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The TECHNIKS 04601-16 is a hex-style collet chuck wrench designed for use with ER16 collet systems. It provides the mechanical interface needed to properly seat and release ER16 collets in compatible chuck bodies when used alongside adjustable torque wrenches. The hex drive design allows controlled torque application, which is critical for achieving proper collet clamping force without over-tightening. At 0.08 pounds, the wrench is compact and lightweight, suited for bench use in machine shops and tool crib environments. Licensed machinists and tooling technicians are the primary users of this accessory.
This wrench is intended for ER16 collet chuck assemblies found on CNC machining centers, milling machines, and similar rotating toolholding equipment. It is used during tool changes and setup operations where collets must be installed or removed with consistent torque. The wrench is paired with an adjustable torque wrench to meet toolholder manufacturer torque specifications, making it appropriate for production environments where repeatable clamping force is required.
Designed for use with ER16 collet series chuck assemblies and adjustable torque wrenches. Verify compatibility with your specific chuck nut profile before use.
Installation and tool changes should be performed by qualified machinists or tooling technicians familiar with ER collet systems. Ensure the machine spindle is fully stopped and the machine is in a safe, locked-out state before performing any tool change. Use this wrench only in conjunction with a calibrated adjustable torque wrench to avoid under- or over-torquing the collet nut. Do not use impact tools or extension bars with this wrench.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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