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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Self-Retaining Round Base Spot Twisted Prong T-Nuts

5/16-18 Thread Size Self-Retaining Round Base Spot Twisted Prong T-Nut
Self-Retaining Round Base Spot Twisted Prong T-Nuts

3/8-16 Thread Size Self-Retaining Round Base Spot Twisted Prong T-Nut
Self-Retaining Round Base Spot Twisted Prong T-Nuts

3/8-16 Thread Size Self-Retaining Round Base Spot Twisted Prong T-Nut
Self-Retaining Round Base Spot Twisted Prong T-Nuts

10-32 Thread Size Self-Retaining Round Base Spot Twisted Prong T-Nut
Self-Retaining Round Base Spot Twisted Prong T-Nuts

1/4-20 Thread Size Self-Retaining Round Base Spot Twisted Prong 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.
Fastener Type N/A Round Base
Thread Size N/A 5/16-18 N/A 3/8-16 N/A 3/8-16 N/A 10-32 N/A 1/4-20
Base Height N/A 0.062 in1.60 mm N/A 0.075 in1.90 mm N/A 0.075 in1.90 mm N/A 0.031 in0.90 mm N/A 0.050 in1.30 mm
Collar Length N/A 0.625 in15.90 mm N/A 0.437 in11.10 mm N/A 0.437 in11.10 mm N/A 0.375 in9.50 mm N/A 0.562 in14.30 mm
Major Collar Outside Diameter N/A 0.391 in9.90 mm N/A 0.471 in12.00 mm N/A 0.471 in12.00 mm N/A 0.235 in6.00 mm N/A 0.311 in7.90 mm
Minimum Collar Outside Diameter N/A 0.386 in9.80 mm N/A 0.466 in11.80 mm N/A 0.466 in11.80 mm N/A 0.225 in5.70 mm N/A 0.306 in7.80 mm
Overall Diameter N/A 0.875 in22.20 mm N/A 1.000 in25.40 mm N/A 1.000 in25.40 mm N/A 0.563 in14.30 mm N/A 0.750 in19.10 mm
Number of Prongs N/A 4 N/A 4 N/A 4 N/A 3 N/A 3
Prong Type N/A Twist
Prong Height N/A 0.281 in7.10 mm N/A 0.328 in8.30 mm N/A 0.328 in8.30 mm N/A 0.313 in7.90 mm N/A 0.437 in11.10 mm
Material N/A Steel
Finish N/A Zinc N/A Cleaned Oiled N/A Zinc N/A N/A
Applications N/A 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.
Features and Benefits 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.
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