Description
HHIP 9999-0035 ER-25 Square & Hex Collet Block Set is a versatile and precision-machined tool holding solution for CNC machining and milling applications. Constructed from hardened and ground tool steel, these collet blocks provide exceptional stability and accuracy, allowing secure holding of square, hexagonal, or parallel workpieces. Designed to expedite setup time and accommodate a wide range of machining tasks, these blocks are ideal for precision operations and cross-hole drilling at angles of 60°, 90°, or 120°.
Features:
- Versatile ER-25 collet blocks for square, hex, or parallel workpieces.
- Hardened and ground tool steel construction for long-lasting durability.
- Precision-machined with flatness, squareness, and parallelism within .0005″.
- 11/16″ through-hole accommodates long workpieces for extended machining.
- Can be used horizontally or upright for specific setups and operations.
- Includes ER nut for securing collets firmly in place.
Benefits:
- Provides precise and stable work holding for CNC and milling operations.
- Reduces setup time with adaptable positioning and collet compatibility.
- Ensures flexibility for machining a variety of workpiece shapes and sizes.
- Supports accurate cross-hole drilling at multiple angles.
Technical Specifications:
- Model: 9999-0035
- Collet Type: ER-25
- Material: Hardened and ground tool steel
- Block Dimensions: 1-3/4″ x 1-3/4″
- Through-Hole: 11/16″
- Precision: Flatness, squareness, and parallelism within .0005″
- Accessories: ER nut included





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