COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8" Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills.

COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8" Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills.

• HSS step drill with Titanium Coating – 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.
• Multi-Material Performance – This step drill bit set effortlessly drills through steel sheets, aluminum, wood, and plastic with clean holes. The step bits are perfect for DIY home projects and professional building/engineering applications.
• Two Straight Flutes stepped drill bit - The dual-flute design ensures faster chip removal and cleaner holes. This step drill bits for metal provides smoother cutting while efficiently evacuating chips for peak drilling performance.
• Tri-Flatted Shank Step Bit Set - These professional step drill bits feature 3 precision-flatted 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 10+ sizes (1/4" to 1-3/8") without bit changes—laser-etched markings on the unibit allow instant size identification for precision metalworking.