Drillco 1-7/16 Bridge Reamer Taper Shank (425A228)
Drillco 425A228 1-7/16 Bridge Reamer Taper Shank is designed for precise hole enlargement in bridgework, ship construction, and structural steel fabrication where maintaining exact diameters is critical. Featuring a pilot-type point, it allows smooth entry and proper alignment into small or off-center holes, ensuring accuracy in demanding applications. Manufactured from premium grade HSS, this reamer delivers long-lasting durability and cutting performance. The black oxide surface treatment enhances tool life, while the short screw machine length increases rigidity to reduce breakage during operation. The round shank ensures compatibility with standard drill chucks, making it a reliable choice for both stationary and portable setups.
Pilot-type point for accurate alignment and smooth entry
Premium grade HSS for extended durability
Self-centering 135° split-point reduces walking and thrust
Black oxide surface treatment for improved tool life
Short screw machine length adds rigidity and reduces breakage
Round shank for compatibility with standard drill chucks
Ensures precise diameters in critical applications
Durable and dependable for industrial use
Minimizes risk of breakage during heavy-duty operation
Adaptable for both portable and stationary drilling equipment
Technical Specifications:
Type: Bridge Reamer – Taper Shank
Point Type: Pilot-type, 135° split-point
Material: Premium grade HSS
Surface Treatment: Black oxide
Applications: Bridgework, ship construction, structural steel fabrication
Origin: Made in USA
Product identification
- Brand: Drillco
- Model / MPN: 425A228

