3D Printer Accessories 2GT Timing Belt Wheel Pulley Stainless Steel Extrusion Gear 16 Tooth 5mm 6mm Bore 20 Tooth 5mm 6.35mm 8mm Bore White
3D Printer Accessories 2GT Timing Belt Wheel Pulley Stainless Steel Extrusion Gear 16 Tooth 5mm 6mm Bore 20 Tooth 5mm 6.35mm 8mm Bore White
3D Printer 2GT Timing Belt Wheel Stainless Steel Pulley Multiple Bore Sizes
This 2GT timing belt wheel is a direct replacement or upgrade part for extrusion-based 3D printers using GT2 belt systems. The pulley is machined from stainless steel to maintain accurate tooth engagement over long print jobs, reducing the risk of missed steps and print defects. Available in 16-tooth and 20-tooth variants with bore diameters to fit common stepper motor shafts and idler assemblies. Choosing the correct bore size matters: a snug fit on the shaft prevents wobble and keeps belt tension consistent. Each pulley comes as a single unit, supplied as a set of one gear.
Features and Construction
Built to match standard 2GT belt profiles, this pulley uses a precise tooth shape to keep the belt tracking correctly during high-speed or high-acceleration moves. The stainless steel material resists deformation under normal printer loads.
Material and Build
The gear is made from stainless steel, a material chosen for its ability to hold shape under tension without adding excessive mass to the printer's moving components. White finish provides visual contrast against black anodised aluminium frames.
Size and Practical Fit
Five bore diameters cover the most common shaft sizes found on NEMA 17 stepper motors and idler pulleys: 5mm, 6mm, 6.35mm (1/4 inch), and 8mm. The 16-tooth version fits compact spaces; the 20-tooth version provides smoother belt wrap for reduced vibration.
Uses and Placement
This pulley is designed for the X-axis, Y-axis, or extruder drive systems of Cartesian, CoreXY, and delta printers that use 2GT/GT2 belts. It replaces worn or mismatched pulleys to restore positional accuracy.
Event or Professional Use
Works well in print farms or workshop environments where multiple printers run continuously. Consistent tooth geometry helps maintain repeatable print quality across batches.
Everyday Home Use
Home hobbyists can upgrade from plastic pulleys to stainless steel for better long-term wear. The white colour makes it easy to spot during belt tension adjustments.
Benefits and Buying Value
Choosing the correct bore and tooth count reduces the need for future replacements. One pulley set per order covers a single axis location, so plan your printer's requirements before purchase.
Reuse and Low Maintenance
Stainless steel construction requires no lubrication and resists corrosion in normal indoor printer environments. Simply wipe clean when changing belts.
Why Choose This Product
Multiple bore options in a single product listing let you pick exactly the fit your printer needs without buying separate pulleys for each axis. The 2GT profile matches widely available GT2 belt stock.
