Hex head screws, M10 to M24 (ISO 4017 / DIN 933) — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/hex-head-screws-metric-m10-m24/ (CC BY 4.0) Basis: ISO 4017: width across flats s, head height k Catalog version: 2026-10-20 Sizes: see table below - Threads are plain cylinders at the major diameter, as every thread on this site. - Fully threaded screws (ISO 4017); ISO 4014 bolts with a plain shank share the head. thread pitch_mm af_mm head_h_mm lengths_mm M10 1.5 16 6.4 16, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 M12 1.75 18 7.5 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 120 M14 2.0 21 8.8 25, 30, 40, 50, 60, 70, 80, 100 M16 2.0 24 10.0 25, 30, 40, 50, 60, 70, 80, 100, 120, 150 M20 2.5 30 12.5 40, 50, 60, 80, 100, 120, 150 M24 3.0 36 15.0 50, 60, 80, 100, 120, 150 Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - ISO: ISO 4017 Hexagon head screws — standard — ISO; dimensions are facts [verify license at link] — https://www.iso.org/standard/55969.html Free files (CC BY 4.0, Xem Studio; STEP + STL, 57 parts): https://xemstudio.com/files/hardware/hex-head-screws-metric-m10-m24/index.json API: https://xemstudio.com/api/geometry?object=hex-head-screws-metric-m10-m24