Multi-Threaded Self-Retaining U-Nuts, also known as Tapped Barrel U-Nuts, are primarily used in the automotive industry where extra strength is required. The strength of the tapped barrel u-nut is equal to the machine screw used. It allows single-wrench tightening of the thread assembly. In addition, some multi-threaded u-nuts are available in Free Spin or Prevailing Torque designs. This page displays Metric Thread X Pitch Sizes M4 x 0.70 - M4.2 x 1.69 for various panel thicknesses and an assortment of specifications to meet your application needs.
Savings - Reduce labor, weight and cost of your applications
Performance - These will out-perform Weld-Nuts
Anti-Wrenching - No fear of cross threading or stripping
Prevailing Torque Locking Feature - Offered as an option
Additional Information
Additional Information
N/APhos & Oil; Aluminum Organic (Silver & Grey); Phos/Zinc/Organic Coating; Phos Coat with Electrodeposited Black Organic (E Coat) Coating with Oil.
Note
Note
N/AA wide selection of additional finishes is available upon request through EFC International. Dimensions labeled A, B, C, and/or D on the dimensions diagram may be approximate. Please consult with an EFC sales engineer is you have other requirements for your application.