Drillco 9/16 High Spiral Flute 1/2 Shank Construction Reamer (428A136)
Drillco 428A136 9/16 High Spiral Flute 1/2 Shank Construction Reamer is designed for heavy-duty reaming in structural steel fabrication and other demanding metalworking applications. Its tapered point allows smooth entry into misaligned or undersized holes, ensuring precise alignment and accurate sizing. The high spiral flute design promotes efficient chip removal and consistent cutting performance, while the 3-flats reduced shank provides a secure, slip-resistant grip. Constructed from premium grade high-speed steel (HSS), this reamer delivers reliable performance and long-lasting durability.
Tapered point for accurate entry into misaligned or undersized holes
High spiral flute design for smooth cutting and effective chip evacuation
Premium grade HSS for long-lasting durability
3-flats reduced shank for a secure, no-slip grip
Longer shank suitable for turret lathes
4 flutes for improved material removal and surface finish
Supports common countersink angles: 60°, 82°, 90°
Ensures precise and consistent reaming results
Improves alignment of structural steel components
Handles heavy-duty applications efficiently
Prevents slippage during operation
Resists wear and breakage for long-term durability
Produces clean, smooth hole finishes
Technical Specifications:
Type: Construction Reamer
Flute Style: High Spiral (4 flutes)
Shank: 1/2 in. 3-Flats Reduced Shank
Material: Premium Grade HSS
Point Type: Tapered
Applications: Structural steel fabrication, misaligned hole correction, heavy-duty reaming
Supported Countersink Angles: 60°, 82°, 90°
Product identification
- Brand: Drillco
- Model / MPN: 428A136
