COMOWARE M35 Cobalt Step Drill Bit, 4 Spiral Flute, Step bit with 3/8" Hex Shank, 12 Sizes (3/16" to 7/8"), Steps bits for Metal, Stainless Steel,

COMOWARE M35 Cobalt Step Drill Bit, 4 Spiral Flute, Step bit with 3/8" Hex Shank, 12 Sizes (3/16" to 7/8"), Steps bits for Metal, Stainless Steel,

M35 Cobalt HSS Step Drill - M35 High-speed steel material ensures a longer service life.This unibit step drill bit features advanced heat/corrosion/rust resistant coating, specially engineered for demanding metal drilling applications. Four Spiral Flutes stepped drill bit - This design delivers superior stability and precision for metal drilling. This step drill bits for metal ensures faster chip removal, cleaner holes, and butter-smooth cutting action for peak performance. Multi-Material Performance – This step drill bit set effortlessly cuts through 1/8" thick stainless steel, steel/aluminum sheets, wood, plastic & copper. These step bits are ideal for DIY & professional use, consistent performance with clean holes. 3/8" Hex Shank Step Bit Set - These professional step drill bits feature 3/8" Hex Shanks for maximum grip, eliminating slippage under high torque. The enhanced design ensures secure clamping in pistol drills. Size Includes - This metal step drill bit drills 12 sizes (3/16” to 7/8") without bit changes—laser-etched markings on the unibit allow instant size identification for precision metalworking. COMOWARE M35 Cobalt Step Drill Bit, 4 Spiral Flute, step bit with 3/8" Hex Shank, 12 Sizes (3/16" to 7/8"), steps bits for metal, Stainless Steel, Aluminum/Wood/Plastic, Unibit for Electricians & DIY