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You're always welcome to stock up on these standard 1/2-inch ID hole parts too
08B12H sprockets with a stock bore comes with the standard 10 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
Dimension (C): 3/8"
the 10B SA2 attachment has a straight tab on one side with two holes for mounting
BK52 Pulley 1" Bore 15-Tooth Sprocket You're always welcome to stockThis BK52 Pulley 1" bore is directly interchangeable with other manufacturers, is 4. 95" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK52 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35 cast iron offers a higher tensile
