Shanghai Fengyue Tools Industrial Co., Ltd. [China]

Detailed Product Description

Four Hollow Square Shank Electric Hammer Drill Bit
Machined from chrome steel fitted with 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. 
For drilling in granite, concrete, stone, masonry, tiles and marble.
Applied with all hammer drills in connection with respective adapters. 
Size: 4.0-30.0mm  Total length:120-505mm