{"parts":[{"path":"./inventory/f1f42995-2528-56d5-8fb7-348b2017584f/v1/","files":{"meta":"{\"format\":1,\"id\":\"f1f42995-2528-56d5-8fb7-348b2017584f\",\"version\":1,\"kind\":\"family\",\"slug\":\"pololu-mounting-hub\",\"name\":\"Universal Mounting Hub\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD — what puts a wheel on a motor shaft. Twelve SKUs across six bores and three thread sizes, and every one is a distinct drawing: the tapped holes really are 1.78, 2.26 and 2.50 mm, which are the tap drills for #2-56, #4-40 and M3. The 3, 4 and 5 mm hubs are a 5 mm thick disc with four holes on a 12.7 mm circle and one set screw; the 6, 8 and 1/4″ hubs are 9.2 mm thick with six on a 19.05 mm circle and two set screws. Both circles are the ones Pololu's own wheels carry.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"set screw\",\"aluminum\"],\"tags\":[],\"attributes\":{\"material\":\"aluminium\"},\"selectors\":[{\"name\":\"model\",\"label\":\"Model\",\"type\":\"enum\",\"default\":\"3mm shaft, M3 holes\",\"options\":[\"3mm shaft, #2-56 holes\",\"3mm shaft, #4-40 holes\",\"3mm shaft, M3 holes\",\"4mm shaft, #4-40 holes\",\"4mm shaft, M3 holes\",\"5mm shaft, #4-40 holes\",\"5mm shaft, M3 holes\",\"6mm shaft, #4-40 holes\",\"6mm shaft, M3 holes\",\"8mm shaft, M3 holes\",\"1/4\\\" shaft, #4-40 holes\",\"1/4\\\" shaft, M3 holes\"]}],\"requires\":[\"bore\"],\"variants\":[{\"match\":{\"model\":\"3mm shaft, #2-56 holes\"},\"part\":\"95bfe396-118e-596a-a460-295e73a6e071@1\"},{\"match\":{\"model\":\"3mm shaft, #4-40 holes\"},\"part\":\"8bad7e6a-b341-5084-a469-b7c260bf6409@1\"},{\"match\":{\"model\":\"3mm shaft, M3 holes\"},\"part\":\"f5f70fb1-7bbf-5e60-ad57-6d1f4a670016@1\"},{\"match\":{\"model\":\"4mm shaft, #4-40 holes\"},\"part\":\"22ef3726-058c-57f2-a359-814ee2997fca@1\"},{\"match\":{\"model\":\"4mm shaft, M3 holes\"},\"part\":\"3315456a-108b-5178-8a51-ad9152914ce8@1\"},{\"match\":{\"model\":\"5mm shaft, #4-40 holes\"},\"part\":\"2e79a216-f29b-5183-a1e0-1fd640facef5@1\"},{\"match\":{\"model\":\"5mm shaft, M3 holes\"},\"part\":\"160348af-020b-5595-81ce-2d399c272602@1\"},{\"match\":{\"model\":\"6mm shaft, #4-40 holes\"},\"part\":\"f4a4f2c3-cdb3-5215-adf4-dff7cc5bf434@1\"},{\"match\":{\"model\":\"6mm shaft, M3 holes\"},\"part\":\"bb421f33-4c2f-5fa2-883b-c1d66f6fbb10@1\"},{\"match\":{\"model\":\"8mm shaft, M3 holes\"},\"part\":\"b68a8009-be11-50bf-ac4f-0bddfad017a4@1\"},{\"match\":{\"model\":\"1/4\\\" shaft, #4-40 holes\"},\"part\":\"a08a307a-b5b1-5192-baf5-7e150eeb0340@1\"},{\"match\":{\"model\":\"1/4\\\" shaft, M3 holes\"},\"part\":\"61209a5e-8e43-5c67-b009-b21792a4dfb5@1\"}],\"related\":[\"1d7866e6-d511-5879-834b-b1d6dbf082f8@1\",\"e1b08753-fa71-4c15-afd4-797f4217215f@1\",\"4d48e13f-be0a-447e-a4c5-7b7b0a5a3148@1\",\"79553f29-882d-50c2-a85b-99a63a069b03@1\",\"f12c0374-faf3-4159-b26a-15253192faa2@1\",\"a77f49af-3c23-462c-be19-1ffd35076870@1\",\"a439b9c4-e1b9-4428-a077-292857619da4@1\"]}"}},{"path":"./inventory/95bfe396-118e-596a-a460-295e73a6e071/v1/","files":{"meta":"{\"format\":1,\"id\":\"95bfe396-118e-596a-a460-295e73a6e071\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-3mm-shaft-2-56\",\"name\":\"Universal Mounting Hub, 3mm shaft, #2-56 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 17.5 mm disc 5.0 mm thick with a 3.0 mm bore for a 3mm shaft and 4 holes tapped #2-56 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"3mm\",\"2-56\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":3,\"holes\":\"#2-56\",\"across\":17.5,\"SKU\":\"1079\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"2.8 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1079\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J159/1079-3mm-2-56-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/8bad7e6a-b341-5084-a469-b7c260bf6409/v1/","files":{"meta":"{\"format\":1,\"id\":\"8bad7e6a-b341-5084-a469-b7c260bf6409\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-3mm-shaft-4-40\",\"name\":\"Universal Mounting Hub, 3mm shaft, #4-40 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 17.5 mm disc 5.0 mm thick with a 3.0 mm bore for a 3mm shaft and 4 holes tapped #4-40 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"3mm\",\"4-40\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":3,\"holes\":\"#4-40\",\"across\":17.5,\"SKU\":\"1078\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"2.8 