Accusize Industrial Tools ER16 Collet Chuck Extension Rod, 3/4″ Straight Shank, 5.51″ Shank Length, 6.89″ OAL, 0.02″–0.393″ Capacity, 0223-0209
- Compatible with ER16 collets, accommodating tool diameters from 0.02″–0.393″; extends reach for milling, drilling, tapping and countersinking on CNC and manual machines.
- Constructed from high-quality alloy steel hardened to HRC 56–60, providing strength and wear resistance for reliable tool holding.
- Precision-ground to achieve a total indicated runout of 0.0002″ or better, ensuring accurate tool alignment and minimal vibration during high‑precision operations.
- Features a 3/4″ straight shank with 5.51″ length and 6.89″ overall length; hex collet nut diameter 1.10″; internal 3/8-16 thread and 0.82″ flat-to-flat dimension for secure tightening.
- Designed for machinists, engineers and hobbyists who require precise, repeatable tool extension when working with steel, stainless steel and alloy workpieces.