Drillco 1-5/8 Bridge Reamer Taper Shank (420A240)
Drillco 420A240 1-5/8 Bridge Reamer Taper Shank is designed for precision hole enlargement in bridgework, shipbuilding, and structural steel fabrication where exact diameter accuracy is essential. The pilot-type point ensures accurate alignment and smooth entry into small or off-center holes, while the 3-flute design improves centering and delivers a cleaner finish. Its reduced shank makes it especially suitable for portable drilling applications.
Pilot-type point for precise alignment and easy entry
3-flute configuration enhances centering and reduces chatter
Reduced shank for compatibility with portable drilling tools
Common countersink angles: 60°, 82°, 90°, 100°
Durable construction for demanding steel fabrication work
Achieves consistent, accurate hole diameters
Produces smoother finishes with less vibration
Adaptable for both stationary and portable operations
Technical Specifications:
Type: Bridge Reamer – Taper Shank
Point Type: Pilot-type
Flute Type: 3-flute
Countersink Angles: 60°, 82°, 90°, 100°
Applications: Bridgework, ship construction, structural steel fabrication
Product identification
- Brand: Drillco
- Model / MPN: 420A240

