Description

Drillco 425A120 5/16 Bridge Reamer Taper Shank is designed for precision hole enlargement and alignment in structural steel applications. Commonly used in bridge construction, shipbuilding, and heavy steel fabrication, this reamer features a pilot-type point for accurate starting and smooth entry, even in off-center or undersized holes. The 3-flute design enhances centering and stability, while the reduced shank allows for use with portable drilling equipment.

Features:

5/16″ bridge reamer with precision-ground taper shank
Pilot-type point for accurate alignment and reduced walking
3-flute geometry for improved centering and smoother cutting
Reduced shank for compatibility with portable drills
High-speed steel (HSS) construction for durability and long service life

Benefits:

Provides accurate and clean hole enlargement in structural steel
Improves cutting stability and reduces chatter during operation
Reliable performance in demanding industrial environments

Technical Specifications:

Model: 425A120
Size: 5/16″
Shank Type: Taper Shank
Flutes: 3
Point Type: Pilot
Material: High-Speed Steel (HSS)
Application: Hole enlargement and alignment in bridgework, shipbuilding, and structural steel fabrication