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U-Nut Threaded Fasteners

Self-Retaining U-Nuts

Tapped Barrel - Long-Throat LUGS

Self-Retaining U-Nut Threaded Fasteners from A. Raymond Tinnerman Industrial are used to provide simple, quick attachment of mating panels. U-Nuts self-retain in screw-receiving position. This tapped barrel U-Nut requires no special tools and is easy to assemble.

  • Preferred alternative for machine screws
  • Barrel comes in free-spinning options and prevailing torque
  • The U-Nut is positioned onto the panel edge and over the panel hole
  • Self-retention feature eliminates costly welding and clinching costs and it improves assembly time
  • Helps fix misalignment in panel mounting holes
  • Part won’t freeze on screw threads and does not move as the screw is driven
  • U-Nut threaded fasteners disassemble easily and reliably and the part is highly serviceable
  • Can be used wherever a screw or bolt is used and in place of clinch nuts and weld nuts
  • The tapped barrel strength equals that of the screw
Download product sheet: PDF - Self-Retaining U-Nut Threaded Fasteners from A. Raymond Tinnerman
U-Nut Self-Retaining Threaded Nut Long Throat U-Nut Self-Retaining Threaded Fastener Tinnerman U-Nuts

Self-retaining U-Nut - Imperial
U-Nut Part Number Thread Specification Panel Thickness (F) Throat Distance (A) Hole Diameter (R) Width (b) Length (l) Torque
246126 1/4-20 0.025 - 0.150 0.740 .390 .570 1.161 Free-Spinning
246128 1/4-20 0.025 - 0.150 0.740 .390 .570 1.161 Prevailing
246094 5/16-18 0.025 - 0.150 0.800 .463 .670 1.253 Free-Spinning
247615 5/16-18 0.025 - 0.150 0.800 .463 .670 1.253 Prevailing
245459 5/16-18 0.050 - 0.200 0.830 .463 .670 1.240 Free-Spinning
247583 5/16-18 0.050 - 0.200 0.830 .463 .670 1.240 Prevailing
 
Self-retaining U-Nut - Metric
U-Nut Part Number Thread Specification Panel Thickness (F) Throat Distance (A) Hole Diameter (R) Width (b) Length (l) Torque
246127 M6x1.0 0.80 - 4.00 18.50 10.00 14.50 29.50 Free-Spinning
247582 M6x1.0 0.80 - 4.00 18.50 10.00 14.50 29.50 Prevailing
247641 M8x1.25 0.80 - 4.00 19.50 12.00 17.00 31.80 Free-Spinning
247642 M8x1.25 0.80 - 4.00 19.50 12.00 17.00 31.80 Prevailing
Most U-Nut parts manufactured in spring steel







 
Category Files
Also referred to as Self-Retaining Threaded Fasteners, Self-Retaining U-Nuts, Tapped Barrel U-Nuts and Long-Throat U-Nuts.

Looking for a different Nut Retainer? Contact Bolt Products or see links here:

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