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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.
Unit of Measure

Specifications

Thread Size

 N/A M8

Panel Thickness

 N/A 0.80 to 4.00 mm

Finish

 N/A Phosphorus and Oil; Aluminum Organic (Silver and Gray); Phos/Zinc/Organic Coating; Phos Coat with Electrodeposited Black Organic (E Coat) Coating with Oil.

Note for Finish

 N/A A wide selection of additional finishes is available upon request through EFC International.

Throat Depth

 N/A 13.0 mm

Prevailing Torque

 N/A Yes

Overall Length

 N/A 24.89 mm

Overall Width

 N/A 17.02 mm

Pitch Size

 N/A 1.25 in

Material

 N/A Spring Steel

Features and Benefits

Features and Benefits

 N/A
  • 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

Note

Note

 N/A 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.
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