Description
Drillco 428N220 1-5/16″ High Spiral Flute 3/4 Shank Nitro Construction Reamer is engineered for heavy-duty construction reaming, providing precision and durability for materials like concrete, steel, and other tough surfaces. The black and gold surface treatment adds a hard protective layer that increases hardness without brittleness while maximizing lubricity. The 3-flats reduced 3/4″ shank ensures a secure grip in drill chucks. Its high spiral flute design enables fast shearing cuts, reduces chip size, and minimizes chatter for smooth, accurate operation.
Features:
- 1-5/16″ high spiral flute Nitro construction reamer with 3/4″ reduced shank
- Black and gold surface treatment for increased hardness and lubricity
- High spiral flutes for fast, smooth shearing cuts
- 3-flats reduced shank for secure drill chuck grip
- Durable heavy-duty construction for long-lasting performance
Benefits:
- Ensures fast, precise reaming in tough construction materials
- Minimizes chatter and improves surface finish
- Extended tool life due to protective surface treatment
- Provides reliable control and secure grip during operation
Technical Specifications:
- Model: 428N220
- Type: High Spiral Flute Nitro Construction Reamer
- Size: 1-5/16″
- Shank: 3/4″ Reduced Shank with 3-flats
- Flutes: High spiral design
- Surface Treatment: Black & Gold for hardness and lubricity
- Applications: Construction, steel, concrete, and other heavy-duty materials





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