Irwin 1-1/2X18X23 Spline 4 Cutter Drill Bit

Fits all spline rotary hammers. Patented flute geometry removes dust from the hole quicker for fast drilling and long life. Shot-peened, double-tempered finish reduces breakage. Copper braze material gives high heat resistance for reduced tip loss. Chrome vanadium shaft through-hardened to 50-53HrC

Attributes:

Cutting Diam [Nom] = 1 1/2 in, Flute Length = 18 in, Height [Nom] = 1 1/2 in, Length [Nom] = 26 in, Overall Length [Nom] = 23 in, Type = Drill Bit, Width [Nom] = 1 3/4 in, Wt. = 4.06 lb. (5 EACH = 1 PACK)