Brand New 39/64″ Reduced Shank Drill Bit HSS Black & Gold Reduced 1/2″ 3-Flat Shank KFD3F39/64

Specs

Diameter: 39/64″ (0.609375″)

Shank: 1/2″ reduced with 3-flat drive

Material: High-Speed Steel (HSS)

Coating: Black & Gold

Series: Contractor Series

Quantity: 1 piece

Features

HSS core designed for robust metal drilling and repeated-use durability

Black & Gold coating reduces wear and helps dissipate heat during cutting

3-flat shank enables secure engagement with flat-sided chucks, improving torque transfer and reducing slip

Precise 39/64″ diameter enables accurate hole sizing for fasteners, bushings, or pilot holes

Contractor Series construction emphasizes resilient performance in demanding work environments

Use cases: drilling through steel and aluminum to create true 39/64″ holes for fasteners, bushings, or pilot holes

Ideal for: machinists, fabricators, and on-site metalworking tasks requiring consistent hole sizing

Physical

Coating: Black & Gold

Shank: 1/2″ reduced, with 3-flat drive

Core material: High-Speed Steel (HSS)