stainless steel flange nuts factory for DIN 6923 and Custom Metric Orders
XZ Fastener supplies stainless steel flange nuts for machinery, construction hardware, automotive brackets, electrical equipment, and outdoor assemblies where corrosion resistance and stable clamping matter. Buyers can specify DIN 6923, ISO-style dimensions, serrated or non-serrated flange faces, metric coarse threads, and A2 or A4 stainless steel materials according to order requirement. For mixed fastener packages, stainless flange nuts can be quoted together with bolts, washers, anchors, and other produits de fixation to simplify sourcing, packaging, and shipment coordination.
Spécifications rapides
Ce que les acheteurs doivent savoir avant de se procurer des écrous à bride en acier inoxydable
Flange nuts combine a hex nut body with an integrated washer-like bearing face. This helps spread load over a larger contact area and can reduce the number of separate washers in many assemblies. For serrated flange nuts, the underside teeth increase resistance to loosening on suitable mating surfaces, but they can mark soft or coated parts. When the contact surface must remain smooth, non-serrated flange nuts are usually the safer choice.
For metric projects, many buyers reference Écrous à bride DIN 6923. If the order involves stainless bolts, washers, and nuts as one assembly, review material pairing and galling risk using this guide to boulons, écrous et rondelles en acier inoxydable assortis.
Key Sourcing Points
- Confirmez la face de la bride dentelée ou non dentelée avant d'établir le prix.
- Specify thread size, pitch, tolerance, and whether Go/No-Go gauge inspection is required.
- Choose A2 stainless steel for general corrosion resistance and A4 stainless steel for marine, chemical, or chloride exposure.
- Check flange diameter, across-flat dimension, and total height against the mating hole and wrench clearance.
- For anti-loosening assemblies, confirm whether torque testing or prevailing torque requirements apply.
Descriptions d'achat courantes
Clear descriptions reduce back-and-forth during quotation and help avoid material, thread, and finish mismatches. Buyers commonly send stainless steel flange nut requirements in the following formats:
- DIN 6923 Écrous à bride dentelée en acier inoxydable A2-70, M6-M20, filetage métrique grossier, lisse/passivé.
- A4-80 stainless steel hex flange nuts, M8, M10, M12, M16, for outdoor machinery assembly.
- Non-serrated stainless steel flange nuts according to drawing, 304 material, polished bearing surface.
- Flange lock nuts for equipment brackets, stainless steel 316, carton and pallet packaging.
- Assembly order with stainless flange nuts, flat washers, and metric hex head bolts.
- Mixed shipment including DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts for distributor stock.
For broader paired parts, XZ Fastener can also discuss boulons et écrous à bride so thread fit, finish compatibility, and packaging labels are aligned before production.
Tableau des spécifications détaillées
| Article de spécification | Options typiques | Notes d'achat |
|---|---|---|
| Type de produit | Écrou à bride hexagonale, écrou à bride dentelée, écrou à bride non dentelé, contre-écrou à bride | Send a drawing if the flange OD, serration profile, or height differs from standard dimensions. |
| Référence standard | DIN 6923, style ISO 4161, style ASME B18.2.2 inch, dessin personnalisé | Standard name alone may not define all order details; size, pitch, material, and finish still need confirmation. |
| Gamme de tailles | Common metric sizes M4-M24; larger or inch sizes upon request | MOQ and lead time may vary for uncommon sizes or special tooling. |
| Sujet | Métrique grossier, métrique fin, UNC, UNF | Indiquez clairement le pas, en particulier pour les commandes de thread M10, M12 et inch. |
| Matériel | 304/A2 stainless steel, 316/A4 stainless steel, 316L, carbon steel | A4/316 est préféré pour les environnements chlorés, côtiers, marins et chimiques. |
| Catégorie de propriété | A2-50, A2-70, A4-70, A4-80 ; acier au carbone classe 8 ou alternatives de classe 10 | For critical assemblies, confirm required mechanical test documents before ordering. |
| Terminer | Plain, passivated, bright cleaned, lubricated, waxed, or project-specific finish | Lubrication can help reduce galling during stainless-on-stainless tightening. |
| Contrôle | Dimension check, thread gauge, visual inspection, hardness or tensile test as required | Des rapports d'inspection peuvent être fournis selon les exigences de la commande. |
| Emballage | Bulk carton, small box, bag, carton with pallet, buyer label | Include unit weight, carton limit, barcode, and pallet requirement when needed. |
Explication du matériau et de la qualité
A2 / 304 stainless steel is a common choice for general machinery, indoor equipment, electrical cabinets, and many construction hardware applications. It offers practical corrosion resistance and good availability across standard metric sizes.
