ER16 Collet Chuck Built Tough for CNC Milling and Drilling, Heavy Duty Alloy Steel Hardened to HRC 56-60, Grips 0.02 to 0.393 Inch Tool Diameters, Extends Reach for Milling, Drilling, Tapping and Countersinking on CNC and Manual Machines

ER16 Collet Chuck for CNC Milling & Drilling, Heavy-Duty
✔️ 3/4" straight shank, 0.02-0.393" tool range, hardened alloy steel

This ER16 collet chuck extension is designed to grip ER16 collets and extend reach for milling, drilling, tapping, and countersinking on CNC and manual machines. It's ideal for steel, stainless steel, and alloy workpieces.

✅ ER16 compatibility and tool diameter range 0.02-0.393 in
✅ Extends reach for milling, drilling, tapping, and countersinking on CNC and manual machines
✅ Alloy steel construction hardened to HRC 56-60 for strength and wear resistance
✅ Precision-ground with runout ≤0.0002 in for accurate tool alignment
✅ 3/4 in straight shank, 3.94 in length, 5.31 in overall length; hex nut 1.10 in
✅ Internal 3/8-16 thread and 0.82 in flat-to-flat for secure tightening

💡 What is the purpose of an ER16 collet chuck extension in CNC machining? This handy accessory helps reach tight spots while keeping tool alignment tight. - Increases reach for long tools and deep pockets during milling and drilling - Keeps ER16 collet alignment for consistent runout under load - Suitable for steel, stainless steel, and alloy workpieces in precision work

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