Drillco 1-1/4 High Spiral Flute 1/2 Shank Construction Reamer (428A216-132)
Drillco 428A216-132 1-1/4 High Spiral Flute 1/2 Shank Construction Reamer is designed for heavy-duty reaming in structural steel fabrication, bridgework, and industrial assembly tasks. The tapered point allows smooth entry into misaligned or off-center holes, ensuring precise and accurate hole enlargements. Its high spiral flute design enhances chip removal, reduces heat buildup, and delivers a clean, smooth finish. The 3-flats reduced shank provides a secure grip in the chuck, making it suitable for demanding fabrication environments.
1-1/4-inch high spiral flute construction reamer with 1/2-inch shank
Tapered point for smooth entry into misaligned or undersized holes
High spiral flutes for efficient chip removal and smooth surface finish
3-flats reduced shank for secure, slip-free chuck grip
Most common angles for countersinking available: 60°, 82°, 90°
6 flutes for very fast shearing cuts
Higher flute count reduces chip size and chatter
Ensures precise, clean, and accurate hole enlargements
Improves chip removal and reduces heat buildup during cutting
Minimizes chatter and provides smooth cutting performance
Durable construction for long-lasting industrial use
Reliable performance in structural steel and bridgework applications
Technical Specifications:
Model: 428A216-132
Size: 1-1/4 inch
Shank Size: 1/2 inch
Shank Type: 3-flats reduced shank
Point Type: Tapered point
Flute Type: High spiral flutes, 6 flutes for fast shearing
Countersink Angles: 60°, 82°, 90°
Applications: Structural steel fabrication, bridgework, industrial assembly
Product identification
- Brand: Drillco
- Model / MPN: 428A216-132