A4 / 316 stainless steel provides better resistance in chloride, marine, coastal, and chemical environments. It is often selected for outdoor equipment, water treatment systems, marine hardware, and export projects with stricter corrosion expectations.
A4-80 or A2-70 property class may be requested when higher strength is required. Buyers should confirm whether the matching bolt grade, tightening method, and joint design are suitable for the requested nut class.
Demandes de matériaux personnalisés
When standard flange nuts do not meet the assembly requirement, XZ Fastener can review drawings, samples, and application details for attaches personnalisées. Optional requests may include altered flange diameter, special thread pitch, non-standard height, specific bearing-face design, or controlled surface roughness.
Guide de sélection de finition de surface
Stainless steel flange nuts are often ordered plain or passivated because the corrosion resistance comes mainly from the stainless material itself. Finish selection should consider the mating bolt, environment, storage conditions, and assembly method.
| Option de finition | Utilisation appropriée | Considération de l'acheteur |
|---|---|---|
| Inox uni | Assemblages généraux inox, machinerie intérieure, aspect propre | Cost-effective for many applications; confirm cleaning requirement if appearance is important. |
| Acier inoxydable passivé | Assemblages extérieurs, humides, adjacents au milieu marin et sensibles à la corrosion | Aide à améliorer l’état de la surface après fabrication et manipulation. |
| Lubrifié ou ciré | Serrage inox sur inox où le risque de grippage doit être réduit | Confirm whether the lubricant affects torque values or cleanliness requirements. |
| Placage de zinc | Carbon steel flange nuts or matching carbon steel bolt packages | Common for distributor stock; check required salt spray hours and plating color. |
| Galvanisation à chaud | Structures extérieures en acier au carbone et assemblages robustes | L'ajustement du filetage doit être contrôlé car l'épaisseur du revêtement affecte l'assemblage. |
| Oxyde noir | Équipement intérieur en acier au carbone, aspect sombre, protection contre l'huile légère | Not a substitute for strong outdoor corrosion resistance. |
If nuts, washers, and bolts are sourced as one package, use a consistent selection logic. This sélection de l'état de surface guide explains how coating choices affect the full assembly.
Fabrication et contrôle qualité
Stainless steel flange nuts are typically produced through cold forming for common sizes and suitable volumes. Larger sizes, special materials, or non-standard geometry may require hot forging, machining, or a combined process. After forming, the nut is tapped, cleaned, inspected, and packed according to the confirmed order requirement.
Quality control can include raw material verification, dimensional inspection, thread Go/No-Go gauge checking, flange diameter measurement, across-flat inspection, visual surface checks, and sampling before packing. For project orders, inspection reports, material documents, and special packaging photos can be discussed before production.
Useful Checks Before Approval
- Confirm nut runs freely on the mating bolt without thread damage.
- Check bearing face contact on the actual assembly surface.
- Review serration direction and bite condition when anti-loosening is required.
- Confirm package labels match size, material, finish, batch, and quantity.
- Utiliser guides techniques for related fastener selection and inspection topics.
