Free STEP Models

STEP solid models, which open in SolidWorks, Fusion, Inventor, FreeCAD and every other CAD system. Every file here is public domain: open it in your browser, then download it or export it to another format.

3532 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

Features:Real-world scale 715Assembly 463Low-poly 57CAD solid 715

715 3D parts as STEP · Clear all

  • Hex nut #4-40 UNCstep#4-40Rotate in 3D
    Hex nut #4-40 UNC

    Hex nut #4-40 UNC, modeled from published dimensions. Overall 7.3 x 6.4 x 2.5 mm. Key dimensions: thread #4-40; thread diameter 2.8 mm; threads per inch 40; pitch 0.6 mm; inch to 25.4 mm; across flats 6.4 mm; height 2.5 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex nut 3/8-16 UNCstep3/8-16Rotate in 3D
    Hex nut 3/8-16 UNC

    Hex nut 3/8-16 UNC, modeled from published dimensions. Overall 16.5 x 14.3 x 8.6 mm. Key dimensions: thread 3/8-16; thread diameter 9.5 mm; threads per inch 16; pitch 1.6 mm; inch to 25.4 mm; across flats 14.3 mm; height 8.6 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex nut 1/4-20 UNCstep1/4-20Rotate in 3D
    Hex nut 1/4-20 UNC

    Hex nut 1/4-20 UNC, modeled from published dimensions. Overall 12.8 x 11.1 x 5.7 mm. Key dimensions: thread 1/4-20; thread diameter 6.4 mm; threads per inch 20; pitch 1.3 mm; inch to 25.4 mm; across flats 11.1 mm; height 5.7 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex nut 1/2-13 UNCstep1/2-13Rotate in 3D
    Hex nut 1/2-13 UNC

    Hex nut 1/2-13 UNC, modeled from published dimensions. Overall 22 x 19.1 x 11.3 mm. Key dimensions: thread 1/2-13; thread diameter 12.7 mm; threads per inch 13; pitch 2 mm; inch to 25.4 mm; across flats 19 mm; height 11.3 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex nut #12-24 UNCstep#12-24Rotate in 3D
    Hex nut #12-24 UNC

    Hex nut #12-24 UNC, modeled from published dimensions. Overall 12.8 x 11.1 x 4.1 mm. Key dimensions: thread #12-24; thread diameter 5.5 mm; threads per inch 24; pitch 1.1 mm; inch to 25.4 mm; across flats 11.1 mm; height 4.1 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex nut #10-24 UNCstep#10-24Rotate in 3D
    Hex nut #10-24 UNC

    Hex nut #10-24 UNC, modeled from published dimensions. Overall 11 x 9.5 x 3.3 mm. Key dimensions: thread #10-24; thread diameter 4.8 mm; threads per inch 24; pitch 1.1 mm; inch to 25.4 mm; across flats 9.5 mm; height 3.3 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw #8-32 UNCstep#8-32Rotate in 3D
    Socket cap screw #8-32 UNC

    Socket cap screw #8-32 UNC, modeled from published dimensions. Overall 6.9 x 6.9 x 16.9 mm. Key dimensions: thread #8-32; thread diameter 4.2 mm; threads per inch 32; pitch 0.8 mm; inch to 25.4 mm; length under head in 0.5; length under head 12.7 mm; head diameter 6.9 mm; head height 4.2 mm; socket across flats 3.6 mm; socket depth 2 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw 7/16-14 UNCstep7/16-14Rotate in 3D
    Socket cap screw 7/16-14 UNC

    Socket cap screw 7/16-14 UNC, modeled from published dimensions. Overall 16.7 x 16.7 x 36.5 mm. Key dimensions: thread 7/16-14; thread diameter 11.1 mm; threads per inch 14; pitch 1.8 mm; inch to 25.4 mm; length under head in 1; length under head 25.4 mm; head diameter 16.7 mm; head height 11.1 mm; socket across flats 9.5 mm; socket depth 5.4 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw #6-32 UNCstep#6-32Rotate in 3D
    Socket cap screw #6-32 UNC

