5pcs Sds-max Cemented Carbide Hammer Drill Bit Set 6-8-10-12-14mm Double Flute Cross-head Round Shank

Description

Specifications that can be punched: 6mm, 8mm, 10mm, 12mm, 14mm. Hammer bit SDS-MAX, double flute, cross head. Sharp and durable, high frequency quenching, quick chip removal. Drill body 40CR steel, hardness 52-55, head YG8C tungsten steel alloy hardness 82, high efficiency, durability and long life, saving the cost of consumables. Widely used in the construction industry, suitable for all kinds of brick walls, concrete, stone granite, etc.