DEWALT 1/2-in x 12-in Black Oxide Coated HSS Twist Drill Bit

Regular price $20.28

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1/2-in x 12-in HSS Black Oxide Aircraft-Length Drill Bit

This DEWALT aircraft-length twist drill bit features high-speed steel with a black oxide coating for wear resistance and durability. A 135-degree split-point tip starts on contact to reduce walking, while its parabolic flute design improves chip ejection in metal and wood.


Key Features:

  • Durable Construction: High-speed steel with black oxide coating resists wear and friction
  • Fast, Accurate Starts: 135° split-point tip drills on contact to minimize walking
  • Improved Chip Ejection: Parabolic flute design clears debris efficiently in metal and wood
  • Aircraft Length Reach: 12-in overall length for deep or hard-to-access drilling
  • Versatile Use: Round 3/8-in shank compatible with most drills; suitable for metal, wood, PVC, fiberglass, and stainless

Specifications Table:

Specification Details
Type Aircraft length twist drill bit
Material Black oxide coated HSS (black and gold)
Package Quantity 1
Shank Type Round
Bit Diameter 1/2 in
Bit Length 12 in
Maximum Drilling Depth 4.64 in
Shank Size 3/8 in
Heavy Duty Yes
Hand Right handed
Set/Individual Individual
Tip Geometry 135-degree split point
Brand/Model Compatibility Universal
Compatible Tool Drills; compatible with impact drivers
For Use on Metal Yes
For Use on Wood Yes
For Use on Fiberglass Yes
For Use on PVC Yes
For Use on Stainless Steel Yes
Warranty None
Prop 65 Warning Yes
UNSPSC 20121600

Frequently Asked Questions (FAQ):

Q: What tools is this bit compatible with?
A: It has a round shank and works with standard drills; it’s also noted as compatible with impact drivers.


Q: What materials can I drill?
A: Rated for metal, wood, PVC, fiberglass, and stainless steel.


Q: What is the tip angle and benefit?
A: A 135-degree split point helps start holes on contact and reduces bit walking.


Q: What are the dimensions?
A: Bit diameter is 1/2 inch with a 12-inch length and approximately 4.64-inch maximum drilling depth.


Q: Is this a single bit or part of a set?
A: It is sold individually (package quantity 1).


Sleek Precision for Industrial-Cool Projects

The rich black-and-gold finish lends an industrial elegance to your workshop, marrying style with unwavering performance. I love the elongated aircraft length—its slim, refined profile reaches with confidence where standard bits can’t. Pair it with a matte-black drill for a cohesive, couture tool aesthetic as you craft custom shelving or metal accents. It’s the chic essential that elevates function to a luxe experience.


Upgrade your kit with this DEWALT aircraft-length bit for fast starts, clean holes, and durable performance in tough materials.

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