Description
Bordo Drill Bit - 1/2" X 21.50mm - 2654-21.50
High Speed Reduced Shank Twist Hss DRILL
- Bordo Industrial TOOLS
- Surface finish: bright/Black
- Material: HSS
- Point type: 118?? notched point
- Flute type: 30?? helix
- Shank diameter: 1/2"
- Packaging: clam shell
Notes :
Suitable for Wood, metal ,brass, aluminium, stainless steel and plastic ...
Bright/BlackFinish
These drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating. This surface aids chip flow and heat dissipation. The drill is then ground a second time to achieve a bright finish on the shank and cutting edges.
Notched Point
A variation on standard chisel point providing faster starting and reduced drill wander. Suitable for general purpose drilling.