Free Mechanical 3D Models

Machined parts, gears, ball bearings, stepper motors and other mechanical components. Every file here is public domain: open it in your browser, then download it and use it for anything.

3424 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

All 3424Furniture & interiors 864People & figures 323Mechanical 310Architecture & BIM 287Electronics & PCB 248Art & decor 220Lighting 208Fasteners & hardware 188Tools & jigs 159Vehicles 158Nature & terrain 147Floor plans & site plans 6Other 365
All mechanicalPiping & HVAC 40Test parts (NIST) 33Gears & gearboxes 24Motors 19Bearings 19Screws & bolts 17Belts, pulleys & chains 16Linear motion 11Retaining rings & pins 9Robots & engines 8Extrusion & framing 6Washers 6Shaft collars 6Shaft couplings 4Nuts 4Springs 4
Features:Real-world scale 274Textured / materials 36Assembly 198CAD solid 256

310 3D parts in Mechanical · Clear all

  • Belt drive with attached guardstepRotate in 3D
    Belt drive with attached guard

    Belt drive with attached guard. Overall size 0.560 x 0.290 x 0.282 m; original unbranded model. Overall 560 x 290 x 282 mm. Nominal size: 560.00 x 290.00 x 281.50 mm overall. 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.

    2.1 MBDetails & download
  • Endless webbing lifting slingstepRotate in 3D
    Endless webbing lifting sling

    Endless webbing lifting sling. Overall size 0.070 x 0.165 x 0.911 m; original unbranded model. Overall 70 x 165 x 911 mm. Nominal size: 70.50 x 164.78 x 911.67 mm overall. 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.

    543 KBDetails & download
  • Eye-to-eye turnbuckle M8stepM8Rotate in 3D
    Eye-to-eye turnbuckle M8

    Eye-to-eye turnbuckle M8. Overall size 0.023 x 0.014 x 0.220 m; original unbranded model. Overall 23 x 14 x 220 mm. Nominal size: 23.00 x 13.60 x 220.00 mm overall. 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.

    4.2 MBDetails & download
  • Eye-to-eye turnbuckle M20stepM20Rotate in 3D
    Eye-to-eye turnbuckle M20

    Eye-to-eye turnbuckle M20. Overall size 0.058 x 0.034 x 0.430 m; original unbranded model. Overall 58 x 34 x 430 mm. Nominal size: 58.00 x 34.00 x 430.00 mm overall. 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.

    4.7 MBDetails & download
  • Eye-to-eye turnbuckle M12stepM12Rotate in 3D
    Eye-to-eye turnbuckle M12

    Eye-to-eye turnbuckle M12. Overall size 0.036 x 0.020 x 0.275 m; original unbranded model. Overall 36 x 20 x 275 mm. Nominal size: 36.00 x 20.40 x 275.00 mm overall. 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.

    4.0 MBDetails & download
  • Scissor lift tablestepRotate in 3D
    Scissor lift table

    Scissor lift table. Overall size 0.928 x 0.500 x 0.870 m; original unbranded model. Overall 928 x 500 x 870 mm. Nominal size: 928.00 x 500.00 x 870.00 mm overall. 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.

    3.6 MBDetails & download
  • Hand pallet lifterstepRotate in 3D
    Hand pallet lifter

    Hand pallet lifter. Overall size 1.608 x 0.520 x 1.075 m; original unbranded model. Overall 1608 x 520 x 1075 mm. Nominal size: 1608.23 x 520.00 x 1074.59 mm overall. 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.

    2.2 MBDetails & download
  • Lifting hook with safety latchstepRotate in 3D
    Lifting hook with safety latch

    Lifting hook with safety latch. Overall size 0.098 x 0.022 x 0.160 m; original unbranded model. Overall 98 x 22 x 160 mm. Nominal size: 98.00 x 22.00 x 160.30 mm overall. 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.

    465 KBDetails & download
  • Folding engine cranestepRotate in 3D
    Folding engine crane

    Folding engine crane. Overall size 1.780 x 1.065 x 1.828 m; original unbranded model. Overall 1780 x 1065 x 1828 mm. Nominal size: 1780.00 x 1065.00 x 1828.27 mm overall. 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.

    2.9 MBDetails & download
  • Electric hoist on beam trolleystepRotate in 3D
    Electric hoist on beam trolley

    Electric hoist on beam trolley. Overall size 0.640 x 0.371 x 1.040 m; original unbranded model. Overall 640 x 371 x 1040 mm. Nominal size: 640.00 x 371.00 x 1039.86 mm overall. 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.

    1.6 MBDetails & download
  • DIN 582-style lifting eye nut M8stepM8Rotate in 3D
    DIN 582-style lifting eye nut M8

    DIN 582-style lifting eye nut M8. Overall size 0.036 x 0.020 x 0.036 m; original unbranded model. Overall 36 x 20 x 36 mm. Nominal size: 36.00 x 20.00 x 36.00 mm overall. 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.