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1078\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J437/1078-3mm-4-40-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/f5f70fb1-7bbf-5e60-ad57-6d1f4a670016/v1/","files":{"meta":"{\"format\":1,\"id\":\"f5f70fb1-7bbf-5e60-ad57-6d1f4a670016\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-3mm-shaft-m3\",\"name\":\"Universal Mounting Hub, 3mm shaft, M3 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 17.5 mm disc 5.0 mm thick with a 3.0 mm bore for a 3mm shaft and 4 holes tapped M3 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"3mm\",\"M3\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":3,\"holes\":\"M3\",\"across\":17.5,\"SKU\":\"1996\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"2.8 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1996\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J661/1996-3mm-m3-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/22ef3726-058c-57f2-a359-814ee2997fca/v1/","files":{"meta":"{\"format\":1,\"id\":\"22ef3726-058c-57f2-a359-814ee2997fca\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-4mm-shaft-4-40\",\"name\":\"Universal Mounting Hub, 4mm shaft, #4-40 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 19.0 mm disc 5.0 mm thick with a 4.0 mm bore for a 4mm shaft and 4 holes tapped #4-40 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"4mm\",\"4-40\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":4,\"holes\":\"#4-40\",\"across\":19,\"SKU\":\"1081\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"3.2 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1081\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J160/1081-4mm-4-40-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/3315456a-108b-5178-8a51-ad9152914ce8/v1/","files":{"meta":"{\"format\":1,\"id\":\"3315456a-108b-5178-8a51-ad9152914ce8\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-4mm-shaft-m3\",\"name\":\"Universal Mounting Hub, 4mm shaft, M3 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 19.0 mm disc 5.0 mm thick with a 4.0 mm bore for a 4mm shaft and 4 holes tapped M3 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"4mm\",\"M3\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":4,\"holes\":\"M3\",\"across\":19,\"SKU\":\"1997\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"3.2 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1997\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J663/1997-4mm-m3-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/2e79a216-f29b-5183-a1e0-1fd640facef5/v1/","files":{"meta":"{\"format\":1,\"id\":\"2e79a216-f29b-5183-a1e0-1fd640facef5\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-5mm-shaft-4-40\",\"name\":\"Universal Mounting Hub, 5mm shaft, #4-40 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 19.0 mm disc 5.0 mm thick with a 5.0 mm bore for a 5mm shaft and 4 holes tapped #4-40 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"5mm\",\"4-40\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":5,\"holes\":\"#4-40\",\"across\":19,\"SKU\":\"1203\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"3.2 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1203\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J655/1203-5mm-4-40-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/160348af-020b-5595-81ce-2d399c272602/v1/","files":{"meta":"{\"format\":1,\"id\":\"160348af-020b-5595-81ce-2d399c272602\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-5mm-shaft-m3\",\"name\":\"Universal Mounting Hub, 5mm shaft, M3 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 19.0 mm disc 5.0 mm thick with a 5.0 mm bore for a 5mm shaft and 4 holes tapped M3 on a 12.7 mm circle — which is the bolt pattern Pololu's own wheels carry. A set screw clamps it to the shaft, through 1 tapped M3 hole that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"5mm\",\"M3\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":5,\"holes\":\"M3\",\"across\":19,\"SKU\":\"1998\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"3.2 