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 M5 X .80 for various panel thicknesses and an assortment of specifications to meet your application needs.
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M5 x 0.80 Multi-Threaded Self-Retaining U-Nuts

1.78 to 3.05 Millimeter (mm) Panel Thickness Multi-Threaded Self-Retaining U-Nut
M5 x 0.80 Multi-Threaded Self-Retaining U-Nuts

0.60 to 3.80 Millimeter (mm) Panel Thickness Multi-Threaded Self-Retaining U-Nut
M5 x 0.80 Multi-Threaded Self-Retaining U-Nuts

0.60 to 3.80 Millimeter (mm) Panel Thickness Multi-Threaded Self-Retaining U-Nut
M5 x 0.80 Multi-Threaded Self-Retaining U-Nuts

3.20 to 6.30 Millimeter (mm) Panel Thickness Multi-Threaded Self-Retaining U-Nut
M5 x 0.80 Multi-Threaded Self-Retaining U-Nuts

3.20 to 6.30 Millimeter (mm) Panel Thickness Multi-Threaded Self-Retaining U-Nut
Description N/A 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 M5 X .80 for various panel thicknesses and an assortment of specifications to meet your application needs.
Color N/A Clear N/A N/A Black N/A Black N/A Silver
Material N/A Spring Steel
Panel Thickness N/A 1.78 to 3.05 mm N/A 0.60 to 3.80 mm N/A 0.60 to 3.80 mm N/A 3.20 to 6.30 mm N/A 3.20 to 6.30 mm
Finish N/A Zinc Elec/Clear Chromate N/A Phosphorus and Oil N/A Phosphorus and Oil N/A Organic ZN and Organic Top Coat N/A Dacromet
Note for Finish N/A A wide selection of additional finishes is available upon request through EFC International.
Prevailing Torque N/A N/A N/A N/A Yes N/A Yes
Overall Length N/A 15.24 mm N/A N/A 19.5 mm N/A N/A
Original Equipment Manufacturer (OEM) Reference N/A N/A 11500657 - N623341-S2 - W520811 N/A 11500656 - W520801-S430 - 6100040 N/A N/A
Thread x Pitch N/A M5 x 0.80
Fold Width N/A 12.95 mm N/A N/A 13.5 mm N/A N/A
Overall Width N/A N/A N/A 11.5 mm N/A N/A
Throat Depth N/A 6.85 mm N/A 16.5 mm N/A 11.5 mm N/A N/A
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 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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