B&B Manufacturing is a manufacturer of timing belt pulleys in a variety of different pitches including, MXL, XL, L, H, XH, 3mm HTD, 5mm HTD, 8mm HTD, 14mm HTD, 2MR, 3MR, 5MGT, 8MGT, 14MGT, 8M Polychain, 14M Polychain, T2.5, T5, T10, T20, AT5, AT10, and AT20. We also manufacture roller chain sprockets, gears, and sheaves. Materials include steel, aluminum, stainless steel, Delrin, brass. We stock thousands of standard items as well as make custom parts to our customers print.