Free Fastener and Hardware CAD Models (STEP)
Metric and UNC screws, bolts, nuts, washers, threaded inserts, retaining rings, pins and bearings, as exact STEP solids at nominal size. Every file here is public domain: open it in your browser, then download it and use it for anything.
3165 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain
188 3D parts in Fasteners & hardware · Clear all
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Compression spring 16 mm OD x 40 mmCompression spring 16 mm OD x 40 mm, modeled from published dimensions. Overall 16 x 16 x 40 mm. Key dimensions: nominal outer diameter 16 mm; wire diameter 1.5 mm; free length 40 mm; turns 8; middle pitch 5.5 mm; end pitch 1.6 mm; ends Reduced pitch, planar ground. Original parameterized prototype. End pitch transitions continuously into the active coils; both ends are clipped to flat seating planes. Wire clearance is retained between turns. Geometric dimensions only. Material grade, spring rate, stresses, fatigue and load capacity are not assigned or validated. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to 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.
8.4 MBDetails & downloadstlRotate in 3D
Compression spring 10 mm OD x 20 mmCompression spring 10 mm OD x 20 mm, modeled from published dimensions. Overall 10 x 10 x 20 mm. Key dimensions: nominal outer diameter 10 mm; wire diameter 1 mm; free length 20 mm; turns 7; middle pitch 3.2 mm; end pitch 1.1 mm; ends Reduced pitch, planar ground. Original parameterized prototype. End pitch transitions continuously into the active coils; both ends are clipped to flat seating planes. Wire clearance is retained between turns. Geometric dimensions only. Material grade, spring rate, stresses, fatigue and load capacity are not assigned or validated. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to 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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75 mm swivel brake caster75 mm swivel brake caster, modeled from published dimensions. Overall 60 x 107 x 100 mm. Key dimensions: wheel diameter 75 mm; wheel width 25 mm; total height 100 mm; plate width 60 mm; plate length 60 mm; bolt pattern min 38 mm; bolt pattern max 48 mm; slot width 6.2 mm; swivel offset 29 mm; configuration swivel_brake. Installation envelope, wheel size and 38/48 mm diagonal mounting slots follow the LPA/BPA-TPA 75G reference family. Fixed wheels are centered under the mounting plate. Fork stamping, hub holes, race, axle and brake linkage are original simplified reconstructions. Brake is shown released. Bearing internals, elastic tread deformation and load ratings are not modeled. 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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75 mm swivel caster75 mm swivel caster, modeled from published dimensions. Overall 60 x 96.5 x 100 mm. Key dimensions: wheel diameter 75 mm; wheel width 25 mm; total height 100 mm; plate width 60 mm; plate length 60 mm; bolt pattern min 38 mm; bolt pattern max 48 mm; slot width 6.2 mm; swivel offset 29 mm; configuration swivel. Installation envelope, wheel size and 38/48 mm diagonal mounting slots follow the LPA/BPA-TPA 75G reference family. Fixed wheels are centered under the mounting plate. Fork stamping, hub holes, race, axle and brake linkage are original simplified reconstructions. Brake is shown released. Bearing internals, elastic tread deformation and load ratings are not modeled. 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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75 mm fixed caster75 mm fixed caster, modeled from published dimensions. Overall 60 x 75 x 100 mm. Key dimensions: wheel diameter 75 mm; wheel width 25 mm; total height 100 mm; plate width 60 mm; plate length 60 mm; bolt pattern min 38 mm; bolt pattern max 48 mm; slot width 6.2 mm; swivel offset 0 mm; configuration fixed. Installation envelope, wheel size and 38/48 mm diagonal mounting slots follow the LPA/BPA-TPA 75G reference family. Fixed wheels are centered under the mounting plate. Fork stamping, hub holes, race, axle and brake linkage are original simplified reconstructions. Brake is shown released. Bearing internals, elastic tread deformation and load ratings are not modeled. 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.
