Teocpai 6 pieces HSS countersink drill bit, 90° HSS countersunk head, deburring, cylindrical screw tool, suitable for DIY 6.3/8.3/10.4/12.4/16.5/20.5 mm

• High Quality Material The cutters are made of high speed steel with high frequency quenching for heat treatment, which has the advantage of preventing rust and resisting wear.
• Size: 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm.
• PACKAGING Includes 6 pieces wood metal against drill holes, designed to deliver excellent results when drilling through metal and wood.
• Design: the 3-groove design of our cutter drill allows faster and smoother cutting, reducing the risk of chipping or splitting when drilling hard materials, deburring tools ensure smooth flow of chips, fast cutting, no burrs, more concentric and easier to use. This design also reduces the amount of heat generated during drilling, extending the service life of the life of the mm. che
• Wide application: this drill set for wood and metal working is suitable for a variety of materials, with a hardness of 25 degrees lower than the workpiece, such as carbon steel, sheet iron, insulation boards, including metal and wood, making it a versatile tool for any workshop.

Specifications: Material: HSS4241 steel with titanium coating. Heat treatment: high frequency hardness, improve hardness. Angle: 90 degree Sizes: 6.3mm/8.3mm/10.4mm/12.4mm/16.5mm/20.5mm. Product Features: The round shank fits most portable and stationary drills. Sharp and smooth edge, high work efficiency. Three-shaft design reduces vibration for smooth drilling and longer life. Precision ground 90 degree tip for milling most machinable metals such as aluminum, wood, rubber and plastic. Suitable for openings in wood, drilling, chamfering, screw heads, etc. Package includes: 1 x Set of 6 Three Flutes