ER 40 Square And Hex Collet Chuck Block Set For Milling Machines And CNC Lathes Beefy Hardened Carbon Steel Workholding Holder For Engraving And Cutting Applications

Set of 2 ER40 Square and Hex Collet Chuck Blocks for CNC
✔️ ER40 square and hex chuck blocks in hardened carbon steel, CNC ready

The ER40 square and hex collet chuck block set is a pair of hardened carbon steel workholding blocks designed for CNC lathes, milling machines, and engraving work. Use these blocks for precise cross-hole drilling and long-part processing.

✅ Material: Hardened carbon steel for high strength and shock resistance
✅ Includes: 1 ER40 Square Collet Chuck Block and 1 ER40 Hex Collet Chuck Block
✅ Applications: Cross-hole drilling at 60°, 90°, 120° or parallel, square, and hex shapes
✅ Easy install: Quick mounting on milling machines, lathes, and drilling machines

💡 What is a collet chuck block used for in CNC milling and engraving?

This handy setup helps you hold and align workpieces for precise drilling and engraving. - High-precision ER40 blocks for square or hex parts
- Easy to mount on milling machines and lathes
- Hardened carbon steel for long life and steady performance
- Ideal for cross-hole drilling at common angles and long-part work
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