17 Teeth Sprocket Single Strand 1/2" Pitch, 12mm Bore Carbon Steel Red Purple Material: 6542 High Speed Steel

Material: 6542 High Speed Steel (HSS)

It is great for speed control

a watch glass should be covered on the mouth of the beaker to avoid liquid splashing

Package List:2 Pcs Car Rear Taillight Module Uint LED RR Combination Assembly

17 Teeth Sprocket Single Strand 1/2" Pitch, 12mm Bore Carbon Steel Red Purple Material: 6542 High Speed SteelFeatures: 1. Chain Sprockets are normally mounted in a fixed position on a fixed shaft. This sprocket has a hub extension on one side to provide stability. The shaft can be fixed well, which is convenient to use. 2. The chain sprocket should not rotate at a greater speed than is allowable for drive sprockets of the same size. Every roller chain sprocket comes with strong teeth that can latch onto the chain. It is suggested that chain sprockets have at