Description
- ✅ UPGRADE PATENT SPIRAL FOUR FLUTE – Our 4-flute design prevents the metal filler from splashing everywhere, and removes the swarf easily, so as to achieve smoother drilling.
- ✅ 118° X TYPE OPENINGS DESIGN – Ensure a faster and smoother drilling; 1/4"(6.35mm) hex shank design eliminate slipping in drill chuck, prefect for drilling holes in plastic, aluminum, copper, wood, sheet metal, mold steel and other surfaces.
- ✅ DURABLE TITANIUM COATED & HSS 4341 – The step drill bit is made of upgraded 4341 high speed steel. Coated by titanium, improve the wear and corrosion resistance.
- ✅ MULTIFUNCTIONAL CONE DRILL BIT – Not only expanding holes, but also deburring, chamfering and cutting. Applied to impact drivers, drill press, and power drills/drivers.
- ✅ WHAT YOU GET – SS SHOVAN 3PCS step drill bits(contain 3 size: 4-12mm, 4-20mm and 4-32 mm) and a canvas bag. It is an indispensable tool for carrying out precision work with good control of the hole diameter. Perfect for DIY lover!
