The BH Series of grinding mandrels are manufactured for BOTTOMING and SHOULDER grinding. These grinding pins have a back taper, recessed center, and grinding dust exit slots. Two types are provided. Type A for diameters .315″ to .473″ and Type B for sizes .591″ to 1.00″. The pins are only available in 100/120 Grit Borazon.
PDF Specifications: Titan Borozon Bottoming Mandrles