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.

3561 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

All 715Mechanical 234Fasteners & hardware 184Lighting 115Architecture & BIM 76Electronics & PCB 57Tools & jigs 57Furniture & interiors 22Vehicles 11
Features:Real-world scale 715Assembly 463Low-poly 57CAD solid 715

715 3D parts as STEP · Clear all

  • Socket cap screw M2.5 x 6stepM2.5Rotate in 3D
    Socket cap screw M2.5 x 6

    Socket cap screw M2.5 x 6, modeled from published dimensions. Overall 4.5 x 4.5 x 8.5 mm. Key dimensions: thread diameter 2.5 mm; pitch 0.5 mm; length under head 6 mm; head diameter 4.5 mm; head height 2.5 mm; socket across flats 2 mm; socket depth 1.1 mm. Head and socket nominal dimensions follow the cited DIN 912 / ISO 4762 supplier table. Full modeled right-hand thread with nominal truncated 60-degree profile. Manufacturing tolerance class, root radius and under-head fillet are simplified. 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.

    540 KBDetails & download
  • Socket cap screw M12 x 25stepM12Rotate in 3D
    Socket cap screw M12 x 25

    Socket cap screw M12 x 25, modeled from published dimensions. Overall 18 x 18 x 37 mm. Key dimensions: thread diameter 12 mm; pitch 1.8 mm; length under head 25 mm; head diameter 18 mm; head height 12 mm; socket across flats 10 mm; socket depth 6 mm. Head and socket nominal dimensions follow the cited DIN 912 / ISO 4762 supplier table. Full modeled right-hand thread with nominal truncated 60-degree profile. Manufacturing tolerance class, root radius and under-head fillet are simplified. 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.

    666 KBDetails & download
  • Socket cap screw M10 x 20stepM10Rotate in 3D
    Socket cap screw M10 x 20

    Socket cap screw M10 x 20, modeled from published dimensions. Overall 16 x 16 x 30 mm. Key dimensions: thread diameter 10 mm; pitch 1.5 mm; length under head 20 mm; head diameter 16 mm; head height 10 mm; socket across flats 8 mm; socket depth 5 mm. Head and socket nominal dimensions follow the cited DIN 912 / ISO 4762 supplier table. Full modeled right-hand thread with nominal truncated 60-degree profile. Manufacturing tolerance class, root radius and under-head fillet are simplified. 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.

    637 KBDetails & download
  • 2 x 4 ft recessed trofferstep2 x 4 ftRotate in 3D
    2 x 4 ft recessed troffer

    2 x 4 ft recessed troffer, modeled from published dimensions. Overall 603.3 x 1212.9 x 68 mm. Key dimensions: nominal grid feet 2 x 4; outer frame width 603.3 mm; outer frame length 1212.9 mm; recess depth 65 mm; face frame thickness 3 mm; cable knockout diameter 22 mm. Original unbranded model for architectural layout and visualization. Mounting clips, wiring and LED circuitry are omitted. The outer frame is 6.35 mm smaller than the nominal grid in each direction. Verify fit against the actual ceiling system. The diffuser is shown unlit. No measured photometry, lumen output, spectral distribution or electrical rating is assigned. 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.

    137 KBDetails & download
  • 2 x 2 ft recessed trofferstep2 x 2 ftRotate in 3D
    2 x 2 ft recessed troffer

    2 x 2 ft recessed troffer, modeled from published dimensions. Overall 603.3 x 603.3 x 68 mm. Key dimensions: nominal grid feet 2 x 2; outer frame width 603.3 mm; outer frame length 603.3 mm; recess depth 65 mm; face frame thickness 3 mm; cable knockout diameter 22 mm. Original unbranded model for architectural layout and visualization. Mounting clips, wiring and LED circuitry are omitted. The outer frame is 6.35 mm smaller than the nominal grid in each direction. Verify fit against the actual ceiling system. The diffuser is shown unlit. No measured photometry, lumen output, spectral distribution or electrical rating is assigned. 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.

