Precision. Achieve clean, professional countersinks and chamfers in wood and plastic with this 3-piece five-blade countersink bit set. The 1/4 in (6.35 mm) hex shank ensures secure grip and quick changes, while the blackened finish and high-frequency quenching deliver durability for DIY and woodworking projects.

Specifications:

• Set Includes: 3 pieces - 12 mm (0.47 in), 16 mm (0.63 in), 19 mm (0.75 in)
• Shank Diameter: 6.35 mm (1/4 in) hexagonal shank
• Overall Length: 42–47 mm (1.65–1.85 in)
• Type: Countersink drill bit / chamferer, 90° five-blade design
• Surface Treatment: Blackening treatment for corrosion resistance
• Heat Treatment: High-frequency quenching for improved hardness and wear resistance
• Scope of Application: Designed for chamfering holes in low-hardness boards such as wooden and plastic boards. Not for use on metals.
• Package: Plastic bag
• Intended Use: Wood drilling, countersinking, chamfering for DIY and professional woodworking

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Safety Notes:

These tools have sharp cutting edges. Always wear eye protection and gloves when drilling. Secure the workpiece and use appropriate speed and feed to avoid kickback. Keep out of reach of children.