Runout Compensation Nuts correct runout errors, misalignment.

Press Release Summary:

Offered in 5 sizes, easyZERO replacement nuts correct runout errors and misalignment for all round tools using ER16–ER40 collets. There are 6 adjustment screws that allow for up to 0.011 in. runout to be dialed in to promote accurate machining, tight tolerances, and surface finish quality. Due to concentric cutting, all cutting edges share chip load equally and consequently increase tool life. Dialing in desired runout with complete control conserves time and increases process capability.

Original Press Release:

Monaghan easyZERO Runout Compensation Nuts Quickly Correct Runout Errors and Misalignment

Dayton, OH — EasyZERO runout compensation nuts quickly correct runout errors and misalignment for all round tools using ER collets. Easy-to-use, innovative replacement nuts feature six adjustment screws that allow for up to 0.011" runout to be dialed in easily, allowing for more accurate machining, tighter tolerances and better surface finishes—especially on difficult parts. Concentric cutting means that all cutting edges equally share the chip load, thus increasing tool life and lowering tool costs. Rapidly dialing in the desired runout with complete control ultimately saves time and increases process capability, due to decreased time tapping and resetting tools and collets.

ReamTec easyZERO compensation nuts are available from Monaghan Tooling Group in five sizes to fit ER16 to ER40 collets. They are ideal for all round tools where runout may be of concern, including reamers, drills and end mills.  Four kits are available which include the easyZERO nut, Hex Key, spanner and ER collet in various combinations. Additional information is available online at

Monaghan Tooling Group provides world-class engineered tooling and services, including application-related consulting, to solve machining challenges. They have partnered with industry-leading standard and custom tooling manufacturers including Diatool, UC Tools, RE-AL, MK-Tools, Reamtec, Axis and Elliot Tool Technologies to address the challenges of precision metal finishing and high performance cutting. For additional information visit, e-mail, call (800) 732-4565 or write Monaghan Tooling Group, 30 North Clinton Street, Dayton, OH  45402.

All Topics