Specification Brand : Martin BulletPoint1 : For use with series 35 chain, 3/8” pitch for driver or driven sprocket needs BulletPoint2 : Type BS sprocket with two setscrews and a keyway offers a stable and secure attachment to the shaft BulletPoint3 : Shaft diameter size from 3/8” to 1-1/4” for a variety of applications BulletPoint4 : Varying numbers of teeth, hub sizes, and stock bore sizes offer application flexibility BulletPoint5 : High carbon steel for strength and durability ExternallyAssignedProductIdentifier1 : 697950000862 ExternallyAssignedProductIdentifier2 : 0697950000862 ItemName : Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 35 Chain Size, 0.375" Pitch, 12 Teeth, 0.75" Bore Dia., 1.625" OD, 1.2188" Hub Dia., 0.168" Width ItemPackageDimensions_Height : 2.286 centimeters ItemPackageDimensions_Length : 5.334 centimeters ItemPackageDimensions_Width : 5.334 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : MARTIN Material : Carbon Steel NumberOfItems : 1 NumberOfRows : 1 NumberOfTeeth : 12 PartNumber : 35BS12 3/4 ProductSiteLaunchDate : 2010-10-01T00:00:01-07:00 Size : 35 Style : Bored-to-Size