T-Nut Fasteners are bushings with internal threads and a substantial base, combining the functions of a nut and washer. They offer many design advantages and frequently cut weight, labor and cost.
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Self-Retaining Round Base Projection Weld T-Nuts

5/16-18 hread Size Self-Retaining Round Base Projection Weld T-Nut
Self-Retaining Round Base Projection Weld T-Nuts

3/8-16 Thread Size Self-Retaining Round Base Projection Weld T-Nut
Self-Retaining Round Base Projection Weld T-Nuts

3/8-16 Thread Size Self-Retaining Round Base Projection Weld T-Nut
Self-Retaining Round Base Projection Weld T-Nuts

3/8-24 Thread Size Self-Retaining Round Base Projection Weld T-Nut
Description N/A T-Nut Fasteners are bushings with internal threads and a substantial base, combining the functions of a nut and 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 3/8-24
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 0.075 in1.90 mm
Collar Length N/A 0.375 in9.50 mm N/A 0.437 in11.10 mm N/A 0.437 in11.10 mm N/A 0.437 in11.10 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 0.485 in12.30 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 0.480 in12.20 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 1.000 in25.40 mm
Number of Bosses N/A 3
Boss Diameter N/A 0.140 in3.60 mm N/A 0.171 in4.40 mm N/A 0.171 in4.40 mm N/A 0.171 in4.40 mm
Boss Height N/A N/A 0.055 to 0.040 in1.40 to 1.00 mm N/A 0.055 to 0.040 in1.40 to 1.00 mm N/A 0.055 to 0.040 in1.40 to 1.00 mm
Surface Radius N/A 0.343 in8.70 mm N/A 0.390 in9.90 mm N/A 0.390 in9.90 mm N/A 0.390 in9.90 mm
Material N/A Steel
Finish N/A N/A Cleaned Oiled N/A Zinc N/A
Bosses N/A 0.035 to 0.050 in0.90 to 1.30 mm N/A N/A N/A
Applications N/A 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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