Description
Drillco 420A144 11/16 Bridge Reamer Taper Shank is designed for precise hole enlargement and alignment in demanding structural applications, including bridgework, ship construction, and heavy steel fabrication. This reamer features a pilot-type point for accurate hole entry and alignment, even in small or slightly misaligned openings. The 3-flute design improves centering ability, while the combination of a reduced shank and triple flutes makes it ideal for portable applications.
Features:
- 11/16″ bridge reamer with taper shank
- Pilot-type point ensures precise alignment
- 3-flute design enhances centering and cutting stability
- Reduced shank design for portable tool compatibility
- Made from durable high-speed steel (HSS)
Benefits:
- Enlarges and aligns holes with exceptional precision
- Handles heavy-duty structural steel applications
- Improved centering reduces chatter and improves finish
Technical Specifications:
- Model: 420A144
- Size: 11/16″
- Shank Type: Taper Shank
- Flutes: 3
- Point Type: Pilot
- Material: High-Speed Steel (HSS)
- Application: Hole enlargement and alignment in steel fabrication





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