Industrial Transmission Sprocket 1pc 10T-20T 08B Industrial Drive Sprocket Wheel 45# Steel Chain Gear 10 11 12 13 14 15 16 17 18 19 20 Teeth Keyway Bore 10 35mm 08B Sprocket 08b 08b2 Steel Hubless Double Row Chain Sprocket - Sprocket Gear and Wheel 1Pcs Flat Sprocket Wheel 08B 26 Teeth To 41 Teeth ... – Vicedeal Aazon.co: Carbon Steel otor Drive Gear 1pcs 10T-20T 08B Industrial... Specifications:Name: 08B industrial transmission sprocketType: stepped sprocketMaterial: 45# steelTooth surface treatment: blackenedPitch: 12., 7mmNumber of teeth: 10/12/13/14/15/16/17 teethKeyway hole: 15mm (keyway 5mm), 18/20/22mm (keyway 6mm), 32mm (keyway 10mm)Application: used for various mechanical transmission partsPacking list:1pcs 08B sprocket (delivered according to the model size you choose), 1., Strong and wear-resistant, it can be used for a long time and is an excellent industrial replacement part., 2., Gears are essential accessories in your industrial supplies.