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3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic
3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic 3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

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Product details

Management number 219065224 Release Date 2026/05/03 List Price $9.50 Model Number 219065224
Category
  1. Power & Hand Tools
  2. Power Tool Parts & Accessories
  3. Power Drill Parts & Accessories
  4. Drill Bits
  5. Twist Drill Bits
  6. Long Length Drill Bits
  • Accurate Dimensions for Targeted Drilling: Engineered to a precise cutting diameter of 3/8" and an overall length of 18", these drill bits deliver the exactness required to tackle a diverse array of drilling jobs with consistent results.
  • Long-Lasting Black Oxide Finish: Equipped with a black oxide coating and a 135° split point construction, these bits boast a 50% longer service life compared to standard HSS bits. They strike an optimal balance between hardness and toughness, significantly boosting resistance to wear and tear.
  • Broad Range of Practical Uses: Built for versatility, these aircraft extension drill bits excel at accessing hard-to-reach areas in materials such as sheet metal, stainless steel, aluminum, copper, and beyond. This makes them an ideal choice for a wide spectrum of projects, both professional and DIY.
  • Improved Lubricity via Black Oxide Treatment: The black oxide treatment not only enhances lubricity but also forms tiny pockets on the tool's surface. These pockets hold coolant close to the cutting edge, effectively boosting drilling efficiency.
  • Efficient Chip Removal Design: Featuring a right-hand cut pattern, these spiral-fluted tools lift and clear chips upward and away from the cutting zone. This minimizes the chance of clogging during drilling operations, ensuring smooth and uninterrupted work.

Model US155180308
Brand Name YOKOCUT
Shank Type Round
Unit Count 1.0 Count
Part Number US155180308
Finish Types Black Oxide
Manufacturer YOKOCUT
Material Type Cobalt Steel
Tool Flute Type Spiral
Cutting Diameter 0.38 Inches
Number of Flutes 2
Number of Pieces 1
Included Components Long Drill Bit
Cutting Angle String 135 Degrees
Surface Recommendation Steel, Hard Metal, Cast Iron, Aluminium, Stainless Steel, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

3/8 Inch x 18 Inch Drill Bit – Long Drill Bit, Industrial Black Oxide Coating – Cobalt Aircraft Extension Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic

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