Hex ER-40 Collet Block for CNC Milling and Tooling 1.75 x 1.75 x 3.2 In Tool Steel Hardened and Ground to 0.0005 Inch Flatness Quick Setup for Parallel, Square or Hex Work, and Cross Hole Drilling at 60 90 120 Degrees

Hex ER-40 Collet Block for CNC Milling, 1.75x1.75x3.2in
✔️ 1.75x1.75x3.2 in, ER-40, tool steel, 0.0005" flatness, 1 pc

This Hex ER-40 Collet Block is a precision tool block designed for fast CNC milling setups. It accepts standard ER-40 collets and supports holding parallel, square, or hex work pieces. It also enables cross-hole drilling at 60°, 90°, and 120° angles. The hardened tool steel substrate is ground to 0.0005 inch flatness to ensure squareness and repeatable alignment. It can be used standing upright for extra flexibility.

✅ Dimensions: 1.75 x 1.75 x 3.2 in
✅ Material: tool steel, hardened and ground to 0.0005 in flatness
✅ Through hole: 1-3/32 in
✅ Includes ER nut and supports ER collets
✅ Cross-hole drilling angles: 60°, 90°, 120°

💡 What is a hex ER-40 collet block used for in CNC milling and drilling?

This handy piece helps with fast, repeatable setups in CNC workflows.

- Holds ER-40 collets for tooling - Aligns and clamps parts at 60°, 90°, 120° for cross-holes - Provides tight flatness and squareness thanks to hardened tool steel - Works with parallel, square, or hex shaped work✝️