




Runout Compensation Nuts in Kit Form
May 1, 2026
Monaghan Tooling Group now offers Diatool easyZERO runout compensation nuts in convenient kit form.
Designed for round tools using ER collets (ER16 to ER40), the easyZERO quickly corrects runout errors and misalignment for round tools, providing reamers with the stability to hold tolerances as tight as 0.0011". A variety of kits are stocked for immediate shipment, ranging from a basic kit (easyZERO nut with hex key) to a comprehensive kit that includes the nut, hex key, spanner, and ER collet.
"With this technology, cutting edges equally share the chip load, enabling concentric cutting, consistent tool wear, and extended tool life," said a company spokesperson. "By rapidly dialing in runout, users spend less time resetting tools and collets, improving efficiency, reducing scrap rates, and lowering overall costs."
Installing the easyZERO is straightforward-simply replace the existing ER collet chuck nut with the easyZERO runout compensation nut. With six adjustment screws, the nut allows users to dial out up to 0.0011" of runout in seconds.
Monaghan Tooling Group provides five sizes of Diatool's easyZERO compensation nuts to fit ER16 to ER40 collets, to suit virtually any reaming application. Products are available from stock and can be purchased online at easyzeronut.com, or through local tooling distributors.
For more information contact:
Monaghan Tooling Group
30 North Clinton St.
Dayton, OH 45402
800-732-4565
sales@monaghantooling.com
www.monaghantooling.com
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