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1998\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J665/1998-5mm-m3-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"related\":[\"9a7a7e87-a369-5631-a104-f118c530fe0d@1\",\"d3a74a32-3a3f-56ea-8de3-496114c97387@1\"],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[0,0.000089,2.499911]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/f4a4f2c3-cdb3-5215-adf4-dff7cc5bf434/v1/","files":{"meta":"{\"format\":1,\"id\":\"f4a4f2c3-cdb3-5215-adf4-dff7cc5bf434\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-6mm-shaft-4-40\",\"name\":\"Universal Mounting Hub, 6mm shaft, #4-40 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 25.4 mm disc 9.2 mm thick with a 6.0 mm bore for a 6mm shaft and 6 holes tapped #4-40 on a 19.05 mm circle — which is the bolt pattern Pololu's own wheels carry. Two set screws clamp it to the shaft, through 2 tapped M3 holes that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"6mm\",\"4-40\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":6,\"holes\":\"#4-40\",\"across\":25.4,\"SKU\":\"1083\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"6.8 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1083\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J161/1083-6mm-4-40-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[-0.000048,0.000084,2.5]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/bb421f33-4c2f-5fa2-883b-c1d66f6fbb10/v1/","files":{"meta":"{\"format\":1,\"id\":\"bb421f33-4c2f-5fa2-883b-c1d66f6fbb10\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-6mm-shaft-m3\",\"name\":\"Universal Mounting Hub, 6mm shaft, M3 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 25.4 mm disc 9.2 mm thick with a 6.0 mm bore for a 6mm shaft and 6 holes tapped M3 on a 19.05 mm circle — which is the bolt pattern Pololu's own wheels carry. Two set screws clamp it to the shaft, through 2 tapped M3 holes that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"6mm\",\"M3\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":6,\"holes\":\"M3\",\"across\":25.4,\"SKU\":\"1999\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"6.8 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1999\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J667/1999-6mm-m3-hub-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[-0.000048,0.000084,2.5]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/b68a8009-be11-50bf-ac4f-0bddfad017a4/v1/","files":{"meta":"{\"format\":1,\"id\":\"b68a8009-be11-50bf-ac4f-0bddfad017a4\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-8mm-shaft-m3\",\"name\":\"Universal Mounting Hub, 8mm shaft, M3 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 25.4 mm disc 9.2 mm thick with a 8.0 mm bore for a 8mm shaft and 6 holes tapped M3 on a 19.05 mm circle — which is the bolt pattern Pololu's own wheels carry. Two set screws clamp it to the shaft, through 2 tapped M3 holes that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"8mm\",\"M3\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":8,\"holes\":\"M3\",\"across\":25.4,\"SKU\":\"2693\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"6.7 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/2693\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J1331/pololu-universal-aluminum-mounting-hub-for-8mm-shaft-m3-holes-dimensions.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[-0.000048,0.000084,2.5]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/a08a307a-b5b1-5192-baf5-7e150eeb0340/v1/","files":{"meta":"{\"format\":1,\"id\":\"a08a307a-b5b1-5192-baf5-7e150eeb0340\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-0-25in-shaft-4-40\",\"name\":\"Universal Mounting Hub, 1/4\\\" shaft, #4-40 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 25.4 mm disc 9.2 mm thick with a 6.35 mm bore for a 1/4\\\" shaft and 6 holes tapped #4-40 on a 19.05 mm circle — which is the bolt pattern Pololu's own wheels carry. Two set screws clamp it to the shaft, through 2 tapped M3 holes that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"1/4in\",\"4-40\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":6.35,\"holes\":\"#4-40\",\"across\":25.4,\"SKU\":\"1993\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"6.7 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1993\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J708/1993-0.25in_4-40_hub.pdf\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[-0.000048,0.000084,2.5]}}","features":true,"glb":true,"edges":true},"named":true},{"path":"./inventory/61209a5e-8e43-5c67-b009-b21792a4dfb5/v1/","files":{"meta":"{\"format\":1,\"id\":\"61209a5e-8e43-5c67-b009-b21792a4dfb5\",\"version\":1,\"kind\":\"mesh\",\"slug\":\"pololu-mounting-hub-0-25in-shaft-m3\",\"name\":\"Universal