8.5mm BRT HSS Delta Point Jobber Drill door lock installations

door lock installations

Although these drill bits are not recommended for drilling vitrified porcelain

118º point angles are ideal for use in materials such as mild steel and cast iron

* X-Bits with a diameter greater than 12mm utilise a conventional three piece tungsten carbide arrangement

Manufactured from premium quality high speed steel with double fluted ground cutting edges for long service life

8.5mm BRT HSS Delta Point Jobber Drill door lock installations8. 5mm Delta Point Bright Finish HSS Twist Drill Bordo Metric Delta Point M8. 5 HSS Twist Drills. DIN338 Delta Point drills have a multi faceted cutting tip. Rather than try and modify existing point types, or tweak the grind angles, Delta Point tip design required a revolutionary re think of drill tip function. The overall length of the cutting edge significantly exceeds that of conventional drills. This means more edge doing the cutting and the