265 KBDetails & downloadstepRotate in 3D
550 mm ball-bearing drawer slide, extended550 mm ball-bearing drawer slide, extended, modeled from published dimensions. Overall 1109 x 12.7 x 45 mm. Key dimensions: closed length 550 mm; travel 559 mm; shown extension 559 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state extended. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
364 KBDetails & downloadstepRotate in 3D
550 mm ball-bearing drawer slide, closed550 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 550 x 12.7 x 45 mm. Key dimensions: closed length 550 mm; travel 559 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
364 KBDetails & downloadstepRotate in 3D
500 mm ball-bearing drawer slide, closed500 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 500 x 12.7 x 45 mm. Key dimensions: closed length 500 mm; travel 508 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
339 KBDetails & downloadstepRotate in 3D
450 mm ball-bearing drawer slide, closed450 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 450 x 12.7 x 45 mm. Key dimensions: closed length 450 mm; travel 457 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
339 KBDetails & downloadstepRotate in 3D
400 mm ball-bearing drawer slide, closed400 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 400 x 12.7 x 45 mm. Key dimensions: closed length 400 mm; travel 406 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
323 KBDetails & downloadstepRotate in 3D
350 mm ball-bearing drawer slide, closed350 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 350 x 12.7 x 45 mm. Key dimensions: closed length 350 mm; travel 356 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
319 KBDetails & downloadstepRotate in 3D
300 mm ball-bearing drawer slide, closed300 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 300 x 12.7 x 45 mm. Key dimensions: closed length 300 mm; travel 305 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
318 KBDetails & downloadstepRotate in 3D
250 mm ball-bearing drawer slide, extended250 mm ball-bearing drawer slide, extended, modeled from published dimensions. Overall 504 x 12.7 x 45 mm. Key dimensions: closed length 250 mm; travel 254 mm; shown extension 254 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state extended. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
315 KBDetails & downloadstepRotate in 3D
250 mm ball-bearing drawer slide, closed250 mm ball-bearing drawer slide, closed, modeled from published dimensions. Overall 250 x 12.7 x 45 mm. Key dimensions: closed length 250 mm; travel 254 mm; shown extension 0 mm; installation thickness 12.7 mm; height 45 mm; reference series Accuride 3832; state closed. Length, travel, 45 x 12.7 mm installation envelope and listed primary mounting datums follow the source. Coordinates start at the front end of each rail before extension. Folded races, ball diameter/count, cage, disconnect lever and auxiliary punched features are simplified. Only the listed main holes are dimensionally specified; this is not a complete drilling template or load-rated mechanism. 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.
314 KBDetails & downloadstepRotate in 3D
240 x 30 mm continuous piano hinge240 x 30 mm continuous piano hinge, modeled from published dimensions. Overall 30 x 240 x 3.5 mm. Key dimensions: length 240 mm; open width 30 mm; leaf thickness 1.2 mm; total depth 3.5 mm; hole 3 mm; hole row spacing 17 mm; first hole offset 10.5 mm; hole pitch 43.5 mm; holes 12; pose Flat open. LSD-30-240 envelope and mounting-hole pattern. Leaf folds are simplified to the stated section thickness; knuckle pitch, pin diameter and countersink detail are representative. Pin-crimp retention is omitted. Drawing table specifies 10.5 mm first-hole offset and 43.5 mm pitch. Six holes at these datums leave 12 mm at the opposite end of the 240 mm leaf; the end offsets are consequently asymmetric. 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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35 mm concealed cabinet hinge, open layout35 mm concealed cabinet hinge, open layout, modeled from published dimensions. Overall 89.8 x 57 x 26.3 mm. Key dimensions: cup drilling diameter 35 mm; minimum drilling depth 13 mm; modeled cup diameter 34.8 mm; modeled cup depth 12.8 mm; flange width 57 mm; flange depth 37.5 mm; flange height 3.2 mm; cup fixing centers 45 mm; cup fixing offset 9.5 mm; plate hole pitch 32 mm; pose Static open layout. 35 mm drilling envelope, flange dimensions and 45/9.5 mm cup pattern follow the cited CLIP top drawing. Cup clearance and 32 mm plate layout are selected modeling values. Arm, mounting saddle and link geometry are a simplified static reconstruction, not exact Blum replacement parts. Adjustment, snap-fit details and spring action are omitted; no opening sweep is certified. 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.
319 KBDetails & downloadstepRotate in 3D
30 x 30 mm metal butt hinge30 x 30 mm metal butt hinge, modeled from published dimensions. Overall 30 x 30 x 7.5 mm. Key dimensions: open width 30 mm; length 30 mm; mount pitch x 18 mm; mount pitch y 18 mm; clearance hole 4.3 mm; leaf thickness 4 mm; pin 3 mm; total height 7.5 mm; pose Flat open. GN 237 30x30 installation envelope and drilling pattern. Casting contours, knuckle segmentation and countersink rim diameter are simplified; nominal pin clearance is modeled. Leaves and pin are separate nonintersecting solids. 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.
183 KBDetails & downloadstepM4Rotate in 3D
M4 guided T-nut for I-type slot 5M4 guided T-nut for I-type slot 5, modeled from published dimensions. Overall 7.6 x 12 x 5.6 mm. Key dimensions: length 12 mm; width 7.6 mm; body height 4.6 mm; guide width 4.9 mm; thread M4 x 0.7; thread center from end 3 mm; unloaded ball projection 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. Dimensioned envelope, guide width and off-center thread location follow the drawing. The curved roll-in section is approximated by planar facets. The ball is shown extended; its spring is omitted. 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.
