Description
Drillco 91SE228 1‑7/16″ Annular Cutter – 1″ Depth of Cut is engineered for efficient broach cutting, allowing large diameter holes to be produced quickly with less energy and minimal thrust. Crafted from premium cobalt, this cutter mills harder materials about 10% faster than standard HSS. It removes only the periphery of the hole, ejecting a slug for clean, precise results, making it ideal for professional and industrial applications.
Features:
- Premium cobalt construction for milling harder materials
- 1″ depth of cut (DOC) for precise holemaking
- Center cutting tip enables plunging, pocketing, and holemaking
- Multiple flutes (4 or 6) improve surface finish and reduce chatter
- Bright finish enhances lubricity and cutting efficiency
- Round shank with 1 flat for secure attachment
- Made in USA
Benefits:
- Drills large holes efficiently with minimal effort
- Approximately 10% faster cutting than standard HSS cutters
- Produces cleaner, precise holes with minimal burrs
- Durable and long-lasting for repeated industrial use
Technical Specifications:
- Model: 91SE228
- Type: Annular Cutter
- Size: 1‑7/16″
- Depth of Cut: 1″
- Material: Premium Cobalt
- Flutes: 4 or 6
- Application: Broach cutting for large diameter holes





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