1-5/16″ Reduced Shank Drill Bit HSS Black & Gold Reduced 1/2″ 3-Flat Shank KFD3F1-5/16 Time-Limited

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Specs

Diameter: 1-5/16″ (1.3125″)

Material: High-Speed Steel (HSS)

Coating: Black & Gold

Shank: Reduced 1/2″ with 3-flat design

Quantity: 1 piece

Series: Contractor Series

Features

3-flat reduced 1/2″ shank minimizes slipping in 1/2″ chucks, improving torque transfer during heavy cuts.

Black & Gold coating enhances wear resistance and helps manage heat during extended drilling sessions.

Large-diameter 1-5/16″ bit enables efficient hole creation for contractor workloads requiring larger openings.

Shank profile and coating are designed for reliable performance in contractor/worksite environments where rapid material removal is needed.

Overall build: HSS with Black & Gold coating

Shank: Reduced 1/2″ with 3-flat surfaces for secure seating

Intended use: Large-diameter drilling in contractor/worksite environments