    136 KBDetails & download
  • 1 x 4 ft recessed trofferstep1 x 4 ftRotate in 3D
    1 x 4 ft recessed troffer

    1 x 4 ft recessed troffer, modeled from published dimensions. Overall 298.5 x 1212.9 x 68 mm. Key dimensions: nominal grid feet 1 x 4; outer frame width 298.5 mm; outer frame length 1212.9 mm; recess depth 65 mm; face frame thickness 3 mm; cable knockout diameter 22 mm. Original unbranded model for architectural layout and visualization. Mounting clips, wiring and LED circuitry are omitted. The outer frame is 6.35 mm smaller than the nominal grid in each direction. Verify fit against the actual ceiling system. The diffuser is shown unlit. No measured photometry, lumen output, spectral distribution or electrical rating is assigned. 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.

    137 KBDetails & download
  • Ball bearing 625 (sealed)step625Rotate in 3D
    Ball bearing 625 (sealed)

    Ball bearing 625 (sealed), modeled from published dimensions. Overall 16 x 16 x 5 mm. Key dimensions: bore 5 mm; outside diameter 16 mm; width 5 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6205 (sealed)step6205Rotate in 3D
    Ball bearing 6205 (sealed)

    Ball bearing 6205 (sealed), modeled from published dimensions. Overall 52 x 52 x 15 mm. Key dimensions: bore 25 mm; outside diameter 52 mm; width 15 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6204 (sealed)step6204Rotate in 3D
    Ball bearing 6204 (sealed)

    Ball bearing 6204 (sealed), modeled from published dimensions. Overall 47 x 47 x 14 mm. Key dimensions: bore 20 mm; outside diameter 47 mm; width 14 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6203 (sealed)step6203Rotate in 3D
    Ball bearing 6203 (sealed)

    Ball bearing 6203 (sealed), modeled from published dimensions. Overall 40 x 40 x 12 mm. Key dimensions: bore 17 mm; outside diameter 40 mm; width 12 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6202 (sealed)step6202Rotate in 3D
    Ball bearing 6202 (sealed)

    Ball bearing 6202 (sealed), modeled from published dimensions. Overall 35 x 35 x 11 mm. Key dimensions: bore 15 mm; outside diameter 35 mm; width 11 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6201 (sealed)step6201Rotate in 3D
    Ball bearing 6201 (sealed)

    Ball bearing 6201 (sealed), modeled from published dimensions. Overall 32 x 32 x 10 mm. Key dimensions: bore 12 mm; outside diameter 32 mm; width 10 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6200 (sealed)step6200Rotate in 3D
    Ball bearing 6200 (sealed)

    Ball bearing 6200 (sealed), modeled from published dimensions. Overall 30 x 30 x 9 mm. Key dimensions: bore 10 mm; outside diameter 30 mm; width 9 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 608 (sealed)step608Rotate in 3D
    Ball bearing 608 (sealed)

    Ball bearing 608 (sealed), modeled from published dimensions. Overall 22 x 22 x 7 mm. Key dimensions: bore 8 mm; outside diameter 22 mm; width 7 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6005 (sealed)step6005Rotate in 3D
    Ball bearing 6005 (sealed)

    Ball bearing 6005 (sealed), modeled from published dimensions. Overall 47 x 47 x 12 mm. Key dimensions: bore 25 mm; outside diameter 47 mm; width 12 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6004 (sealed)step6004Rotate in 3D
    Ball bearing 6004 (sealed)

    Ball bearing 6004 (sealed), modeled from published dimensions. Overall 42 x 42 x 12 mm. Key dimensions: bore 20 mm; outside diameter 42 mm; width 12 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6003 (sealed)step6003Rotate in 3D
    Ball bearing 6003 (sealed)

    Ball bearing 6003 (sealed), modeled from published dimensions. Overall 35 x 35 x 10 mm. Key dimensions: bore 17 mm; outside diameter 35 mm; width 10 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6002 (sealed)step6002Rotate in 3D
    Ball bearing 6002 (sealed)

    Ball bearing 6002 (sealed), modeled from published dimensions. Overall 32 x 32 x 9 mm. Key dimensions: bore 15 mm; outside diameter 32 mm; width 9 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    78 KBDetails & download
  • Ball bearing 6001 (sealed)step6001Rotate in 3D
    Ball bearing 6001 (sealed)

