Black & Gold Drill Bit 39/64, 1/2 Shank

Precision drill bit engineered for demanding industrial applications. The 39/64" cutting diameter delivers exact hole sizing for metal, wood, and composite materials, while the 1/2" shank fits standard drill chucks for secure, vibration-free operation. Black & Gold construction provides superior hardness and heat resistance, extending tool life and reducing downtime. Ideal for maintenance crews, fabrication shops, and equipment assembly work where accuracy and durability matter.