STONEGO Countersink Drill Bit - 12mm, 16mm, 19mm Diameters, 1/4" Hex Shank, 90° Chamfer Tool for Woodworking

Upgrade your woodworking and DIY toolkit with the STONEGO Countersink Drill Bit Set, crafted from durable carbon steel and designed for precision, efficiency, and smooth performance. This 3-piece set includes essential sizes for preparing clean 90° countersunk holes in materials like wood, rubber, aluminum, and plastic.

Each bit features a 5-flute cutting design to reduce vibration, improve control, and extend tool life. The universal 1/4" hex shank ensures compatibility with most handheld and drill press systems.

Key Features:

Universal Fit:
1/4" hex shank fits most handheld drills, impact drivers, and drill presses for quick and easy bit changes.

Precision 90° Chamfering:
Engineered with a ground 90-degree tip for clean, accurate countersinking on multiple surfaces.

Five-Flute Design:
Reduces chatter and vibration for a smoother cut and longer bit lifespan.

Corrosion-Resistant Coating:
Black oxide finish adds durability and rust resistance.

🪵 Multi-Material Capability:
Perfect for woodworking, plastic shaping, soft metal, and rubber hole prep.

Specifications:

• Brand: STONEGO

• Material: Carbon Steel

• Type: Countersink Drill Bit

• DIY Supplies: Woodworking

• Chamfer Degree: 90°

• Shank Size: 6.3mm / 1/4 inch Hex

• Sizes Included:

  • 12mm (0.47") – Length: 43mm

  • 16mm (0.63") – Length: 45mm

  • 19mm (0.75") – Length: 48mm

• Certification: None

• Origin: Mainland China

Package Includes:

• 3 x Countersink Drill Bits (12mm, 16mm, 19mm)

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