Mounting Hub, 1/4\\\" shaft, M3 holes\",\"publisher\":\"Pololu\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"anodised-aluminium\"},\"summary\":\"Pololu's universal aluminium mounting hub, from their own CAD: a 25.4 mm disc 9.2 mm thick with a 6.35 mm bore for a 1/4\\\" shaft and 6 holes tapped M3 on a 19.05 mm circle — which is the bolt pattern Pololu's own wheels carry. Two set screws clamp it to the shaft, through 2 tapped M3 holes that break into the bore.\",\"keywords\":[\"pololu\",\"hub\",\"mounting\",\"adapter\",\"shaft\",\"wheel\",\"aluminium\",\"1/4in\",\"M3\",\"aluminum\"],\"tags\":[],\"attributes\":{\"bore\":6.35,\"holes\":\"M3\",\"across\":25.4,\"SKU\":\"1994\",\"type\":\"mounting hub\",\"material\":\"aluminium\",\"weight\":\"6.7 g\"},\"documents\":[{\"file\":\"drawing.svg\",\"kind\":\"drawing\",\"title\":\"Drawing, A4\"},{\"file\":\"drawing.dxf\",\"kind\":\"drawing\",\"title\":\"Drawing, A4 DXF\"}],\"links\":[{\"url\":\"https://www.pololu.com/product/1994\",\"kind\":\"product\",\"title\":\"Pololu product page\"},{\"url\":\"https://www.pololu.com/file/0J709/1994-0.25in_m3_hub.PDF\",\"kind\":\"drawing\",\"title\":\"Pololu dimension diagram\"}],\"stepFrame\":{\"r\":[1,0,0,0,1,0,0,0,1],\"t\":[-0.000048,0.000084,2.5]}}","features":true,"glb":true,"edges":true},"named":true}],"related":{"f1f42995-2528-56d5-8fb7-348b2017584f":[{"id":"1d7866e6-d511-5879-834b-b1d6dbf082f8","version":1,"name":"Plastic Gearmotor","publisher":"Various","href":"/inventory/actuators/dc-motors/plastic-gearmotor"},{"id":"e1b08753-fa71-4c15-afd4-797f4217215f","version":1,"name":"Metal Gearmotor","publisher":"Pololu","href":"/inventory/actuators/dc-motors/metal-gearmotor"},{"id":"4d48e13f-be0a-447e-a4c5-7b7b0a5a3148","version":1,"name":"Micro Metal Gearmotor","publisher":"Pololu","href":"/inventory/actuators/dc-motors/micro-metal-gearmotor"},{"id":"79553f29-882d-50c2-a85b-99a63a069b03","version":1,"name":"Pololu Wheel","publisher":"Pololu","href":"/inventory/mechanics/wheels-hubs/pololu-wheel"},{"id":"f12c0374-faf3-4159-b26a-15253192faa2","version":1,"name":"Stepper Motor","publisher":"Various","href":"/inventory/actuators/stepper-motors/stepper-motor"},{"id":"a77f49af-3c23-462c-be19-1ffd35076870","version":1,"name":"Rod","publisher":"ReDo.Pro","href":"/inventory/mechanics/shafts/rod"},{"id":"a439b9c4-e1b9-4428-a077-292857619da4","version":1,"name":"Spur Gear","publisher":"ReDo.Pro","href":"/inventory/redo/redo-structure/spur-gear"}],"95bfe396-118e-596a-a460-295e73a6e071":[],"8bad7e6a-b341-5084-a469-b7c260bf6409":[],"f5f70fb1-7bbf-5e60-ad57-6d1f4a670016":[],"22ef3726-058c-57f2-a359-814ee2997fca":[],"3315456a-108b-5178-8a51-ad9152914ce8":[],"2e79a216-f29b-5183-a1e0-1fd640facef5":[],"160348af-020b-5595-81ce-2d399c272602":[{"id":"9a7a7e87-a369-5631-a104-f118c530fe0d","version":1,"name":"NEMA 17 Stepper Motor (42 x 23)","publisher":"Generic","href":"/inventory/actuators/stepper-motors/stepper-motor/nema-17-stepper-42x23"},{"id":"d3a74a32-3a3f-56ea-8de3-496114c97387","version":1,"name":"NEMA 17 Stepper Motor 17HS4401","publisher":"Generic","href":"/inventory/actuators/stepper-motors/stepper-motor/nema-17-stepper-17hs4401"}],"f4a4f2c3-cdb3-5215-adf4-dff7cc5bf434":[],"bb421f33-4c2f-5fa2-883b-c1d66f6fbb10":[],"b68a8009-be11-50bf-ac4f-0bddfad017a4":[],"a08a307a-b5b1-5192-baf5-7e150eeb0340":[],"61209a5e-8e43-5c67-b009-b21792a4dfb5":[]},"categories":{"f1f42995-2528-56d5-8fb7-348b2017584f":"wheels-hubs","95bfe396-118e-596a-a460-295e73a6e071":"wheels-hubs","8bad7e6a-b341-5084-a469-b7c260bf6409":"wheels-hubs","f5f70fb1-7bbf-5e60-ad57-6d1f4a670016":"wheels-hubs","22ef3726-058c-57f2-a359-814ee2997fca":"wheels-hubs","3315456a-108b-5178-8a51-ad9152914ce8":"wheels-hubs","2e79a216-f29b-5183-a1e0-1fd640facef5":"wheels-hubs","160348af-020b-5595-81ce-2d399c272602":"wheels-hubs","f4a4f2c3-cdb3-5215-adf4-dff7cc5bf434":"wheels-hubs","bb421f33-4c2f-5fa2-883b-c1d66f6fbb10":"wheels-hubs","b68a8009-be11-50bf-ac4f-0bddfad017a4":"wheels-hubs","a08a307a-b5b1-5192-baf5-7e150eeb0340":"wheels-hubs","61209a5e-8e43-5c67-b009-b21792a4dfb5":"wheels-hubs"},"skuCategories":{},"componentPages":{}}