Countersink Drill Bit Set — M2 HSS, 5-Flute, 1/4" Tri-Flat Shank (5-Piece)
Countersink Drill Bit Set — M2 HSS, 5-Flute, 1/4" Tri-Flat Shank (5-Piece)
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Clean countersinks for flush-mount screws. These M2 HSS bits feature a precision-ground 82-degree tip and five-flute design that reduces vibration for smooth, accurate countersinking in wood, mild steel, fiberglass, and plastic.
1/4" tri-flat shanks grip securely in standard power drills. Aluminum carrying case for organized storage.
82-Degree, 5-Flute Design Five cutting flutes reduce vibration for smoother countersinks. Precision-ground 82° tip for flush fastener seating.
M2 HSS Material High-quality M2 high-speed steel for extended bit life in wood, soft metals, fiberglass, and plastic.
Aluminum Case Carrying case for organized storage and quick size identification.
What's Included
- 5× Countersink Bits: 1/4", 3/8", 1/2", 5/8", 3/4" (1/4" tri-flat shank)
- Aluminum Carrying Case
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What are your sizing options?
This product does not require sizing. However, if you’re shopping for wearables or accessories on our store, detailed size charts are available on each product page to help you find the perfect fit.

