Collet Chuck with Straight Shank Tool Holder

Finish cleaner cuts with a tool holder built for steady, confident machining. This 4 inch approx straight shank tool holder is made for machinists, CNC users, and shop owners who need reliable reach and secure clamping in tight setups. Its 5/8 inch approx shank, precision-ground body, black oxide nut, and 0.0003 inch approx TIR support accurate, repeatable performance. A practical upgrade for milling, drilling, boring, and everyday toolholding jobs.

Key Features
4 inch approx extended reach helps access deeper or restricted work areas.
5/8 approx shank collet chuck design fits compatible ER16 setups with stable holding power.
Precision-ground shank and strong clamping help reduce runout and improve finish quality.
Black oxide nut adds durability for regular shop use.

Why Choose Our ER16A 4 Inch approx ER16 Collet Chuck with 5/8 approx Straight Shank Tool Holder
Unlike basic holders that can feel limiting on deeper cuts, this extension design gives you extra reach without overcomplicating your setup. It is a cost-effective CNC milling tool holder for users who want dependable performance, easy replacement, and better control in precision work.

Perfect For
CNC milling, manual machining, drilling, boring, engraving, small shop repairs, toolroom work, hobby machining, and practical gifts for machinists, CNC operators, mechanics, and workshop owners.

Upgrade Your Setup With More Control
Order the ER16A 4 Inch approx ER16 Collet Chuck today and give your next machining job the reach, grip, and confidence it deserves.