63/64″ Reduced Shank Drill Bit Cobalt 1/2″ Reduced Shank D/ACO63/64 Special Discount
Original price was: $67.14.$34.91Current price is: $34.91.
Specs
Diameter: 63/64″ (0.984375″)
Shank: 1/2″ reduced shank
Material: Cobalt drill bit (cobalt alloy; HSS variant designed for hard metals)
Quantity: 1
Designation: D/ACO
Features
Cobalt composition offers increased heat resistance and wear life for drilling hard metals, including stainless steel and alloy steel.
63/64″ diameter yields a near-1″ bore suitable for structural and fabrication tasks in metalworking.
1/2″ reduced shank design preserves the drill body diameter, supporting precise hole geometry during use.
Engineered for metalworking reliability in high-temperature environments and when brittle materials are involved.
Designation D/ACO indicates the specific cobalt alloy geometry optimized for repeated drilling in tough metals.
Physical
Shank: 1/2″ reduced shank
Body diameter: 63/64″ (≈0.984″)
Overall length: Not specified
Material: Cobalt drill bit (cobalt alloy/HSS variant)
Design: D/ACO





