GT2 Timing Belt Pulley 20 Teeth, 8mm Bore, for 10mm Width Belt (5‑Pack)

Our GT2 synchronous timing pulleys are precision‑fabricated from premium silver aluminum‑alloy, built for durable, low‑noise synchronous power transmission. Available in multiple bore sizes‑4mm, 5mm, 6mm, 8mm, 6.35mm, with 16‑tooth and 20‑tooth selections, these drive pulleys are compatible with both 6 mm and 10 mm width GT2 timing belts. Two set‑screws lock the pulley tightly on the motor shaft to avoid slipping during operation. Each set includes a hex wrench for simple installation and convenient maintenance. Widely used on Reprap 3D printers, CNC router machines, laser engraving equipment, robot assemblies and other homemade automation transmission systems. 13 pieces are contained in each package.

• 【Precision‑Machined GT2 Timing Pulley】Multiple bore‑tooth options(4mm/5mm/6mm/8mm/6.35mm bore,16T/20T),perfectly match 6mm & 10mm width GT2 timing belts for stable synchronous transmission.
• 【High‑Grade Aluminum‑Alloy Construction】Silver anodized surface, corrosion‑resistant, sturdy and wear‑resistant, delivers low‑noise smooth operation for long‑time high‑speed running.
• 【Dual Locking Set‑Screws Design】Two fastening screws firmly secure the pulley onto motor shaft, effectively prevent slipping and guarantee reliable power transfer.
• 【Easy‑to‑Install Accessory】Comes with a hex wrench for quick assembly, convenient maintenance without extra tools, ideal for DIY transmission builds.
• 【Wide‑Range Compatibility】Perfect drive replacement parts for 3D printers, CNC machines, laser engravers, robotic projects and other automation equipment.