The collection of 15 nuts, 21 bolts/screws and 21 rivets/pins/studs/washers was made in Blender 4.1

Render 1200x600 px jpeg (Cycles)

Transformations has been reset and model is placed at scene origin [0, 0, 0 XYZ].

Textures PBR metal-rough 2048x2048 png

• base color
• roughness
• heigh
• normal
• metallic

Each model has a ready-made UV-map without overlap

Nuts (sizes and number of polygons/vertices)

• 12 points nut (diameter 0.25 m, height 0.125 m / 2586 polygons and 2582 vertices)
• barrel nut (diameter 0.175 m, height 0.27 m / 3054 polygons and 3014 vertices)
• cap nut (diameter 0.25 m, height 0.23 m / 2784 polygons and 2734 vertices)
• coupling nut (diameter 0.160 m, height 0.33 m / 5540 polygons and 5518 vertices)
• flange nut (diameter 0.25 m, height 0.08 m / 2282 polygons and 2272 vertices)
• hexagonal nut (diameter 0.25 m, height 0.1 m / 1368 polygons and 1352 vertices)
• knurled nut (diameter 0.25 m, height 0,2 m / 3278 polygons and 3275 vertices)
• knurled nut type 2 (diameter 0.175 m, height 0.35 m / 3026 polygons and 2988 vertices)
• knurled thumb nut (diameter 0.25 m, height 0.132 m / 2810 polygons and 2806 vertices)
• lock nut (diameter 0.25 m, height 0.14 m / 1838 polygons and 1823 vertices)
• ring nut (diameter 0.25 m, height 0.376 m / 2510 polygons and 2502 vertices)
• slotted nut (diameter 0.25 m, height 0.1 m / 1768 polygons and 1763 vertices)
• square nut (length/width 0.25 m, height 0.1 m / 1594 polygons and 1590 vertices)
• thumb nut (diameter 0.25 m, height 0.08 m / 1982 polygons and 1979 vertices)
• wing nut (diameter 0.3 m, height 0.273 m / 2122 polygons and 2118 vertices)

Bolts and screws (sizes and number of polygons/vertices)

• allen bolt (diameter 0.153 m, height 0.4 m / 4898 polygons and 4860 vertices)
• elevator bolt 1 (diameter 0.188 m, height 0.5 m / 4367 polygons and 4341 vertices)
• elevator bolt 2 (diameter 0.183 m, height 0.2 m / 5475 polygons and 5447 vertices)
• eye bolt (diameter 0.316 m, height 0.5 m / 4418 polygons and 4375 vertices)
• hanger bolt (diameter 0.045 m, height 0.5 m / 8497 polygons and 8459 vertices)
• hex bolt 1 (diameter 0.212 m, height 0.5 m / 5663 polygons and 5637 vertices)
• hex bolt 2 (diameter 0.157 m, height 0.5 m / 4988 polygons and 4980 vertices)
• hexagonal socket set screw (diameter 0.07 m, height 0.25 m / 3800 polygons and 3756 vertices)
• hook bolt (diameter 0.169 m, height 0.5 m / 9110 polygons and 9072 vertices)
• knob bolt (diameter 0.314 m, height 0.5 m / 4993 polygons and 4992 vertices)
• mashine screw 1 (diameter 0.166 m, height 0.5 m / 5591 polygons and 5559 vertices)
• mashine screw 2 (diameter 0.16 m, height 0.5 m / 5841 polygons and 5837 vertices)
• sex bolt (diameter 0.113 m, height 0.2 m / 5404 polygons and 5397 vertices)
• slotted set screw (diameter 0.07 m, height 0.2 m / 3129 polygons and 3108 vertices)
• socket screw (diameter 0.159 m, height 0.4 m / 4347 polygons and 4322 vertices)
• square head bolt (diameter 0.18 m, height 0.5 m / 4070 polygons and 4032 vertices)
• thumb screw (diameter 0.22 m, height 0.5 m / 4719 polygons and 4681 vertices)
• u bolt (width 0.376 m, height 0.5 m / 8572 polygons and 8530 vertices)
• wing bolt (diameter 0.33 m, height 0.5 m / 5002 polygons and 4964 vertices)
• wood screw 1 (diameter 0.104 m, height 0.4 m / 2305 polygons and 2256 vertices)
• wood screw 2 (diameter 0.1 m, height 0.4 m / 3089 polygons and 3050 vertices)

Rivets, pins, studs and washers (sizes and number of polygons/vertices)

• c-washer (diameter 0.25 m, height 0.016 m / 4122 polygons and 4124 vertices)
• circle cotter pin (diameter 0.3 m, height 0.05 m / 2128 polygons and 2114 vertices)
• clinch stud (diameter 0.155 m, height 0.4 m / 3170 polygons and 3132 vertices)
• conical head rivet (diameter 0.149 m, height 0.32 m / 832 polygons and 802 vertices)
• conical washer (diameter 0.25 m, height 0.026 m / 2560 polygons and 2560 vertices)
• countersunk head rivet (diameter 0.119 m, height 0.28 m / 672 polygons and 642 vertices)
• countersunk washer (diameter 0.25 m, height 0.04 m / 2496 polygons and 2496 vertices)
• crescent washer (width 0.15 m, legnth 0.29 m height 0.08 m / 8448 polygons and 8440 vertices)
• dome washer (diameter 0.25 m, height 0.05 m / 2048 polygons and 2048 vertices)
• double end stud (diameter 0.08 m, height 0.8 m / 6008 polygons and 6766 vertices)
• external tooth washer (diameter 0.25 m, height 0.02 m / 3528 polygons and 3480 vertices)
• fender washer (diameter 0.25 m, height 0.006 m / 128 polygons and 128 vertices)
• flat head rivet (diameter 0.1 m, height 0.12 m / 672 polygons and 642 vertices)
• fully threaded stud (diameter 0.06 m, height 0.64 m / 5712 polygons and 5674 vertices)
• hair pin cotter pin (width 0.179 m, length 0.48 height 0.02 m / 1560 polygons and 1538 vertices)
• internal tooth washer (diameter 0.25 m, height 0.014 m / 1896 polygons and 1896 vertices)
• non threaded clevis pin (diameter 0.235 m, height 0.52 m / 1056 polygons and 992 vertices)
• shoulder washer (diameter 0.25 m, height 0.08 m / 2880 polygons and 2880 vertices)
• snap head rivet (diameter 0.11 m, height 0.32 m / 672 polygons and 642 vertices)
• split pin (width 0.02 m, length 0.48 m, height 0.07 m / 1656 polygons and 1657 vertices)
• split washer (diameter 0.25 m, height 0.04 m / 1090 polygons and 1092 vertices)

Formats:

• blend 
• fbx 
• obj