【Product Brand】: MAIKIDA & nbsp; & nbsp;

【Specifications】: a variety of diameter specifications

product descriptionConstruction drill is hammer drill cement drill collectively. Used for openings such as concrete, walls and other workpieces. The general shape of the straight handle, head welding with alloy knife head. No edge of the blade. Only slot

【Material】: the use of high-quality 40CR steel and raw materials YG8C carbide as raw materials processing, on the basis of high-quality materials, the high temperature quenching,

Extremely improved hardness, coupled with a series of surface treatment, is the product from the appearance to use, than the average medium carbon steel drill bit more beautiful, longer life.

Contact: Manager Zhang
Contact phone: 15869255528
Fixed telephone: 0579-85184395