Is e seòrsa de fastener meatailt aig a bheil sia taobhan a th’ ann an cnò sia-thaobhach.Tha a 'mhòr-chuid de chnothan air an gearradh ann an cumadh sia-thaobhach, oir tha e coltach gur e seo an cumadh as fhasa a thuigsinn.Bithear a’ cleachdadh chnothan, ann an cruth sam bith, cha mhòr a-mhàin gus bolt a cheangal ri nì eile. a thathas a’ cleachdadh ann an co-bhonn ri fastener le snàithlean bhon taobh a-muigh leithid sgriubha caip ceann hex, bolt carbaid, no stud snàthaichte.Tha Hex Nuts air an tionndadh le sreang no socaid.
Cnothan hex Tha tomhasan air am mìneachadh an dà chuid ann an meatrach agus ìmpireil le pitch garbh natinao aonaichte (UNC), agus pitch grinn (UNF), BSW agus snàithlean meatrach.
Bidh Metric & Multistandard Components Corp a’ toirt seachad Metric Hexagon Nuts ann an iomadh stuth eadar-dhealaichte a’ gabhail a-steach Clasaichean Seilbh4, 8, 10, agus 12, Stàilinn.
| Meud | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
| Pairc | 0.5 | 0.7 | 0.8 | 1.0 | 1.25 | 1.5 | 1.75 | 2.0 | 2.0 | 2.5 |
| A/F | 5.5MM | 0.7mm | 0.8MM | 10MM | 13mm | 17 mm | 19MM | 22MM | 24 mm | 30MM |
| Tigheadas | 1.8MM | 2.2MM | 2.7MM | 3.2MM | 4.0MM | 5.0MM | 6MM | 7MM | 8MM | 10MM |
| Meud | M22 | M24 | M27 | M30 | M33 | M36 |
| Pairc | 2.5 | 3.0 | 3.0 | 3.5 | 3.5 | 4.0 |
| A/F | 32MM | 36MM | 41 mm | 46MM | 50MM | 55 mm |
| Tigheadas | 11mm | 12MM | 13.5MM | 15mm | 16.5MM | 18MM |
| Meud | M8 | M10 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 |
| Pairc | 1.0 | 1.0 | 1.25 | 1.25 & 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| A/F | 13mm | 17 mm | 14mm & 17mm | 17mm & 19mm | 22MM | 24 mm | 27 mm | 30MM | 32MM | 36MM |
| Tigheadas | 4.0MM | 5.0MM | 5.0MM | 6MM | 7MM | 8MM | 9MM | 10MM | 11mm | 12MM |
