip Durable Smooth Operation Ideal Rotary Component For DIY Projects
✔️ OD 40mm, bore 12mm, thickness 17.5mm, 6mm belt, groove 30mm
This 40mm outer diameter single groove pulley features a fixed 12mm bore and is built for 6mm round belts. It's designed for drills, motors, mini spindles, and model transmission setups, delivering smooth operation and steady concentricity.
✅ Outer Diameter: 40mm
✅ Inner Diameter: 12mm
✅ Overall Thickness: 17.5mm
✅ Groove Bottom Diameter: 30mm
✅ Groove Width: 7mm
✅ Groove Depth: about 5mm
✅ Applicable Belts: 6mm belt
💡 What is a 40mm OD single groove pulley with 12mm bore used for in small machinery and DIY projects? This handy drive part helps belts stay aligned and rotate smoothly.
- ideal for motor, mini spindle, and model transmission drives
- keeps 6mm belts aligned for smooth operation
- supports precise mounting on standard 12mm bores for easy DIY integration