Expert Quality, tested to 10k V, suitable for working on live circuits of 1k V AC & 1.5k V DC. Chrome molybdenum
...Straight shanks with forged flutes with cobalt tips with passivated finish. Suitable for drilling a variety of material including brick, concrete, steel, wood and plastic.
Caution: These drill bits are not to be used with hammer action.
...
Straight shanks with forged flutes with cobalt tips with passivated finish. Suitable for drilling a variety of material including brick, concrete, steel, wood & plastic.
Caution: These drill bits are not to be used with hammer action.
...