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3/8 Inch x 12 Inch Cobalt Aircraft Extension Drill Bit Set (3PCS) M35 High Speed Steel Extra Long Drill Bits for Deep Hole Drilling for Stainless Steel, Hard Metal, Cast Iron, Wood & Plastic

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Product details

Management number 215636995 Release Date 2026/04/12 List Price $16.00 Model Number 215636995
Category
  • 【Drill Bit Dimension】: 3/8"(Drilling Diameter) x8"(Flute Length)x12"(Overall Length) Metal Drill Bits to meet your precise requirements in different projects and machining needs.
  • 【M35 Cobalt High Speed Steel】:Our drill bit made with M35 cobalt (5% cobalt) which provide excellent durability and superior resistance against abrasion and high heat and has a longer service life than ordinary HSS drill bits, making it suitable for high-intensity operations.
  • 【135 degree Split Point】:These cobalt drill bits feature a 135 degree split point tip that automatic centering to prevent "slippage" or "offset", no need to pre-punch the center hole.
  • 【Multiple Application】:Best used for drilling deep hole in metal hard metals, stainless steel, cast iron, steel, titanium alloy, hard plastics, wood and more, and a wide range of applications such as repair, construction, or woodworking.
  • 【Surface Treatment】:The bright finished surface treatment strongthen the hardness of drill bit body to ensure the long drilling life and better drilling performance.
Model B2H0186
Brand Name Riyhch
Shank Type Straight
Unit Count 3.0 Count
Manufacturer Riyhch
Material Type High Speed Steel (HSS) M35
Tool Flute Type Spiral
Cutting Diameter 9.53 Millimeters
Number of Flutes 2
Included Components 3 * M35 3/8 Inch x 12 Inch Cobalt Aircraft Extension Drill Bit Set
Surface Recommendation Alloy Steel, Cast Iron, Metal, Plastic, Stainless Steel, Wood

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