Ideashop 10pcs ultimate drill bits are well made, feature with high hardness, pointed drilling, rust resistance, and abrasion resistance. The U shape slot povides a low resistance and fast chip removal, the triangle shank design allows the drill bit to be held tightly and stable in a power drill, suitable for electric drills, bench drills, can be used for all kinds of materials like: glass, porcelain floor tile, marble, granite, etc.

More Features:
▶Highly made from quality cemented carbide, can prevent drill cracking and improves durability.
▶U type slot design an increased opening speed, easy and fast chip removal, save your time and effort.
▶Triangle shanks are constructed for tighter chucking and prevents slip, maximally help to drill precise holes.
▶4 Different sizes fit most cordless, general-purpose, bench, electric and hand drill.
▶Suitable for a various of materials to satisfy your needs of handwork, maintenance, DIY and so on.

Specification:
Material: Cemented Carbide
Color: Orange
Size: 6 mm (1/4 inch), 8 mm (5/16 inch), 10 mm (3/8 inch), 12 mm (1/2 inch)
Weight: 0.34kg/0.75lb

Please Note:
1. It is not recommended to use 12V/24V lithium electric drill/rechargeable drill because of weak power and insufficient torque.
2. For the higher hardness materials like stainless steel, vitrified brick, granite, marble and so on , you need to add water while drilling to ensure the stability and service life of the drill bit.
3. When drilling the wall, you must change the position of the steel bar because the steel bar will cause the bit edge damage.

Package Included:
6 x Ultimate Drill Bit
1 x Storage Case

If you have any questions or confusion about the product, please feel free to contact us. We are glad to provide you with the best service.