Dewalt DT5059 HSS Extreme 2 Metal Drill Bit 11.5mm x 142mm Loose

Supplied loose from packaging.

Features:

Faster drilling - up to 4x faster than standard HSS-R drill bits
Increased durability - up to 50% stronger than standard HSS-R drill bits
Cleaner, more accurate, burr-free holes due to recessed cutting wings
Innovative tapered web greatly reduces breakage
No-Slip shank with 3 flats eliminates slipping in the chuck (diameters 5.0mm and above only)
Permanent size markings located above the shank for increased visibility
Gold Ferrous Oxide coating prevents overheating for longer bit life
Technical Specification: 
142mm Length
91mm Working Length
11.5 Diameter