Artu-Usa 01165 Multi-Purpose Bit, 7/16" x 16" Foam Thermoplastic with automatic damper

Thermoplastic with automatic damper

30 (1") spaces

Matte purple nylon frame

Roller D x W: 1"x1/4"

Lacquered for corrosion protection

Artu-Usa 01165 Multi-Purpose Bit, 7/16" x 16" Foam Thermoplastic with automatic damper"Artu Usa" Multi Purpose Bit For rotary and percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip for increased strength and extra hardness. Special negative back grinding enables tip to bore through steel, wood, tile, marble, porcelain, glass, concrete, plastic and cast iron with a filing action rather than a cutting action. No center punch required, eliminates walking. Withstands temperatures up to 1900 degrees