    Ball bearing 6001 (sealed), modeled from published dimensions. Overall 28 x 28 x 8 mm. Key dimensions: bore 12 mm; outside diameter 28 mm; width 8 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • Ball bearing 6000 (sealed)step6000Rotate in 3D
    Ball bearing 6000 (sealed)

    Ball bearing 6000 (sealed), modeled from published dimensions. Overall 26 x 26 x 8 mm. Key dimensions: bore 10 mm; outside diameter 26 mm; width 8 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

    79 KBDetails & download
  • NEMA 23 stepper motor 23HS22-2804SstepNEMA 23Rotate in 3D
    NEMA 23 stepper motor 23HS22-2804S

    NEMA 23 stepper motor 23HS22-2804S, modeled from published dimensions. Overall 57.3 x 59.3 x 77 mm. Key dimensions: drawing reference 23HS22-2804S; body width max 57.3 mm; body length max 56 mm; mount hole spacing XY 47.1 mm; mount hole diameter 5.2 mm; mount hole type 5.2 mm through clearance; shaft diameter 6.4 mm; shaft projection from mount face 21 mm; shaft flat dimension 5.9 mm; shaft flat length 15 mm; locating boss diameter 38.1 mm; locating boss height 1.6 mm. Mounting pattern, nominal shaft/flat/boss geometry and maximum body envelope follow the cited manufacturer drawing. Z=0 is the mounting face. Internal motor construction, long cable, markings and connector contacts are omitted. Case seams, fastener details and connector housing are representative. Mounting taps are shown as nominal cylindrical envelopes. 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.

    310 KBDetails & download
  • NEMA 17 stepper motor 17HS15-1504SstepNEMA 17Rotate in 3D
    NEMA 17 stepper motor 17HS15-1504S

    NEMA 17 stepper motor 17HS15-1504S, modeled from published dimensions. Overall 42.3 x 48.8 x 62.8 mm. Key dimensions: drawing reference 17HS15-1504S; body width max 42.3 mm; body length max 39.3 mm; mount hole spacing XY 31 mm; mount hole diameter 3 mm; mount hole type M3 nominal threaded envelope, depth 4.5; shaft diameter 5 mm; shaft projection from mount face 23.5 mm; shaft flat dimension 4.5 mm; shaft flat length 18 mm; locating boss diameter 22 mm; locating boss height 2 mm. Mounting pattern, nominal shaft/flat/boss geometry and maximum body envelope follow the cited manufacturer drawing. Z=0 is the mounting face. Internal motor construction, long cable, markings and connector contacts are omitted. Case seams, fastener details and connector housing are representative. Mounting taps are shown as nominal cylindrical envelopes. 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.

    267 KBDetails & download
  • Slotted spring pin 8 x 30 mmstepRotate in 3D
    Slotted spring pin 8 x 30 mm

    Slotted spring pin 8 x 30 mm, modeled from published dimensions. Overall 8.1 x 8.7 x 30 mm. Key dimensions: nominal installation diameter 8 mm; free outside diameter 8.7 mm; tip diameter 5.5 mm; length 30 mm; wall thickness 1.5 mm; lead length 1.8 mm; condition Free / uninstalled; slot opening degrees 60. Nominal installation diameter differs from the larger free-state pin diameter. OD, wall section and lead dimensions follow the cited ISO 8752 / DIN 1481 table. The slot angle and tapered wall transition are representative; elastic compression and interference forces are not simulated. 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.

    36 KBDetails & download
  • Slotted spring pin 6 x 24 mmstepRotate in 3D
    Slotted spring pin 6 x 24 mm

    Slotted spring pin 6 x 24 mm, modeled from published dimensions. Overall 6.1 x 6.6 x 24 mm. Key dimensions: nominal installation diameter 6 mm; free outside diameter 6.6 mm; tip diameter 4 mm; length 24 mm; wall thickness 1.2 mm; lead length 1.3 mm; condition Free / uninstalled; slot opening degrees 60. Nominal installation diameter differs from the larger free-state pin diameter. OD, wall section and lead dimensions follow the cited ISO 8752 / DIN 1481 table. The slot angle and tapered wall transition are representative; elastic compression and interference forces are not simulated. 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.

    36 KBDetails & download

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