3/16 in. x 12 in. Cobalt Aircraft Extension Drill Bits Set(5PCS), M35 High Speed Steel Drill Bit Extra Long Deep Hole Drilling for Stainless Steel, Plastic and Wood

★★★★★ 4.4 26 reviews

US$11.40
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US$11.40
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Free shipping Free 30-day returns

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Management number 218149697 Release Date 2026/05/03 List Price US$11.40 Model Number 218149697
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VALYRIANTOOL Cobalt Drill Bit Aircraft Extension Long Deep Hole drilling for 6 Inch or 12 Inch Overall Length: Make Easy for Deep Hole Drilling Stainless Steel, Generaly Steel, Alloy Steel, Metal, Iron, Copper, Plastic... Designed to work for all Metalworking, Industrial Projects, DIY Home or Workshops Reparing, Maintenance Works. This Drill can do great works of drilling in various of metal material in DIY Home use or industry use. Bit is precision ground.

  • 5PCS 3/16" Cobalt Drill Bits: 5PCS - 3/16"(Drilling Diameter) x2-5/16"(Flute Length)x12"(Overall Length) Metal Drill Bits. This drill bit fits the majority of power drill currently on the market
  • M35 Cobalt High Speed Steel: Industry grade M35 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability
  • Fully Ground Process and 135 degree Split Point: Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135 degree split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed
  • Multiple Application: Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. Pay attention to speed, pressure and heat control during drilling
  • 90 Days Warranty: If you are not fully satisfied for any reason, please contact us for 100% refund or replacement
Brand Name VALYRIANTOOL
Shank Type Straight
Unit Count 5.0 Count
Part Number VACOBALT
Finish Types Uncoated
Manufacturer VALYRIAN TOOLS
Material Type Cobalt, Cobalt Steel, High Speed Steel (HSS)
Tool Flute Type Spiral
Cutting Diameter 0.19 Inches
Number of Flutes 2
Cutting Angle String 135 Degrees
Surface Recommendation Alloy Steel, Copper, Iron, Metal, Plastic, Stainless Steel, Wood

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