464 KBDetails & downloadstepRotate in 3D
Five-hole L gusset plate, 20 mm pitchFive-hole L gusset plate, 20 mm pitch, modeled from published dimensions. Overall 60 x 60 x 4 mm. Key dimensions: width 60 mm; height 60 mm; thickness 4 mm; mount pitch 20 mm; clearance hole 5.5 mm. Original plate outline using the cited 20 mm mounting grid and 4 mm thickness. M5 clearance holes are modeled at 5.5 mm; outline and corner radii are this library design, not an exact vendor replica. 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.
73 KBDetails & downloadstepRotate in 3D
18 mm corner bracket for I-type slot 518 mm corner bracket for I-type slot 5, modeled from published dimensions. Overall 18 x 19 x 19 mm. Key dimensions: mounting legs 18 mm; width 18 mm; leg thickness 3 mm; side web 1.9 mm; slot width 5.2 mm; slot length 7 mm; slot center from corner 10.5 mm; alignment tab width 5 mm. Leg size, side-web thickness and mounting-slot positions follow the drawing. Alignment tabs fit the nominal 5 mm slot; undimensioned tab projection and casting radii 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.
158 KBDetails & downloadstep40 x 40Rotate in 3D
V-slot 40 x 40 x 250 mmV-slot 40 x 40 x 250 mm, modeled from published dimensions. Overall 40 x 40 x 250 mm. Key dimensions: width 40 mm; height 40 mm; length 250 mm; slot pitch 20 mm; slot throat 6.3 mm; core bore 4.2 mm; profile series 20 series V-slot; v groove included angle deg 90. Nominal outer envelope, slot pitch/throat and core holes follow the cited drawings. Length is a selected 250 mm cut. Core holes are untapped. V faces use the dimensioned 90-degree groove and 1.8 mm lip. Undimensioned internal webs, center cavities and small corner radii are reconstructed approximations. Do not use the mesh to derive section stiffness, supplier mass or unlisted mating tolerances. 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.
498 KBDetails & downloadstep20 x 40Rotate in 3D
V-slot 20 x 40 x 250 mmV-slot 20 x 40 x 250 mm, modeled from published dimensions. Overall 40 x 20 x 250 mm. Key dimensions: width 40 mm; height 20 mm; length 250 mm; slot pitch 20 mm; slot throat 6.3 mm; core bore 4.2 mm; profile series 20 series V-slot; v groove included angle deg 90. Nominal outer envelope, slot pitch/throat and core holes follow the cited drawings. Length is a selected 250 mm cut. Core holes are untapped. V faces use the dimensioned 90-degree groove and 1.8 mm lip. Undimensioned internal webs, center cavities and small corner radii are reconstructed approximations. Do not use the mesh to derive section stiffness, supplier mass or unlisted mating tolerances. 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.
350 KBDetails & downloadstep20 x 20Rotate in 3D
V-slot 20 x 20 x 250 mmV-slot 20 x 20 x 250 mm, modeled from published dimensions. Overall 20 x 20 x 250 mm. Key dimensions: width 20 mm; height 20 mm; length 250 mm; slot pitch 20 mm; slot throat 6.3 mm; core bore 4.2 mm; profile series 20 series V-slot; v groove included angle deg 90. Nominal outer envelope, slot pitch/throat and core holes follow the cited drawings. Length is a selected 250 mm cut. Core holes are untapped. V faces use the dimensioned 90-degree groove and 1.8 mm lip. Undimensioned internal webs, center cavities and small corner radii are reconstructed approximations. Do not use the mesh to derive section stiffness, supplier mass or unlisted mating tolerances. 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.
221 KBDetails & downloadstep40 x 40Rotate in 3D
T-slot 40 x 40 x 250 mmT-slot 40 x 40 x 250 mm, modeled from published dimensions. Overall 40 x 40 x 250 mm. Key dimensions: width 40 mm; height 40 mm; length 250 mm; slot pitch 20 mm; slot throat 5 mm; core bore 4.3 mm; profile series I-type slot 5. Nominal outer envelope, slot pitch/throat and core holes follow the cited drawings. Length is a selected 250 mm cut. Core holes are untapped. T-slot geometry follows the I-type slot-5 profile, not the visually similar slot-6 or slot-8 systems. Undimensioned internal webs, center cavities and small corner radii are reconstructed approximations. Do not use the mesh to derive section stiffness, supplier mass or unlisted mating tolerances. 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.
435 KBDetails & download
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