TRUSCO Cobalt Drill Bits for Stainless Pack of Steel, 4.2mm, 10, TCSD-042

Manufacturer: Trusco Nakayama Quantity: 10 Model number TCSD-042 ■Features/Uses: ●The tip has been given an X-thinning treatment for good bite. ●Can be used on a wide range of work materials, including stainless steel. ●Work materials: stainless steel, hard-to-cut alloy steel, general steel, mild steel. 　■Specifications: ●Blade diameter (mm): 4.2 ●Groove length (mm): 43 ●Total length (mm): 75 ●Tip angle (°): 135　■Material/Finish: ●Cobalt high-speed steel (HSS-Co)