Fornitore di viti per macchine in ossido nero Cina
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.
Specifiche rapide
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 prodotti di fissaggio can be reviewed to keep size list, finish notes, and packaging labels consistent.
Descrizioni di acquisto comuni
- 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
Approvvigionamento di elementi di fissaggio correlati
Buyers who need common screw formats can review vite a testa cilindrica options. For projects that also include bolts, XZ Fastener can discuss DIN Bulloni a testa esagonale a filettatura completa 933, bulloni esagonali in acciaio al carbonio Grade 8.8, bulloni a testa esagonale metrici, bulloni DIN 933 zincati, bulloni DIN 933 in ossido nero e bulloni DIN 933 zincati a caldo.
Tabella delle specifiche dettagliate
| Articolo | Opzioni disponibili | Note dell'acquirente |
|---|---|---|
| Tipi di prodotto | Viti a testa cilindrica, svasata, tonda, a forma di formaggio, a traliccio, SEMS, a spalla e viti per macchine personalizzate | Send drawings for non-standard head diameter, shoulder, collar, recess, washer assembly, or special length. |
| Standard | DIN, ISO, ANSI, ASME, JIS, GB o disegno personalizzato | Il numero e la revisione standard aiutano a confermare dimensioni e tolleranza. |
| Filo | Metrico grosso, metrico fine, UNC, UNF, filettatura speciale, filettatura completa o filettatura parziale | Confermare il passo della filettatura, la lunghezza della filettatura, la classe di tolleranza e i requisiti della parte di accoppiamento. |
| Tipi di unità | Phillips, a taglio, a esagono incassato, Torx, azionamento combinato, azionamento di sicurezza | La profondità dell'azionamento e la qualità della rientranza sono importanti per l'assemblaggio automatico e il controllo della coppia. |
| Materiali | Carbon steel, low carbon steel, alloy steel, stainless steel, brass, or specified material | Material should match strength, corrosion exposure, appearance, and assembly method. |
| Finitura superficiale | 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. |
| Ispezione | Dimension, thread gauge, head height, drive fit, finish appearance, hardness, burr control, packing check | I rapporti di ispezione possono essere forniti in base ai requisiti dell'ordine. |
| Imballaggio | Cartone sfuso, scatola piccola, sacchetto di plastica, imballaggio in kit, etichetta, codice a barre, imballaggio su pallet | Confirm carton weight, inner bag quantity, label format, and warehouse receiving requirements. |
Spiegazione del materiale e del grado
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 elementi di fissaggio personalizzati realizzati su disegno, especially when the screw must match a housing, insert, standoff, or installation tool.
Guida alla selezione della finitura superficiale
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 Guida ai fissaggi in ossido nero e zincato e il tabella comparativa delle finiture superficiali can help buyers evaluate appearance, service environment, and cost direction.
Produzione e controllo qualità
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 Lista di controllo per l'ispezione della qualità degli elementi di fissaggio per definire i requisiti di ispezione prima della produzione.
Applicazioni
- Machinery covers, guards, brackets, and fixture assemblies
- Electrical cabinets, control panels, instruments, and enclosures
- Appliance panels, lighting hardware, furniture hardware, and visible fittings
- Prodotti OEM che utilizzano fori filettati, inserti filettati, dadi o distanziatori
- Automotive interior hardware and non-exterior metal assemblies
- Maintenance kits and distributor stock requiring dark-finish screws
Come ottenere un preventivo più velocemente
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.
Per gli articoli personalizzati, includere la tolleranza, il campione di finitura, il controllo delle bave, i requisiti dell'utensile di azionamento e se la vite viene utilizzata con un dado, un foro maschiato, un inserto o un componente in plastica. Gli acquirenti possono inviare i dettagli tramite il richiedi un preventivo pagina o contattare 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?
Le viti per macchine SEMS con rondelle piatte, rondelle elastiche o rondelle speciali possono essere discusse in base al disegno, al tipo di rondella, alla finitura, alla quantità e ai requisiti di imballaggio.
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.
- Elenco delle dimensioni con diametro, lunghezza, passo della filettatura, tipo di testa e tipo di azionamento
- Dettagli di finitura tra cui ossido nero, requisiti di olio, aspetto e requisiti del campione
- Quantità per articolo e metodo di imballaggio previsto
- Inspection requirements such as thread gauge, drive fit, finish appearance, hardness, and packing check
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