WONAIER HSS Cobalt Drill Bit Double End 1/8”, M35 Stubby Body Twist Drill Bit Set for Hardened Metal, Stainless Steel, Iron, Plastic and Wood 10Pcs($9.99Value)

Description

[DOUBLE END DRILL BIT SIZE]: 10 pcs Cobalt Drill Bit Set,7 sizes to choose from. [MATERIAL]: double end drill bit made of high-speed steel and 5% COBALT,HSS Cobalt Material is the best hardened material for drilling longest life. [DOUBLE END CUTTING POINT]: Double ended design comes with double durability,promoting the efficiency of drilling holes. [135 DEG. ANGLE]: with 135 degree self-centering tip, walking and makes drilling precise and faster. No center punch is needed,helping you to drill through surfaces with ease. [WIDELY APPLICATION]: Drill through stainless steel,cast iron, copper,aluminum alloy and other metal materials，hard plastics and woods. * 2 Cutting Point: Double end drill bits (2 Cutting Point) enable drilling for much longer life and more economic in application.
* Cutting Point Angle: With 135 degree split point drill bits, prevents drill from walking, better self-centering and reduce thrust.
* Flute Type: Spiral twist flute keeps the fast chips-removing and easy penetrating.
* Easy to Carry: Our cobalt cutting drill bit is small and lightweight, can put it in your pocket, easy to carry and convenient to apply.
* Straight Shank Drill Bits: A plastic case with 10Pcs drill bits, 7 sizes for you to choose: 3mm/0.12", 3.2mm/0.125", 3.5mm/0.14", 4mm/0.16", 4.2mm/0.165", 5mm/0.196", 5.2mm/0.2"

5% Cobalt Drill Bits:
Cobalt increases the strength of the steel makes it more heat-resistant, the important factor for drilling hard materials, because the friction of metal against metal can produce high temperatures that damage the material or the drill bit.

Useful Tool:
Our Hss co drill bits can do great works of drilling in various of metal material in DIY Home use or industry use. Double bits, and Bits are precision ground, for drilling holes in many different materials, such as Stainless steel, general steel, metal, iron, copper, aluminum, plastic...