For use in 1/2" drill chucks
Three-flatted shank for secure grip
Coating: Black Oxide; Material(s): Steel; Size: 3/4" On 1/2" Reduced Shank.

Through-hardened jaws
Durable gripping surfaces
For corded or cordless reversible or non-reversible power drills
Material(s): Steel; Drill Bit Range [Min]: .078; Drill Bit Range [Max]: 1/2".

Patented micro-groove cutting edge and spurs produce a smoother hole finish
Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
All bits have a 1/4" hex shank that fits all drills and 1/4" quick change adapters
Material(s): Steel; Size: 7/8".

Through-hardened jaws
Durable gripping surfaces
For corded or cordless reversible or non-reversible power drills
Material(s): Steel; Drill Bit Range [Max]: 3/8; Drill Bit Range [Min]: .062".

Through-hardened jaws
Durable gripping surfaces
For corded or cordless reversible or non-reversible power drills
Material(s): Steel; Drill Bit Range [Max]: 1/2; Drill Bit Range [Min]: .078".

Patented keyless design
Rugged construction
High mechanical advantage converts hand tightening torque into superior bit gripping force
Ergonomic design
Fast bit changing
No lost key delays
Coating: Black Oxide; Material(s): Steel; Drill Bit Range [Max]: 1/2; Drill Bit Range [Min]: .062".

8% Cobalt for higher heat and abrasion resistance
Heavy-duty web construction for strength and durability
135º split joint begins drilling immediately, minimizing bit "walk"
Tough metal drilliing, including heavy-duty abrasive alloy metal drilling on hardened steel (heat-treated)
Coating: Black Oxide; Material(s): Steel; Size: 5/64; 1/4; 19/64; 5/32; 7/64; Drill Bit Range [Min]: 5/64".

Patented micro-groove cutting edge and spurs produce a smoother hole finish
Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
All bits have a 1/4" hex shank that fits all drills and 1/4" quick change adapters
Material(s): Steel; Size: 5/8".

Titanium Nitride finish causes less friction which increases speed and increases product life by 6X
New SpeedPoint™ tip provides 6X faster initial penetration time than before, and eliminates the need for center punching
Single-fluted cutting edge assures true round holes, and allows greater control with less vibration
Coating: Titanium Nitride; Material(s): Steel; Drill Bit Range [Min]: 1/8; Drill Bit Range [Max]: 1/2".