Carbide drill tip for hammer and masonary drills are currently being supplied to the best drill makers of the world. TypeDimension(mm) Approx unit weight(g) ltsYG6YG8YT5YT14 We can provide for scraping snowflakes,coal geological drilling drill,impact drill rotary drilling using by the grade YG4C,YG8C,YGF11C,YK15,YK20,YK30 and so on.TypeDimension(mm) Approx unit weight(g) ltsYG6YG8YT5YT14