    Socket cap screw #6-32 UNC, modeled from published dimensions. Overall 5.7 x 5.7 x 13 mm. Key dimensions: thread #6-32; thread diameter 3.5 mm; threads per inch 32; pitch 0.8 mm; inch to 25.4 mm; length under head in 0.4; length under head 9.5 mm; head diameter 5.7 mm; head height 3.5 mm; socket across flats 2.8 mm; socket depth 1.6 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw 5/16-18 UNCstep5/16-18Rotate in 3D
    Socket cap screw 5/16-18 UNC

    Socket cap screw 5/16-18 UNC, modeled from published dimensions. Overall 11.9 x 11.9 x 27 mm. Key dimensions: thread 5/16-18; thread diameter 7.9 mm; threads per inch 18; pitch 1.4 mm; inch to 25.4 mm; length under head in 0.8; length under head 19 mm; head diameter 11.9 mm; head height 7.9 mm; socket across flats 6.4 mm; socket depth 3.8 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw #4-40 UNCstep#4-40Rotate in 3D
    Socket cap screw #4-40 UNC

    Socket cap screw #4-40 UNC, modeled from published dimensions. Overall 4.6 x 4.6 x 12.4 mm. Key dimensions: thread #4-40; thread diameter 2.8 mm; threads per inch 40; pitch 0.6 mm; inch to 25.4 mm; length under head in 0.4; length under head 9.5 mm; head diameter 4.6 mm; head height 2.8 mm; socket across flats 2.4 mm; socket depth 1.3 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw 3/8-16 UNCstep3/8-16Rotate in 3D
    Socket cap screw 3/8-16 UNC

    Socket cap screw 3/8-16 UNC, modeled from published dimensions. Overall 14.3 x 14.3 x 34.9 mm. Key dimensions: thread 3/8-16; thread diameter 9.5 mm; threads per inch 16; pitch 1.6 mm; inch to 25.4 mm; length under head in 1; length under head 25.4 mm; head diameter 14.3 mm; head height 9.5 mm; socket across flats 7.9 mm; socket depth 4.6 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw 1/4-20 UNCstep1/4-20Rotate in 3D
    Socket cap screw 1/4-20 UNC

    Socket cap screw 1/4-20 UNC, modeled from published dimensions. Overall 9.5 x 9.5 x 25.4 mm. Key dimensions: thread 1/4-20; thread diameter 6.4 mm; threads per inch 20; pitch 1.3 mm; inch to 25.4 mm; length under head in 0.8; length under head 19 mm; head diameter 9.5 mm; head height 6.4 mm; socket across flats 4.8 mm; socket depth 3 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw 1/2-13 UNCstep1/2-13Rotate in 3D
    Socket cap screw 1/2-13 UNC

    Socket cap screw 1/2-13 UNC, modeled from published dimensions. Overall 19.1 x 19.1 x 38.1 mm. Key dimensions: thread 1/2-13; thread diameter 12.7 mm; threads per inch 13; pitch 2 mm; inch to 25.4 mm; length under head in 1; length under head 25.4 mm; head diameter 19 mm; head height 12.7 mm; socket across flats 9.5 mm; socket depth 6.2 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw #12-24 UNCstep#12-24Rotate in 3D
    Socket cap screw #12-24 UNC

    Socket cap screw #12-24 UNC, modeled from published dimensions. Overall 8.7 x 8.7 x 18.2 mm. Key dimensions: thread #12-24; thread diameter 5.5 mm; threads per inch 24; pitch 1.1 mm; inch to 25.4 mm; length under head in 0.5; length under head 12.7 mm; head diameter 8.7 mm; head height 5.5 mm; socket across flats 4 mm; socket depth 2.3 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Socket cap screw #10-24 UNCstep#10-24Rotate in 3D
    Socket cap screw #10-24 UNC

    Socket cap screw #10-24 UNC, modeled from published dimensions. Overall 7.9 x 7.9 x 17.5 mm. Key dimensions: thread #10-24; thread diameter 4.8 mm; threads per inch 24; pitch 1.1 mm; inch to 25.4 mm; length under head in 0.5; length under head 12.7 mm; head diameter 7.9 mm; head height 4.8 mm; socket across flats 4 mm; socket depth 2.3 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt #8-32 UNCstep#8-32Rotate in 3D
    Hex bolt #8-32 UNC

