SDS Hammer drill bits,double flute.

Shank type: SDS Plus, SDS Max, Spline shank.

Features:
1. tungsten carbide tip, Standard four flute design
2. Diameter:3mm-30mm; total length: 110-1000mm
3. Cross head, three cutting edges and double flute available.
4. For drilling in granite, concrete, stone, masonry, tiles and marble.
5. The electric hammer drill bits are machined from chrome steel or ally steel fitted with tungsten carbide insert brazed at a very high temperature to withstand severe heating when drilling hard materials. L-shaped flute profile improves dust discharge. Sand blasted surface. Other industrial surface finish available.