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Luckyway Cobalt Drill Bit Set 21 PCS 1/16"-1/2" with Bullet Point Tip and Countersink Drill Bit 4 PCS 1/4"-5/8", TiAlN Coated for Hardened Metal, Mild Steel, Stainless Steel

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Product details

Management number 215637442 Release Date 2026/04/12 List Price $22.00 Model Number 215637442
Category
  • 【21-Piece Cobalt Drill Bit Set Pro】- Includes metal drill bits: 1/16"(*2), 5/64"(*2), 3/32"(*2), 7/64"(*2), 1/8"(*2), 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 1/2"; 1pc 2 Inch PH2 Screwdriver Bit for free
  • 【4-Piece Cobalt Countersink Drill Bits Set Pro】- Includes 1/4", 3/8", 1/2", 5/8"; Meets all requirements of the matching drill bit
  • 【All Made 5% Cobalt M35 HSS】-Engineered for stainless steel, alloy steel, and other hard metals. Designed specifically for hard materials
  • 【Titanium Aluminum Nitride Coating】 - Increases surface hardness to 94HRC with outstanding heat-resistance, so your drill bit cuts fast and stay sharp
  • 【Specifically Crafted Bullet Point】 - Sharp and self-centering tip minimize wandering and provides precise and accurate drilling. Compared with the ordinary drill, this kind of drill is easier to use for metal drilling
  • 【3-Flute spiral groove Design for Smooth Cuts】- Countersink drill bits with 3-Flute spiral groove geometry reduces vibration, distributes cutting forces evenly, and ensures stable, smooth cuts with minimal burrs—perfect for counter sink bit for hard metal.
  • 【Universal Shank Design】- 3-flats shank for metal drill bit to reduce spin-out in the chuck; 1/4" hex shank for countersink drill bit fits drills and electric screwdrivers securely.
  • 【90 Days Warranty】 - In the event that you are not completely satisfied with your purchase for any reason, please reach out to us, and we will gladly provide a 105% refund or replacement.

Model T00191A
Brand Name Luckyway
Shank Type 3-Flat
Unit Count 26.0 Count
Point Style Pilot Point
Finish Types Titanium Aluminum Nitride
Manufacturer Zhenjiang Luckyway Tools Co.,Ltd
Material Type High Speed Steel (HSS)
Tool Flute Type Spiral
Number of Flutes 2
Included Components metal drill bit and countersink drill bit set
Cutting Angle String 135 Degrees
Surface Recommendation Stainless Steel

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