High-Speed Steel Cutting Kits For Lathes - 3/8'''' Turning Kit - High-Speed Steel Cutting 3/8'''' Turning Kit

Tooling kits include hardened steel toolholders and high speed steel inserts for turning, threading, profiling, and cut-off work. Inserts are T-15 High Speed Steel (HSS) hardened to Rc 65-67, then finish ground on all sides. They deliver excellent slow speed performance, precision interrupted cuts, and a smooth finish on stainless steel, Inconel, Monel, exotic metals, and plastics. Square shank toolholders and boring bars are CNC machined from 4140/4142 steel bar stock, hardened to Rc 48-50, and then black oxide coated to resist corrosion. Includes two ¼" square shank bars, one right hand (RH) bar and one left hand (LH) bar, a 3/8" shank boring bar, plus two CEMW-2-1.5-1 bor Mfg: Brownells SPECS: One right hand bar, one double-ended left hand bar, .375" shank, 3.5" long, double ended for 50° side cutting edge angle, boring bar, .375" shank, 5" long, .188" wide, full length flat, .365" minimum bore. Boring Bar Inserts - two T-15 HSS CEMW-2-1.5-1 inser