About This

• 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.
• Set Includes: This metal step drill bit includes 5 common sizes for versatility, drills 50 sizes (1/16" to 1-3/8").

Overview

• Material : High Speed Steel (HSS)
• Cutting Diameter : 1/4-1-3/8; 3/16-7/8；1/4-3/4； 1/8-1/2；3/16-1/2 Inches
• Finish Type : Titanium
• Shank Type : 3-Flat
• Cutting Angle String : 118 Degrees