5pcs Step Drill Bits for Metal, Wood, Plastic, 50 Sizes Tri-Flat Shank HSS Titanium Step Drill Bit Set with Center Punch

Descriere 5pcs Step Drill Bits for Metal, Wood, Plastic, 50 Sizes Tri-Flat Shank HSS Titanium Step Drill Bit Set with Center Punch

[LESS DRILL BITS WITH MORE SIZES]:This high-speed steel step drill bit set includes 5 step drill bits with 50 sizes.The step-by-step design of the step drill bits allows it to gradually expand in a hole, meeting various drilling needs for different diameters. The step drill bit does not need to be replaced when holes with different diameters are machined.
[HIGH WEAR RESISTANCE]: This set is made from high-speed steel and combined with titanium coating, providing the drill bits with excellent wear resistance and heat resistance.3x longer life with uncoated step drill bit.
[118 SPLIT POINT TIP & SIZES MARKING]: The 118 split point tip can minimize friction and resistance during the cutting process, thereby improving cutting efficiency. The laser-etched size markings provide positioning assistance for precise drilling, making the operation more user-friendly.
[WIDE APPLICATIONS]: This step drill set is not only suitable for metal processing, but also can be used for drilling holes in wood, plastic and composite materials. Whether you are a professional machinist, carpenter, or a home DIY enthusiast, you can from it.

Colour:As Shown
Material:high speed steel

Package Contents:
5 * step drill bits