CNBTR 72 Teeth Steel Pinion Gear 6mm Shaft Hole 0.5 Module Spur Gear Small Size for DIY sold2025 A number of expansion boards

A number of expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack

This stone only requires water

sharp and durable

Additional 3 replaceable stones for spares

Warning: Connecting or disconnecting stepping motor while driver is powered on might damage driver

CNBTR 72 Teeth Steel Pinion Gear 6mm Shaft Hole 0.5 Module Spur Gear Small Size for DIY sold2025 A number of expansion boardsCNBTR 72 Teeth Steel Pinion Gear 6mm Shaft Hole 0. 5 Module Spur Gear Small Size for DIY Specifications: Material: 45 steel Color: black Brand name: CNBTR Size: 37x10x6mm 1. 46x0. 39x0. 24inch ( Outer diameter x Height x inner diameter) Module: 0. 5 Teeth: 72 Shaft hole: 6mm Weight: 36g Features: 1. Small size 6mm Bore Gear, can be used as DIY parts. 2. 0. 5 module 72 teeth Pinion features with good precision and high concentricity. 3. 6mm shaft hole,