Drillco bridge reamer details
Drillco 3/4 Bridge Reamer Taper Shank (420A148)
Drillco 420A148 3/4 Bridge Reamer Taper Shank is built for precision reaming in heavy-duty applications such as bridgework, ship construction, and structural steel fabrication. Designed to deliver extreme accuracy of diameter, this reamer features a pilot-type point for precise alignment and smooth entry into small or off-center holes. Its 3-flute configuration enhances centering ability and reduces chatter, while the combination of a reduced shank and 3-flute design makes it ideal for portable reaming operations. Engineered from high-quality materials, it delivers consistent performance and long service life under demanding industrial conditions.
Precision 3/4-inch bridge reamer with taper shank
Pilot-type point for accurate alignment and easy entry
3-flute design for improved centering and cutting stability
Reduced shank for use in portable reaming applications
Supports common countersink angles: 60°, 82°, 90°, 100°
Durable construction for industrial-grade performance
Ensures precise and clean hole finishing
Minimizes chatter for smoother operation
Improves efficiency in field and shop reaming tasks
Reliable for repeated heavy-duty use
Versatile for multiple fabrication and construction needs
Technical Specifications:
Shank Type: Taper shank
Point Type: Pilot-type
Supported Countersink Angles: 60°, 82°, 90°, 100°
Applications: Bridgework, ship construction, structural steel fabrication
Product identification
- Brand: Drillco
- Model / MPN: 420A148

