20 Teeth Sprocket 1/4" Pitch, 20mm Bore Carbon Steel, Keyway with Set Screws 1000 X 50 X 0.1mm Blind threaded inserts are designed

Blind threaded inserts are designed to provide strong threads in thin panel sections

Shell Size: 58x48x30mm / 2

Low friction coefficient

such as house door

Wide ranges of materials can be engraved

20 Teeth Sprocket 1/4" Pitch, 20mm Bore Carbon Steel, Keyway with Set Screws 1000 X 50 X 0.1mm Blind threaded inserts are designedFeatures: 1. Chain Sprockets are normally mounted in a fixed position on a fixed shaft. Keyway with 2pcs Set Screws at 90 degrees. 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 least three teeth in