uxcell Timing Pulley Synchronous Wheel 3M 15 Teeth Belt Drive Gear with M4 Screws Belt for 3D Printer CNC Bore Diameter 5 mm ==================== The silver-colored synchronized wheel is made of high-quality aluminum alloy. When used in combination with a timing belt, it smoothly realizes synchronous transmission and transfer projects. It is widely used in mechanical transmissions such as 3D printers, drilling machines, milling machines, gear machines, and CNC lathes. Package Contents: 1 x Timing Pulley Wheel; 2 x Screws; Teeth: 15; Pitch: 3 mm; Bore Diameter: 5 mm; Outer Diameter: 18 mm; Total Height: 19 mm; Slot Width: 16 mm; Shaft Hole Shape: Round The transmission is accurate and stable, highly efficient, and has no slippage during operation, with buffering and damping, low noise, convenient maintenance, and lubrication functions. It has a wide transmission range. It can be used for long-distance transmission. There are two 90-degree countersunk screw holes on the tooth surface, which can be fixed by tightening the screws. ===================== * Immediate purchase welcome, midnight silent purchase OK ◎ * One-of-a-kind, first-come, first-served * Welcome to bulk purchases, feel free to comment * Free shipping! * Please contact us before evaluation if there are any problems. ・Please understand that the product will be stored at home and shipped in simple packaging. ・Please check the actual photos for the condition of the product. ※ In order to sell at a slightly lower price, the product may be shipped without the box due to shipping costs. #Riyan's product list is here ☜ 3119650