Drillco construction reamer details
Drillco 1-1/8 High Spiral Flute 3/4 Shank Nitro Construction Reamer (428N208)
Drillco 428N208 1-1/8 High Spiral Flute 3/4 Shank Nitro Construction Reamer is designed for heavy-duty construction applications requiring precision and durability. The high spiral flute design allows fast shearing cuts, reducing chip size and minimizing chatter. Its black and gold surface treatment enhances lubricity, while a protective layer increases hardness without adding brittleness. The 3-flats reduced shank provides secure grip and reliable performance for both handheld and machine operations.
1-1/8-inch Nitro construction reamer with high spiral flute
3/4-inch reduced shank with 3-flats for secure grip
Black and gold surface treatment for maximum lubricity
Protective layer increases hardness without brittleness
6 flutes for fast shearing cuts and reduced chip size
Supports common countersink angles: 60°, 82°, 90°
Durable design for heavy-duty construction use
Provides fast and efficient material removal with minimal chatter
Ensures precise and consistent hole sizing
Extends tool life and reduces wear
Secure shank grip improves stability during operation
Versatile for handheld and machine-based applications
Technical Specifications:
Size: 1-1/8 inch
Shank: 3/4-inch reduced with 3-flats
Flute Count: 6 high spiral flutes
Surface Treatment: Black and gold with protective hard layer
Supported Countersink Angles: 60°, 82°, 90°
Applications: Heavy-duty construction and structural reaming
Product identification
- Brand: Drillco
- Model / MPN: 428N208





