1 x GT2 aluminium toothed pulley, 40 teeth, gear bore 5 mm, 6.35 mm, 8 mm, 10 mm, 12 mm, aluminium gear wheel, tooth width 6 mm, for 3D printer reprap (40 teeth inner hole 12 mm)

• Material made of aluminium alloy, it is more wear resistant than aluminium
• When transferring there are two timing pulleys, one position of timing pulleys is firm, and another position is adjustable to make straps stretchy.
• Application: milling machine, CNC machine lathe, gear mill, rolling machine, drill engraving machine parts or other machinery transmission occasions.
• Various sizes available

x GT2 Aluminum Timing Belt Pulley 40 Teeth Gear Bore 5mm 6.35mm 8mm 10mm 12mm Aluminum Gear Tooth Width 6mm for 3D Printer Reprap (40 Teeth Inner Hole 12mm) Material Made It is made of aluminum alloy and is more wear-resistant than aluminum. During transfer, there are two timing belt pulleys, one position of the timing belt pulleys is fixed and another position is adjustable to make the belts stretchable. Application: milling machine, CNC lathe, gear mill, rolling machine, drill, engraving machine parts or other machine transfer occasions. Various sizes available