Masonry drill bit irwin 4x80mm

Super acute diamond sharpened hard metal for speedier boring. Patented design of a turn for quicker removal of dust, which allows avoiding drill seizing. Professional treatment of the drill surface, additional protection against wearing. Particularly durable chromium-vanadium steel with increased amount of carboniferous, harder tempering, more enduring drill. Patented vacuum brazing of hard alloy plate at 1100 °C assures effective work even under severe conditions. Heavy-duty plastic packing and trade stands for comfortable trading.

Manufacturer: IRWIN | Diameter, mm: 4 | Working Length, mm: 45 | Overall length, mm: 75 | Shank / chuck type: Straight