fournisseur de vis à métaux à oxyde noir Chine
XZ Fastener supplies black oxide machine screws from China for machinery covers, electrical cabinets, brackets, instruments, fixtures, appliance panels, and OEM metal assemblies where a dark appearance and controlled thread fit are required. Pan head, countersunk, round head, cheese head, slotted, Phillips, hex socket, Torx, SEMS, and custom machine screws can be supplied according to DIN, ISO, ANSI, drawing, sample, material grade, finish, quantity, packaging, and inspection requirement. Black oxide with oil provides a clean black surface, mild corrosion protection, and low coating build-up for accurate assembly with tapped holes, nuts, inserts, and standoffs.
Spécifications rapides
What Buyers Should Know Before Sourcing Black Oxide Machine Screws
Black oxide machine screws are commonly selected when buyers need a dark finish, controlled dimensions, and stable threaded assembly. The finish is thin, so it is useful for screws that must fit accurately into tapped holes, nuts, threaded inserts, or pre-assembled hardware.
Before ordering from China, buyers should confirm the screw standard, diameter, length, thread pitch, head style, drive type, material grade, black oxide oil requirement, hardness if needed, thread tolerance, packing method, and inspection requirement. If the project includes other hardware, related produits de fixation can be reviewed to keep size list, finish notes, and packaging labels consistent.
Descriptions d'achat courantes
- Black oxide pan head machine screws with Phillips drive
- Black oxide countersunk machine screws for flush assembly
- Carbon steel black oxide machine screws in bulk cartons
- Black oxide SEMS screws with flat washer or spring washer
- Hex socket black oxide machine screws for machinery fixtures
- Custom black oxide machine screws made to drawing
Approvisionnement en fixations connexes
Buyers who need common screw formats can review vis à métaux à tête cylindrique options. For projects that also include bolts, XZ Fastener can discuss Boulons hexagonaux à filetage complet DIN 933, boulons hexagonaux en acier au carbone Grade 8.8, boulons à tête hexagonale métrique, boulons DIN 933 zingués, boulons DIN 933 en oxyde noir et boulons DIN 933 galvanisés à chaud.
Tableau des spécifications détaillées
| Article | Options disponibles | Notes de l'acheteur |
|---|---|---|
| Types de produits | Vis à tête cylindrique, fraisée, ronde, à tête cylindrique, à tête bombée, SEMS, à épaulement et vis à métaux personnalisées | Send drawings for non-standard head diameter, shoulder, collar, recess, washer assembly, or special length. |
| Normes | DIN, ISO, ANSI, ASME, JIS, GB ou dessin personnalisé | Le numéro de norme et la révision aident à confirmer les dimensions et la tolérance. |
| Sujet | Métrique grossier, métrique fin, UNC, UNF, filetage spécial, filetage complet ou filetage partiel | Confirmez le pas de filetage, la longueur du filetage, la classe de tolérance et les exigences en matière de pièces d'accouplement. |
| Types de lecteurs | Phillips, fente, douille hexagonale, Torx, lecteur combiné, lecteur de sécurité | La profondeur d'enfoncement et la qualité de l'encastrement sont importantes pour l'assemblage automatique et le contrôle du couple. |
| Matériaux | Carbon steel, low carbon steel, alloy steel, stainless steel, brass, or specified material | Material should match strength, corrosion exposure, appearance, and assembly method. |
| Finition de surface | Black oxide with oil, plain, zinc plated, nickel plated, phosphate, or other finishes upon request | Black oxide has low build-up; confirm oil requirement, appearance, and storage condition. |
| Contrôle | Dimension, thread gauge, head height, drive fit, finish appearance, hardness, burr control, packing check | Des rapports d'inspection peuvent être fournis selon les exigences de la commande. |
| Emballage | Carton en vrac, petite boîte, sac en plastique, emballage de kit, étiquette, code-barres, emballage de palette | Confirm carton weight, inner bag quantity, label format, and warehouse receiving requirements. |
Explication du matériau et de la qualité
Carbon steel machine screws are commonly used for industrial assemblies, enclosures, brackets, and general hardware. Alloy steel may be selected when higher strength or hardness is needed. Stainless steel can be used when corrosion resistance is more important than the black oxide appearance, while brass may be used for electrical or decorative applications.