Applications
Machines et équipements
Used on machine frames, guards, brackets, guide rails, and covers where integrated bearing area simplifies installation.
Automobile et transports
Suitable for brackets, clamps, body hardware, and maintenance kits where vibration resistance and repeatable assembly matter.
Matériel de construction
Applied in metal frames, rail supports, façade brackets, solar mounting accessories, and general structural hardware.
Utilisation marine et extérieure
Les écrous à bride en acier inoxydable A4/316 sont préférés là où l'humidité, le sel ou une exposition extérieure agressive doivent être pris en compte.
Armoires électriques
Utilisé pour les panneaux, les plaques de montage, les supports de mise à la terre et le matériel d'armoire en acier inoxydable nécessitant un assemblage propre.
Stock de distributeur
Common sizes can be packed in buyer-specified cartons, bags, labels, and pallets for warehouse receiving.
Comment obtenir un devis plus rapide
A clear request helps the factory quote the correct material, tooling, inspection, and packaging from the first round.
- Envoyez la norme ou le dessin : DIN 6923, style ISO, style ASME ou dessin personnalisé.
- Répertoriez la taille et le pas : par exemple, filetage M6, M8, M10, M12, M16 ou UNC/UNF inch.
- Confirmez la qualité de l'acier inoxydable et la classe de propriété : A2-70, A4-70, A4-80, 304, 316 ou 316L.
- Indiquer la face de la bride dentelée ou non.
- Provide quantity by size and expected delivery schedule.
- Exigence de finition, de lubrification, de passivation ou de nettoyage.
- Précisez l'emballage : carton en vrac, petite boîte, sac, palette, code-barres, étiquette neutre ou étiquette de l'acheteur.
- Include inspection requirements, such as thread gauge, dimensional report, material document, or pre-shipment photos.
FAQ
Can stainless steel flange nuts be supplied according to DIN 6923?
Oui. Les écrous à bride en acier inoxydable peuvent être fournis selon les dimensions DIN 6923 ou ajustés selon un dessin de l'acheteur. Veuillez confirmer la taille, le pas, le matériau, le dessous dentelé ou non et les documents d'inspection requis.
Should I choose A2 or A4 stainless steel for flange nuts?
A2/304 convient à de nombreuses utilisations industrielles générales et intérieures. A4/316 est recommandé pour les environnements marins, côtiers, chimiques, humides ou exposés aux chlorures où une plus grande résistance à la corrosion est nécessaire.
Quelle est la différence entre les écrous à bride dentelée et non dentelée ?
Les écrous à bride dentelée ont des dents sous la bride pour aider à résister au desserrage sur des surfaces appropriées. Les écrous à bride non dentelés offrent une face d'appui plus lisse et sont préférés lorsque la surface de contact ne doit pas être marquée.
Can flange nuts be quoted with matching bolts and washers?
Yes. Buyers often request flange nuts together with washers and bolts, including metric hex head bolts and DIN 933 full thread hex bolts. Provide the full size list so thread fit, material pairing, finish, and packaging can be checked together.
XZ Fastener peut-il fournir des écrous à bride en acier inoxydable personnalisés ?
Les écrous à bride en acier inoxydable personnalisés peuvent être examinés en fonction du dessin, de l'échantillon ou des exigences de l'application. Des détails tels que le diamètre de la bride, la hauteur, le pas de filetage, le profil de dentelure, le matériau et le niveau d'inspection doivent être inclus.
What information is needed for inspection before shipment?
Buyers should state whether dimensional inspection, thread Go/No-Go gauge checking, material documents, hardness testing, surface inspection, or packaging photos are required. Requirements should be confirmed before production starts.
Send Your Stainless Steel Flange Nut Inquiry
For a faster quotation, send your size list, material grade, finish, quantity, packaging method, and inspection requirements. If the flange nut is part of an assembly, include the matching bolt and washer details so thread fit and surface compatibility can be reviewed together.
Contacter XZ Fastener
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