Three new carbide bur kits that are for specific tasks and come packaged in metal storage boxes to fit into a machinist's toolbox are being introduced by Rex-Cut Products Inc. Carbide bur kits include conical, round, cylindrical and barrel-shaped burs that are manufactured from grade-K20 micrograin carbide and heat-treated HSS shanks. Packaged in handy metal boxes, three kits are offered: four-piece ¼" shank aluminum cut bur kit, eight-piece ¼" shank double-cut kit, and 12-piece ¹⁄₈" shank double-cut bur kit. All 100 percent torque tested for high reliability and long life, the burs were selected for each Rex-Cut kit to provide machinists with an affordable selection that correspond to their typical job requirements, according to the company. Carbide bur kits are list priced from $77.23 to $116.62.