    Hex bolt #8-32 UNC, modeled from published dimensions. Overall 7.3 x 6.4 x 15.5 mm. Key dimensions: thread #8-32; thread diameter 4.2 mm; threads per inch 32; pitch 0.8 mm; inch to 25.4 mm; length under head in 0.5; length under head 12.7 mm; head across flats 6.4 mm; head height 2.8 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt 7/16-14 UNCstep7/16-14Rotate in 3D
    Hex bolt 7/16-14 UNC

    Hex bolt 7/16-14 UNC, modeled from published dimensions. Overall 18.3 x 15.9 x 32.9 mm. Key dimensions: thread 7/16-14; thread diameter 11.1 mm; threads per inch 14; pitch 1.8 mm; inch to 25.4 mm; length under head in 1; length under head 25.4 mm; head across flats 15.9 mm; head height 7.5 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt #6-32 UNCstep#6-32Rotate in 3D
    Hex bolt #6-32 UNC

    Hex bolt #6-32 UNC, modeled from published dimensions. Overall 7.3 x 6.4 x 11.9 mm. Key dimensions: thread #6-32; thread diameter 3.5 mm; threads per inch 32; pitch 0.8 mm; inch to 25.4 mm; length under head in 0.4; length under head 9.5 mm; head across flats 6.4 mm; head height 2.4 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt 5/16-18 UNCstep5/16-18Rotate in 3D
    Hex bolt 5/16-18 UNC

    Hex bolt 5/16-18 UNC, modeled from published dimensions. Overall 14.7 x 12.7 x 24.6 mm. Key dimensions: thread 5/16-18; thread diameter 7.9 mm; threads per inch 18; pitch 1.4 mm; inch to 25.4 mm; length under head in 0.8; length under head 19 mm; head across flats 12.7 mm; head height 5.6 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt #4-40 UNCstep#4-40Rotate in 3D
    Hex bolt #4-40 UNC

    Hex bolt #4-40 UNC, modeled from published dimensions. Overall 5.5 x 4.8 x 11 mm. Key dimensions: thread #4-40; thread diameter 2.8 mm; threads per inch 40; pitch 0.6 mm; inch to 25.4 mm; length under head in 0.4; length under head 9.5 mm; head across flats 4.8 mm; head height 1.5 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt 3/8-16 UNCstep3/8-16Rotate in 3D
    Hex bolt 3/8-16 UNC

    Hex bolt 3/8-16 UNC, modeled from published dimensions. Overall 16.5 x 14.3 x 31.8 mm. Key dimensions: thread 3/8-16; thread diameter 9.5 mm; threads per inch 16; pitch 1.6 mm; inch to 25.4 mm; length under head in 1; length under head 25.4 mm; head across flats 14.3 mm; head height 6.4 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt 1/4-20 UNCstep1/4-20Rotate in 3D
    Hex bolt 1/4-20 UNC

    Hex bolt 1/4-20 UNC, modeled from published dimensions. Overall 12.8 x 11.1 x 23.4 mm. Key dimensions: thread 1/4-20; thread diameter 6.4 mm; threads per inch 20; pitch 1.3 mm; inch to 25.4 mm; length under head in 0.8; length under head 19 mm; head across flats 11.1 mm; head height 4.4 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hex bolt 1/2-13 UNCstep1/2-13Rotate in 3D
    Hex bolt 1/2-13 UNC

    Hex bolt 1/2-13 UNC, modeled from published dimensions. Overall 22 x 19.1 x 34.1 mm. Key dimensions: thread 1/2-13; thread diameter 12.7 mm; threads per inch 13; pitch 2 mm; inch to 25.4 mm; length under head in 1; length under head 25.4 mm; head across flats 19 mm; head height 8.7 mm. Modeled right-hand nominal 60-degree threads. Tolerance allowances, root radii and manufacturing runouts are simplified; use the stated nominal dimensions for layout. Inch specifications are converted using exactly 25.4 mm per inch. Numbered machine-screw nuts use ASME B18.6.3 dimensions; larger full hex nuts use the cited ASME B18.2.2 supplier table. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

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