ER16 4 Inch Straight Shank CNC Milling Tool Holder For Collets Up To Five Eighths Inch Clamping Range Beefy Alloy Steel With Long Extended Handle And Smooth Surface Precision 0.0003 Inch For Heavy Duty Machining

ER16 4-Inch Straight Shank Collet Holder, 5/8 Clamp
✔️ Single unit, fits ER16 collets up to 5/8 in clamp range, 4 in shank

This heavy-duty milling tool holder is designed to secure ER16 collets for CNC milling, drilling, boring, and other precision machining tasks. The straight 4-inch shank provides solid stability and extended reach for deep hole processing.

✅ Type: C5/8 ER16
✅ Shank diameter: 5/8 in (15.875 mm)
✅ Shank length: 4 in (101.6 mm)
✅ Material: DN65 carbon steel, hardened to approx. HRC50
✅ Surface: smooth finish; extended handle for better grip
✅ Nut: direct tightening; high rigidity and strong clamping force

💡 What is an ER16 straight shank collet holder used for in CNC milling? This handy piece helps secure ER16 collets in milling machines, making tool changes quick and reliable.
- Handy for securing ER16 collets in CNC milling and drilling setups
- Provides strong clamping and repeatable results under heavy loads
- Made from DN65 carbon steel with hardness around HRC50 for long life