Mitsubishi K BKSD Blister Pack Stainless Steel High Speed ​​Drill 3.9mm (1 piece) BKSDD0390 1 piece

Catalog number: BKSDD0390 Features: ● The cutting edge is sharp, making it especially suitable for machining stainless steel with a hardness of 200HB or less. Applications: ● Workpiece: mild steel, general steel, stainless steel, light alloys. Specifications: ● Blade diameter (mm): 3.9 ● Groove length (mm): 51 ● Total length (mm): 79 ● Shank diameter (mm): 3.9 ● Effective machining depth: 3 to 5D (blade diameter x 3 to 5 times) Material/Finish: ● Cobalt high-speed steel (CO HSS)