Black Finish Jobber Drill Set Imperial: 1/16 - 3/8 x 1/64" Rises | 21pc Bi-Metal Bandsaw TiAlN offers higher temperature resistance

TiAlN offers higher temperature resistance than TiN

their superior multi-facet tungsten carbide tip enables them to drill most materials of this type

WHEN USING TCT DECK BITS IN COMPRESSED FIBRE CEMENT SHEET

Ripper Heavy Duty Tungsten Carbide Tipped Hole Saws

Black Finish Jobber Drill Set Imperial: 1/16 - 3/8 x 1/64" Rises | 21pc Bi-Metal Bandsaw TiAlN offers higher temperature resistanceBlack Finish Jobber Drills (also called blue finish) acheive their distinctive colour by steam tempering, a thermal process resulting in a porous tool coating. This surface helps to keep lubricant on the tool, particularly important on the cutting edges, thus reducing friction and cold welding. The 118 Split Point drills are self centering and ideal for use in materials such as mild steel and cast iron. Black Finish Jobber Drills Imperial: 1 16 3 8 x