Description

Drillco 428A212 1-3/16 High Spiral Flute 3/4 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.

Features:

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
Swivel and slidable base for versatile operation
Walter’s DYNAMAX™ speed control maintains consistent RPM under load
ACCUDRILL™ system protects from overload and cutter breakage
Very large drilling capacity up to 3″x3″ holes

Benefits:

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
Supports large hole drilling with consistent performance

Technical Specifications:

Model: 428A212
Size: 1-3/16 in.
Type: Construction Reamer
Flute Style: High Spiral
Shank: 3/4 in. 3-Flats Reduced Shank
Material: Premium Grade HSS
Point Type: Tapered
Applications: Structural steel fabrication, misaligned hole correction, heavy-duty reaming
Special Features: Swivel/slidable base, Walter’s DYNAMAX™ speed control, ACCUDRILL™ system, large drilling capacity