Black Finish Jobber Drill Set Metric: 1.0 - 10.0 x 0.5mm Rises | 19pc Width 13 mm the hardness at high temperatures)

the hardness at high temperatures)

Optimised geometry to cut paper and card

Type: Semi Chisel

WHEN USING TCT DECK BITS IN COMPRESSED FIBRE CEMENT SHEET

low and high steel alloys

Black Finish Jobber Drill Set Metric: 1.0 - 10.0 x 0.5mm Rises | 19pc Width 13 mm the hardness at high temperatures)Black 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 Metric: 1. 0 10. 0 x