Professional Grade 55/64″ Reduced Shank Drill Bit HSS 1/2″ Shank D/ARSD55/64

Specs

Diameter: 55/64″ (0.859375″)

Shank: 1/2″

Material: High-Speed Steel (HSS)

Series: D/ARSD

Quantity: 1 piece

Features

Reduced shank design: Large drill diameter paired with a 1/2″ shank to enable use in smaller chucks while drilling.

HSS construction: Provides heat resistance for metal drilling and longer bit life when used with proper feeds and speeds.

Cutting geometry: Optimized for stable chip evacuation and reduced guidance drift in metal-plug drilling scenarios.

Large-diameter capability: Enables 55/64″ holes without resizing tooling on machines with limited chuck capacity.

Use case: Designed for general metalworking environments where large-diameter holes are required and a 1/2″ shank is standard.

Physical

Shank size: 1/2″

Overall diameter (hole size): 55/64″ (0.8593″)

Weight: Not specified

Coating: Not specified

Notes: Information provided as listed; no additional coatings or treatments specified.