5Pcs 2‑Flute Carbide Chamfer Spot Drill Bits, with Nano Coated, for Stainless Steel CNC Machining, Countersinking Screws (60°, 12mm)

★★★★★ 4.3 36 reviews

$205.99
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$205.99
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Free shipping Free 30-day returns

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Product details

Management number 216218848 Release Date 2026/04/19 List Price $82.40 Model Number 216218848
Category
  • Precision Starter & Chamfer in One Pass: Achieve perfectly centered starter holes and clean, consistent chamfers simultaneously. Eliminate tool walking and save time by combining two operations into one, ensuring professional results on CNC mills and machining centers.
  • Engineered for Tough Materials: Crafted from solid nano-coated carbide with a hardness up to 65 HRC. These bits are built to last, offering superior wear resistance and heat management when machining stainless steel, titanium alloys, and hardened steels.
  • Rigid Short-Length Design for Accuracy: Features a short overall length (50-75mm) and straight shank for maximum rigidity and minimal deflection. This design ensure greater stability and vibration dampening, leading to smoother finishes and extended tool life.
  • Versatile Size & Angle Selection: Choose from 60°, 90°, or 120° point angles and diameters from 1mm to 12mm to match any project need. The comprehensive set provides the right tool for precise hole positioning, countersinking screws.
  • 2-Flute Efficiency for Clean Cuts: The double-flute, slightly helical design ensures efficient chip evacuation and a smooth cutting action. This reduces clogging and heat buildup, allowing for faster feed rates and a superior surface finish on aluminum, copper, and steel.

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4.3 out of 5
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36 ratings | 15 reviews
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