Description:Drillpro 8pcs 1/2 Inch shank HSS twist drill bit, including 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1".
Specification:
| Type |
#1 Bag
#2 Aluminum box |
| Material |
HSS 4241 |
| Hardness |
HRC61 |
| Shank diameter |
1/2" |
| Flutes diameter |
9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1" |
| Length |
150mm |
| Quantity |
8pcs |
Features:For general using drilling in wood, aluminum, malleable iron, steel, plastic etc.
Material for high-speed steel 4241, higher wear resistance, toughness and bending resistance.
Increase the groove, chip more smoothly, drilling fast.
Sharp head, through a special grinding edge, to speed up the punching speed.
Full grinding process, the surface is more smooth, more smooth groove, processed products less burr.
Package Included:8 x Drill Bits
More Details:
