Eagle Cutting Tool 1080-055-D Hss Drill Bit 55/64 in

Product Description

The EAGLE CUTTING TOOL 1080-055-D is a 55/64 inch high-speed steel (HSS) screw machine length drill bit with a 1/2 inch reduced shank. Screw machine length drills are shorter than jobber-length bits, providing greater rigidity and reduced deflection in production drilling and tight-clearance applications. The 1/2 inch shank accommodates standard drill chucks and collet holders commonly found in drill presses, lathes, and CNC machinery. Manufactured in the USA, this bit is suited for machinists, maintenance mechanics, and trade professionals drilling through ferrous metals, plastics, and general shop materials.

This drill bit is appropriate for production environments, machine shops, and industrial maintenance applications where a rigid, reduced-shank bit is required. The screw machine length profile makes it well suited for drill press work, turret lathes, and multi-spindle setups where overhang must be minimized. It handles repetitive through-hole drilling in steel, aluminum, cast iron, and similar materials under standard cutting speeds and feeds.

Key Features

• 55/64 inch cutting diameter for precise, on-size holes
• High-speed steel (HSS) construction for durability across ferrous and non-ferrous materials
• Screw machine length for increased rigidity and reduced deflection
• 1/2 inch reduced shank fits standard chucks and collet holders
• Manufactured in the USA

Compatibility

Designed as a direct-fit replacement or addition for any drill press, lathe, or CNC setup accepting a 1/2 inch shank toolholder and requiring a 55/64 inch diameter screw machine length drill bit.

Installation Notes

Installation is performed by machinists or qualified maintenance mechanics. Secure the shank fully within the chuck or collet and verify concentricity before drilling. Ensure the workpiece is firmly clamped and the machine is at a full stop before changing or adjusting tooling. Apply appropriate cutting fluid when drilling ferrous metals to extend tool life and maintain hole quality.

Technical Specifications

• Cutting Diameter: 55/64 inches
• Shank Diameter: 1/2 inches
• Drill Style: Screw Machine Length
• Material: High-Speed Steel (HSS)
• Country of Origin: USA
• Weight: 0.69 pounds

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: 1080-055-D