DEWALT DT4957-QZ - Extreme 2 - 29pce Cobalt drill set 1-13mm - Brand new in box

The Dewalt 29 piece cobalt drill bit set is 8% cobalt content which helps maintain a sharper cutting edge and delivers a 4X longer life versus DEWALT Black Oxide bits.The optimised tip and flute geometry delivers 2X the penetration speed, versus DEWA... - Manufacturers part numbers: DT4957|DT4957-QZ

• EASY CENTERING: Special centering tip facilitates drilling on various surfaces
• STRENGTH: Reinforced center core offers double breaking strength than conventional HSS-R bits
• SPEED: Optimized propeller and tip geometry provides 2x faster speed and reduces overheating
• EXTENDED LIFE - Cobalt content of 8% gives 4 times longer life than standard HHS-R bits DEWALT
• COBALT HSS 29 PIECE BIT SET: Includes HSS-CO Extreme Cobalt Drill Bits with Helix and Optimized Geometry