Professional 370mm Diamonds Hole Opener For Hard Brick Concrete And Masonry Concrete Core

Using high hardness alloy materials, it has excellent wear resistance and compression resistance, and can easily drill through concrete and steel bars, with a drilling diameter of up to 50mm. The unique center guide tip design ensures during drilling, reduces deviation, and improves drilling efficiency. This water has improved by 20%, enabling every hole home decoration and professional construction to achieve ideal result. Builtin quick drainage channel effectively reduces impact force and frictional heat, extending service life by up to 30%. This feature is particularly suitable for projects that require a large number of perforations, ensuring stability and reliability even after long-term use. Professional 370mm Diamonds Hole Opener For Hard Brick Concrete And Masonry Concrete Core Features Using high hardness alloy materials, it has excellent wear resistance and compression resistance, and can easily drill through concrete and steel bars, with a drilling diameter of up to 50mm. Th