B&B Manufacturing offers Powerhouse® pulleys that are designed to be fully compatible with the PowerGrip® GT® belts and Powerhouse® belts. They are available in a variety of metric pitches including 2 mm, 3 mm, 5 mm, 8 mm and 14 mm. These pulleys are manufactured in aluminum and steel at a variety of types, outside diameters, belt widths and tooth counts. These timing pulleys are offered with minimum plain bores, finished bores and Taper-Lock® bushed. In addition, we have the in-house engineering, design and manufacturing capabilities to produce custom, high-precision timing pulleys of any size, customized to meet any unique application. With our JIT (just-in-time) delivery and other stocking programs, we ensure our clients have the quality timing pulleys they need made in the USA when they need them. Powerhouse® MXL Timing Pulley, Type 3F, 5/16 in Bore, 0.515 in OD, 0.536 in Pitch Diameter, 21 Grooves, 0.08 in Pitch, 0.433 in Face Width, 0.7 in Diameter Flange, 0.563 in Diameter Hub, 0.433 in Overall Length, For Use With: 1/4 in W Belt, Polycarbonate