Meichoon Step Drill Bit 4-20mm M35 HSS-Co Spiral Groove Hex Shank, Multi-functional Drilling Tool HSS Cobalt Counterbore Hole Cutter for Wood Stainless Steel Cutting DC1602

• M35 High Speed Steel - classic high speed steel with cobalt for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.
• 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.
• 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, especially for stainless steel plate & quenching steel plate.
• Split point tip increases speed. It can automatically deburr holes while drilling to keep the drill bit clean.
• You can use water to cooling it when it is work and it can be used for even longer.

Meichoon M35 Step Drill Bit is made of high speed steel together with cobalt, which lasts the bit a long using life. Features: 1. M35 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. The advanced double spiral flute design outperforms straight flute design and extends the life of the bit. The split point tip increases speed, and they also include laser-engraved measurements to increase step visibility. 5. The sharpness ensure easily cut through most sheet metal, plastic and some other materials with ease, especially for stainless steel plate & quenching steel plate. Specifications: Material: M35 HSS Sizes of the Step Drill Bits: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm Package included: 1 x M35 HSS Drill Bit