Bosch HCBG21 Granite Hammer Drill Bit 5/8"X12" Diamond 6"x1" - Coarse

6"x1" - Coarse

For 4" inside diameter or larger wells

Includes an angled carbide cutter that produces a slicing action for chip-free

Heat-Resistant filter system captures the finest dust and ash

marine and commercial applications

Bosch HCBG21 Granite Hammer Drill Bit 5/8"X12" Diamond 6"x1" - Coarse"BLUEGRANITE" HAMMER DRILL BIT Hammer drill bit Straight shank Carbide tipped Dia. xo. a lgth. ins.: 5 8 x 12 Bit has low voltage, high temperature brazing which prevents the carbide cutting edge from breaking out even when heat builds up during deep drilling Drill bit is used for fast impact drilling in concrete, stone and masonry.