Self-Retaining T-Nut fasteners are bushings with internal threads and a substantial base that combine the functions of a nut and a washer. They offer many design advantages and frequently cut weight, labor and cost.
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Rectangular Base Self-Retaining T-Nut
Rectangular Base Self-Retaining T-Nut

Rectangular Base Self-Retaining T-Nut
Rectangular Base Self-Retaining T-Nuts

1.25 Inch (in) Overall Length Rectangular Base Self-Retaining T-Nut
Description N/A Self-Retaining T-Nut fasteners are bushings with internal threads and a substantial base that combine the functions of a nut and a washer. They offer many design advantages and frequently cut weight, labor and cost.
Hole Size N/A N/A N/A 0.098 in2.5 mm
Overall Length N/A N/A N/A 1.25 in31.75 mm
Thread Size N/A N/A N/A 5/16-18 in
Overall Width N/A N/A N/A 0.5 in12.7 mm
Base Height N/A N/A N/A 0.062 in1.60 mm
Collar Length N/A N/A N/A 0.812 in20.6 mm
Major Collar Outside Diameter N/A N/A N/A 0.366 in9.3 mm
Minimum Collar Outside Diameter N/A N/A N/A 0.356 in9 mm
Drill Size N/A N/A N/A 0.5 in12.7 mm
Holes for Assembly N/A N/A N/A 2
Hole Center to Center N/A N/A N/A 0.937 in23.8 mm
Applications N/A
  • In Metal Applications: Self-Retaining T-Nut Fasteners are typically spot welded or projection welded with the flange attached to a base plate. They may also be snapped into holes. Either way, they obviate costly tapping and simplify design.
  • In Non-Metallic Applications: Self-Retaining T-Nut fasteners are usually driven into holes. They may provide threads and add strength to relatively weak materials. Some T-Nut fasteners for non-metallic applications may be fed and applied automatically.
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