Coil Wing Nut

Technical Product Data Sheet

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OCM Coil Wing Nuts are made from durable ductile iron, and are used when quick tightening or removal of a coil nut is beneficial.


  • Available in all sizes from 1/2" to 1 1/2"
  • Can be easily tightened or removed
  • OCM is only major supplier to stock 5/8" and 7/8" diameters
  • Coil Thread is self cleaning and ideal for dirty jobsites or use in concrete formwork
OCM Part No. D Size Weight per pcs lbs Safe Working Load lbs
CWN50 1/2" 0.65 9,000
CWN62 5/8" 0.9 12,000
CWN75 3/4" 0.9 18,000
CWN87 7/8" 1.07 31,000
CWN100 1" 1.07 38,000
CWN125 1-1/4" 1.22 56,000
CWN150 1-1/2" 2.85 68,000
Comments: -SWL provides a safety factor of apporoximately 2 to 1.

OCM Limited Warranty

All recommendations, statements and technical data contained herein are based on tests we believe to be reliable and correct; however, accuracy and completeness of said tests are not guaranteed and are not provided as an express or implied warranty. User shall rely on his or her own information and tests to determine suitability of the product for the intended use and user assumes all risk and liability resulting from his or her use of the product. In the event that a product supplied by OCM, Inc. proves to not meet the OCM, Inc. published dimensional or other specifications of the product, an OCM, Inc. representative will review such product and circumstances to determine whether a replacement is warranted. OCM, Inc.'s and its manufacturer's sole responsibility shall be to replace, at OCM, Inc.'s sole discretion that product or portion of the product which OCM, Inc. deems to be defective, within six months of the delivery of the product. OCM, Inc. disclaims all other warranties or conditions, whether express or implied, including an implied warranties of merchantability or fitness for any particular purpose. In no event shall OCM, Inc. or its parent or affiliated companies be liable for delay caused by defects, for loss of use, or for any indirect, incidental, special, or consequential damages or for any charges or expenses of any nature whatsoever. In no event shall OCM, Inc.'s liability exceed the purchase price paid for the particular affect OCM, Inc. products.

OCM, Inc.

1120 E. Peterson Road, Grayslake, IL 60030
Toll Free: 866-457-5710 • Phone: 847-462-4258 • FAX: 847-462-4259
Please do not place orders with this email address, it is for informational purposes only.