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Auniwaig 2pcs Cobalt Drill Bits, 5mm HSS Straight Shank Cobalt Twist Drill Bit, 5% Cobalt M35 Jobber Length Fully Ground Straight Shank, Suitable for Drilling in Hard Metal Stainless Steel Cast Iron

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US$7.61 cheaper than the new price!!

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Product details

Management number 228427669 Release Date 2026/05/31 List Price US$5.08 Model Number 228427669
Category
  • 【Size Reference】Shank / Cutting Edge Diameter: 5mm/0.2 inch. Total length: 80mm/3.15 inch. Our Drill Bits contain 5% cobalt, are fully grounded for a precision drilling diameter.
  • 【Cobalt Steel Steel】Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
  • 【Special Design】Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness.
  • 【Self Centering】Fully ground spiral flute discharge scraps quickly, reduce friction and heat, therefore provides a faster, cooler and more efficient drilling performance. 135° Split Point with straight shank prevents slippage and makes drilling stable and precise. No center punch is needed., fit for standard drill chucks and regular round collet chucks.
  • 【Wide Application】Drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials.
ASIN B096NZMRFD
Model CU4900M2601HF-FBA
Brand Name Auniwaig
Shank Type Straight
Unit Count 2.0 Count
Part Number CU4900M2601HF-FBA
Finish Types Titanium
Manufacturer Auniwaig
Material Type High Speed Steel (HSS)
Tool Flute Type Spiral
Cutting Angle String 135 Degrees
Surface Recommendation Stainless Steel,Cast Iron,Steel

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