For non-standard machine screws, buyers should provide drawings with material, hardness, thread tolerance, finish, head dimensions, drive details, and burr control notes. Drawing-based screw orders can be reviewed as part of fixations sur mesure réalisées selon dessin, especially when the screw must match a housing, insert, standoff, or installation tool.
Guide de sélection de finition de surface
Black oxide creates a dark surface on steel parts and is often used with oil for mild corrosion protection. Its low coating build-up helps maintain thread fit and drive dimensions, which is useful for small and medium machine screws in precision assemblies.
When stronger corrosion resistance is needed, black oxide should be compared with zinc plating, nickel plating, phosphate, stainless steel, or other finishes. The Guide des fixations oxyde noir vs zingué et le tableau comparatif des finitions de surface can help buyers evaluate appearance, service environment, and cost direction.
Fabrication et contrôle qualité
Production may include wire selection, cold heading, machining for special shapes, thread rolling or thread cutting, drive forming, cleaning, black oxide treatment, oiling, sorting, inspection, and packing. The process route depends on screw size, head form, drive type, material, tolerance, finish, and batch quantity.
Common inspection points include screw length, thread gauge, head diameter, head height, recess depth, drive fit, surface appearance, oil coverage, burr control, hardness where required, and packaging quantity. Buyers preparing an order can use the liste de contrôle pour l'inspection de la qualité des fixations définir les exigences d’inspection avant la production.
Applications
- Machinery covers, guards, brackets, and fixture assemblies
- Electrical cabinets, control panels, instruments, and enclosures
- Appliance panels, lighting hardware, furniture hardware, and visible fittings
- Produits OEM utilisant des trous taraudés, des inserts filetés, des écrous ou des entretoises
- Automotive interior hardware and non-exterior metal assemblies
- Maintenance kits and distributor stock requiring dark-finish screws
Comment obtenir un devis plus rapide
For faster review, send the screw standard or drawing, diameter, length, thread pitch, head type, drive type, material grade, black oxide finish requirement, quantity by size, packaging method, inspection requirement, and delivery destination. If the machine screw must match an existing assembly, include photos of the mating part and key measured dimensions.
For custom items, include tolerance, finish sample, burr control, drive tool requirement, and whether the screw is used with a nut, tapped hole, insert, or plastic component. Buyers can submit details through the demander un devis page ou contacter XZ Fastener for drawing and packing review.
FAQ
What information is needed to quote black oxide machine screws from China?
Please provide the screw type, standard or drawing, diameter, length, thread pitch, head style, drive type, material, black oxide requirement, quantity, packaging, inspection requirement, and destination.
Is black oxide suitable for machine screws used outdoors?
Black oxide with oil provides mild protection and a dark appearance. For outdoor, wet, or salt exposure, buyers should consider zinc plating, stainless steel, or another finish according to the service environment.
Can black oxide machine screws be supplied according to custom drawings?
Yes. Custom machine screws can be supplied according to drawing, sample, or technical requirement. The drawing should include dimensions, tolerance, material, thread, drive, finish, and inspection notes.
Which drive types are available for black oxide machine screws?
Phillips, slotted, hex socket, Torx, combination drive, and security drive options can be discussed according to the screw standard, drawing, assembly tool, and quantity requirement.
Can black oxide machine screws be supplied with washers pre-assembled?
SEMS machine screws with flat washers, spring washers, or special washers can be discussed according to drawing, washer type, finish, quantity, and packing requirement.
What quality checks are important for black oxide machine screws?
Important checks include dimensions, thread gauge, head and drive dimensions, finish appearance, oil coverage, burr control, hardness where required, and packaging quantity.
Send Your Black Oxide Machine Screw Requirement
Send your size list, finish requirement, quantity, packaging method, and inspection requirements. XZ Fastener can review standard black oxide machine screws, SEMS screws, and custom screw designs according to order requirement.
- Liste des tailles avec diamètre, longueur, pas de filetage, type de tête et type d'entraînement
- Détails de finition, y compris l'oxyde noir, les exigences en matière d'huile, l'apparence et les exigences en matière d'échantillon
- Quantité par article et mode de conditionnement prévu
- Inspection requirements such as thread gauge, drive fit, finish appearance, hardness, and packing check
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