Drillco .652 Spiral Flute 1/2 Shank Construction Reamer (427A141)
Drillco 427A141 .652 Spiral Flute 1/2 Shank Construction Reamer is built for heavy-duty reaming in structural steel fabrication and other demanding metalworking environments. Its tapered point design enables easy entry into undersized or misaligned holes, ensuring proper alignment and accurate sizing. The spiral flute configuration promotes smooth cutting action and efficient chip removal, while the 3-flats reduced shank offers a secure, slip-resistant grip during operation. Crafted from premium grade high-speed steel (HSS) with a black oxide surface treatment, this reamer delivers long-lasting durability, wear resistance, and consistent performance in both portable and stationary equipment.
Tapered point for accurate entry into misaligned or undersized holes
Spiral flute design for smooth cutting and effective chip evacuation
Premium grade HSS for extended tool life
Black oxide surface treatment for improved wear resistance
3-flats reduced shank for a secure, no-slip grip
Self-centering 135° split point reduces thrust and walking
Delivers precise and consistent reaming results
Improves component alignment in structural steel applications
Prevents slippage during high-torque operations
Extends tool life in demanding conditions
Produces clean, accurate hole finishes
Technical Specifications:
Type: Construction (Car) Reamer
Flute Style: Spiral
Shank: 1/2 in. 3-Flats Reduced Shank
Material: Premium Grade HSS
Surface Treatment: Black Oxide
Point Type: Tapered with 135° Split Point
Applications: Structural steel fabrication, misaligned hole correction
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 427A141





