Cobalt Drill Bits for Metal and Steel, Cobalt Step Drill Bit Set for Hardened Steel, M35 Titanium Nitride Coated 5% Cobalt Twist Drill Bits Set for Stainless Steel, 20 Pcs 1/16"

20 Piece Cobalt Drill Bits Set: Includes metal drill bits:1/16"(*2), 5/64"(*2), 3/32"(*2), 7/64"(*2), 1/8"(*4), 9/64"(*2) and cobalt step drill bits 5/32", 3/16", 7/32", 1/4", 5/16", 3/8"
M35 Cobalt High Speed Steel: M35 titanium nitride coated drill bits have excellent wear resistance and thermal stability, suitable for drilling materials with higher hardness, ensuring superior performance
Specifically Crafted Bullet Head Design - sharp and self-centering tip minimizes deflection and provides precise and accurate drilling
135°Split Point: The 135° Split-point tips drill is automatically centered and penetrates quickly with less pressure, drilling more accurately and faster. Twist design for smoother chip removal
Multiple Applications: Suitable for drilling holes in metal materials such as stainless steel, die steel, aluminum alloy, cast iron, copper galvanized pipes, etc. Applicable models: lithium electric drill, hand drill, bench drill, etc.
Please pay attention to maintain 90° drilling. When drilling carbide, try to use water cooling to prevent the drill bit from overheating and causing breakage. In the event that you are not completely satisfied with your purchase for any reason, please reach out to us，we will provide services to you

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