{ "version": "2026-10-20", "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.", "slug": "traxxas-3937-screws-4x12mm-button-head-machine-hex-drive", "name": "Traxxas 3937 screws, M4 × 12 mm", "kind": "modern", "category": "RC cars", "group": "Bearings & hardware", "year": null, "question": "What size are Traxxas 3937 screws?", "tags": [ "rc parts", "replacement part", "screw", "traxxas" ], "aliases": [ "Traxxas 3937", "traxxas 3937", "Traxxas part 3937", "3937 screws, 4x12mm button-head machine (hex drive)", "Traxxas 3937 size", "Traxxas 3937 dimensions", "Traxxas 3937 replacement", "repuesto Traxxas 3937", "Traxxas 3937 Ersatzteil" ], "overall_mm": { "length": 7.61, "width": 7.61, "height": 14.21 }, "official_cad": false, "xem_status": "free-files", "les": false, "free_files": 1, "url": "https://xemstudio.com/objects/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/", "sheet_txt": "https://xemstudio.com/objects/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/sheet.txt", "sheet": { "basis": "Maker's parts list (Traxxas)", "overall_mm": { "length": 7.61, "width": 7.61, "height": 14.21 }, "notes": [ "Traxxas part 3937: Screws, 4x12mm button-head machine (hex drive) (6). Size exactly as printed in Traxxas's parts list; the file is built from that size only.", "M4 × 12 mm, shank as a plain Ø4 cylinder, ISO 7380 button head Ø7.6 × 2.2 mm.", "True size, no printing tolerance added.", "Traxxas prints the thread and length; the head is drawn to the ISO 7380 button head standard (from the catalog's screw page) because the maker gives no head size." ], "table": { "columns": [ "dimension", "value" ], "rows": [ [ "part number", "Traxxas 3937" ], [ "name (as printed)", "Screws, 4x12mm button-head machine (hex drive) (6)" ], [ "size (as printed)", "4x12mm button-head machine (hex drive)" ], [ "thread", "M4" ], [ "length", "12 mm" ], [ "head (drawn)", "ISO 7380 button head: Ø7.6 × 2.2 mm — head size not printed by Traxxas" ], [ "used in", "Traxxas Slash 2WD (1/10 short course truck, 58034)" ] ] } }, "sheet_text": "Traxxas 3937 screws, M4 × 12 mm — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/ (sheet CC BY 4.0)\nBasis: Maker's parts list (Traxxas)\nCatalog version: 2026-10-20\n\nOverall (mm): length 7.61, width 7.61, height 14.21\n- Traxxas part 3937: Screws, 4x12mm button-head machine (hex drive) (6). Size exactly as printed in Traxxas's parts list; the file is built from that size only.\n- M4 × 12 mm, shank as a plain Ø4 cylinder, ISO 7380 button head Ø7.6 × 2.2 mm.\n- True size, no printing tolerance added.\n- Traxxas prints the thread and length; the head is drawn to the ISO 7380 button head standard (from the catalog's screw page) because the maker gives no head size.\n\ndimension value\npart number Traxxas 3937\nname (as printed) Screws, 4x12mm button-head machine (hex drive) (6)\nsize (as printed) 4x12mm button-head machine (hex drive)\nthread M4\nlength 12 mm\nhead (drawn) ISO 7380 button head: Ø7.6 × 2.2 mm — head size not printed by Traxxas\nused in Traxxas Slash 2WD (1/10 short course truck, 58034)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Traxxas (sheet hosted by JEGS): Slash 2WD Unassembled Kit (Model 58014-4) parts list, REV. 201103 1248, p. 2 — web — Publisher's page; dimensions are facts — https://www.jegs.com/pdfs/430-58014-4-parts.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/index.json\nAPI: https://xemstudio.com/api/geometry?object=traxxas-3937-screws-4x12mm-button-head-machine-hex-drive\n", "sources": [ { "publisher": "Traxxas (sheet hosted by JEGS)", "title": "Slash 2WD Unassembled Kit (Model 58014-4) parts list, REV. 201103 1248, p. 2", "url": "https://www.jegs.com/pdfs/430-58014-4-parts.pdf", "formats": [ "web" ], "license": "Publisher's page; dimensions are facts", "license_verified": true, "hosted": false } ], "xem": { "status": "free-files", "sheet_free": true, "mesh_price_usd": null, "step_price_usd": null, "tolerance_mm": null }, "related": [ "traxxas-slash-2wd-parts-list", "traxxas-slash-2wd", "socket-head-cap-screws-metric", "button-head-screws-metric", "countersunk-screws-metric" ], "fits": [], "dimensions": "exact (nominal, no printing tolerance)", "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.", "mating": [], "faq": [ { "q": "What size are Traxxas 3937 screws?", "a": "M4 × 12 mm" } ], "files_license": null, "offers": [ { "file": "traxxas-3937-screws-4x12mm-button-head-machine-hex-drive-envelope", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive-envelope.step", "stl": "https://xemstudio.com/files/hardware/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive-envelope.stl", "note": "M4 × 12 mm, shank as a plain Ø4 cylinder, ISO 7380 button head Ø7.6 × 2.2 mm" } ], "markdown": "https://xemstudio.com/objects/traxxas-3937-screws-4x12mm-button-head-machine-hex-drive/index.md" }