SK shaft supports SK8–SK60: centre height, base, bolt spacing and hole size for linear rods — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/sk-shaft-supports/ (sheet CC BY 4.0) Basis: Wangong's SK series table (manufacturer datasheet, hosted by Phidgets) checked against the Motion-and-Drives and Handsontec SK tables, which carry identical values Catalog version: 2026-10-20 Sizes: see table below - Dimensions are exact nominal, true size, no tolerance added. Shaft axis horizontal, base flat on the mounting surface. h = shaft centre height above the base (±0.02 on Wangong's drawing), A = width, B = length along the shaft, C = overall height, E = base thickness, F = width of the upright clamp body, R = bolt spacing, T = bolt hole diameter. A/2 is the datum from the side face to the shaft centre (±0.05). - SK8 and SK10 share one housing (42 wide, 20 centre height, 32 bolt spacing); so do SK12 and SK13. Only the bore differs. - The files model the base plate, the upright clamp body, the shaft bore at h and the two vertical bolt holes. Not modelled: the clamp slit and pinch screw (position not tabled) and the rounded top corners (radius not published), so the top is drawn square. - Wangong's table also prints a column S (5 to 14 mm) that its text does not define; it is listed as printed and not used in the files. - Files: sk-shaft-supports--sk8, sk-shaft-supports--sk10, sk-shaft-supports--sk12, sk-shaft-supports--sk16, sk-shaft-supports--sk20, sk-shaft-supports--sk25, sk-shaft-supports--sk30. size shaft d h centre height A width B length C height E base F upright R bolt spacing T hole S (undefined) clamp bolt mounting bolt mass g SK8 8 20 42 14 32.8 6 18 32 5.5 5 M4 M5 24 SK10 10 20 42 14 32.8 6 18 32 5.5 5 M4 M5 24 SK12 12 23 42 14 37.5 6 20 32 5.5 5 M4 M5 30 SK13 13 23 42 14 37.5 6 20 32 5.5 5 M4 M5 30 SK16 16 27 48 16 44 8 25 38 5.5 5 M4 M5 40 SK20 20 31 60 20 51 10 30 45 6.6 7.5 M5 M6 70 SK25 25 35 70 24 60 12 38 56 6.6 7 M6 M6 130 SK30 30 42 84 28 70 12 44 64 9 10 M6 M8 180 SK35 35 50 98 32 82 15 50 74 11 12 M8 M10 270 SK40 40 60 114 36 96 15 60 90 11 12 M8 M10 420 SK50 50 70 126 40 120 18 74 100 14 13 M12 M12 750 SK60 60 80 148 45 136 18 90 120 14 14 M12 M12 1100 Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Wangong (manufacturer datasheet, hosted by Phidgets): Linear guide products: SHF and SK series shaft supports (LMN4221_0 datasheet) — web — Publisher's page; dimensions are facts — https://phidgets.com/productfiles/LMN4221/LMN4221_0/Documentation/LMN4221_0_DataSheet.pdf - Motion-and-Drives: SK steel shaft supports technical specification — web — Publisher's page; dimensions are facts — https://cdn.shopify.com/s/files/1/0509/9690/4105/files/SK_supports_technical_specification.pdf - Handsontec: SK shaft holder data sheet — web — Publisher's page; dimensions are facts — https://handsontec.com/dataspecs/sk-shaft-holder.pdf Free files (CC BY 4.0, Xem Studio; STEP + STL, 7 parts): https://xemstudio.com/files/hardware/sk-shaft-supports/index.json API: https://xemstudio.com/api/geometry?object=sk-shaft-supports