#25 Chain Roller Sprocket 12mm Bore 1/4" Pitch 15 Tooth Type B Sprocket 2Pcs Top Selling Fit for Door Gap: 1-20mm

Fit for Door Gap: 1-20mm

Refer to your manual to ensure ordering the correct compatible part

Feature hardened

which is why they are an good choice for applications that require frequent updates

Smooth operation with greater OT

#25 Chain Roller Sprocket 12mm Bore 1/4" Pitch 15 Tooth Type B Sprocket 2Pcs Top Selling Fit for Door Gap: 1-20mmFeatures: 1. Chain Sprockets are normally mounted in a fixed position on a fixed shaft. Round hole 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