Meichoon Step Cone Drill Bit Set 3 Piece 3-12mm/4-12mm/4-20mm, HSS 4241 Titanium Coated Drilling Tool Multi-functional Hex Shank DC06

• HSS & Titanium Coating - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease.
• Good Design - Hex Shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
• It can automatically deburr holes while drilling to keep the drill bit clean.
• Split point tip increases speed.
• A necessity for family or handyman or professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.

Meichoon Titanium Coated Step Drill Bit is made of high speed steel together with titanium coating , which lasts the bit a long using life. Features: 1. High speed steel for longer service life; 2. Hex shank prevents slip in drill chuck; 3. Double cutting blades design enables a faster and smoother cutting; 4. X-type openings design to facilitate the removal of cutting waste when drilling; 5. The sharpness and titanium coating ensure easily cut through most sheet metal, plastic and some other materials with ease. Specifications: Material: High speed steel Sizes of the 3 Step Drill Bits: 10 Step Bit 3-12mm 5 Step Bit 4-12mm 9 Step Bit 4-20mm Package included: 3 x Drill Bit