    859 KBDetails & download
  • DIN 582-style lifting eye nut M20stepM20Rotate in 3D
    DIN 582-style lifting eye nut M20

    DIN 582-style lifting eye nut M20. Overall size 0.072 x 0.040 x 0.071 m; original unbranded model. Overall 72 x 40 x 71 mm. Nominal size: 72.00 x 40.00 x 71.00 mm overall. 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.

    905 KBDetails & download
  • DIN 582-style lifting eye nut M12stepM12Rotate in 3D
    DIN 582-style lifting eye nut M12

    DIN 582-style lifting eye nut M12. Overall size 0.054 x 0.030 x 0.053 m; original unbranded model. Overall 54 x 30 x 53 mm. Nominal size: 54.00 x 30.00 x 53.00 mm overall. 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.

    899 KBDetails & download
  • DIN 580-style lifting eye bolt M8stepM8Rotate in 3D
    DIN 580-style lifting eye bolt M8

    DIN 580-style lifting eye bolt M8. Overall size 0.036 x 0.020 x 0.049 m; original unbranded model. Overall 36 x 20 x 49 mm. Nominal size: 36.00 x 20.00 x 49.00 mm overall. 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.

    949 KBDetails & download
  • DIN 580-style lifting eye bolt M6stepM6Rotate in 3D
    DIN 580-style lifting eye bolt M6

    DIN 580-style lifting eye bolt M6. Overall size 0.036 x 0.020 x 0.049 m; original unbranded model. Overall 36 x 20 x 49 mm. Nominal size: 36.00 x 20.00 x 49.00 mm overall. 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.

    1.1 MBDetails & download
  • DIN 580-style lifting eye bolt M24stepM24Rotate in 3D
    DIN 580-style lifting eye bolt M24

    DIN 580-style lifting eye bolt M24. Overall size 0.090 x 0.050 x 0.126 m; original unbranded model. Overall 90 x 50 x 126 mm. Nominal size: 90.00 x 50.00 x 126.00 mm overall. 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.

    1024 KBDetails & download
  • DIN 580-style lifting eye bolt M16stepM16Rotate in 3D
    DIN 580-style lifting eye bolt M16

    DIN 580-style lifting eye bolt M16. Overall size 0.063 x 0.035 x 0.089 m; original unbranded model. Overall 63 x 35 x 89 mm. Nominal size: 63.00 x 35.00 x 89.00 mm overall. 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.

    1.1 MBDetails & download
  • DIN 580-style lifting eye bolt M12stepM12Rotate in 3D
    DIN 580-style lifting eye bolt M12

    DIN 580-style lifting eye bolt M12. Overall size 0.054 x 0.030 x 0.073 m; original unbranded model. Overall 54 x 30 x 73 mm. Nominal size: 54.00 x 30.00 x 73.50 mm overall. 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.

    1020 KBDetails & download
  • DIN 580-style lifting eye bolt M10stepM10Rotate in 3D
    DIN 580-style lifting eye bolt M10

    DIN 580-style lifting eye bolt M10. Overall size 0.045 x 0.025 x 0.062 m; original unbranded model. Overall 45 x 25 x 62 mm. Nominal size: 45.00 x 25.00 x 62.00 mm overall. 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.

    971 KBDetails & download
  • D shackle, 8 mm pinstepRotate in 3D
    D shackle, 8 mm pin

    D shackle, 8 mm pin. Overall size 0.039 x 0.016 x 0.042 m; original unbranded model. Overall 39 x 16 x 42 mm. Nominal size: 38.92 x 16.40 x 41.88 mm overall. 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.

    110 KBDetails & download
  • D shackle, 20 mm pinstepRotate in 3D
    D shackle, 20 mm pin

    D shackle, 20 mm pin. Overall size 0.097 x 0.041 x 0.105 m; original unbranded model. Overall 97 x 41 x 105 mm. Nominal size: 97.30 x 41.00 x 104.70 mm overall. 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.

    119 KBDetails & download
  • D shackle, 16 mm pinstepRotate in 3D
    D shackle, 16 mm pin

    D shackle, 16 mm pin. Overall size 0.078 x 0.033 x 0.084 m; original unbranded model. Overall 78 x 33 x 84 mm. Nominal size: 77.84 x 32.80 x 83.76 mm overall. 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.

    119 KBDetails & download
  • D shackle, 12 mm pinstepRotate in 3D
    D shackle, 12 mm pin

    D shackle, 12 mm pin. Overall size 0.058 x 0.025 x 0.063 m; original unbranded model. Overall 58 x 25 x 63 mm. Nominal size: 58.38 x 24.60 x 62.82 mm overall. 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.

    110 KBDetails & download
  • Two-leg chain slingstepRotate in 3D
    Two-leg chain sling

    Two-leg chain sling. Overall size 0.815 x 0.030 x 1.143 m; original unbranded model. Overall 815 x 30 x 1143 mm. Nominal size: 814.71 x 30.00 x 1143.29 mm overall. 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.

    2.0 MBDetails & download

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