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