Black & Gold Drill Bit 21/32, 1/2 Shank

Black & Gold Drill Bit — 21/32" with 1/2" Shank

High-performance 21/32" drill bit with a 1/2" shank for reliable grip and reduced runout in standard drill chucks. The black oxide coating provides corrosion resistance and extended tool life for precision drilling in steel, cast iron, and general-purpose materials. Professional-grade construction delivers consistent results across repeated use — ideal for maintenance work, fabrication, and repair applications where accuracy and durability matter.

Key Features

• 21/32" cutting diameter with 1/2" shank for standard chuck compatibility
• Black oxide coating for corrosion resistance and extended tool life
• Reduced runout for precise, accurate hole placement
• Professional-grade construction for consistent, repeated-use performance
• Suitable for steel, cast iron, and general-purpose materials

Common Applications

• Industrial maintenance and fabrication tasks
• Equipment repair and assembly work
• Drilling in steel and cast iron
• Construction and contractor applications

Size: 21/32" | Shank: 1/2" | Coating: Black Oxide / Gold | Type: Drill Bit | Sold by Chem Nut Supply