Internal Thread Aluminum Coupling Nut Blue Hard Anodized 6061 Aluminum Female Threaded Connecting Sleeve
| MOQ: | 500 Pcs |
| Price: | 0.05 USD |
| Packaging: | Standard Export Packaging |
| Lead Time: | 7-20 Days |
| Payment Method: | T/T |
| Supply Capacity: | 2000000 Pcs / Month |
Our flat milled internal thread aluminum connecting sleeve is precision fabricated via integrated CNC turning and CNC milling processes from premium 6061 aluminum alloy. The component features precision bored internal female thread and dual flat milled wrench clamping flats for easy assembly with spanner tools. All parts go through burr removal treatment, followed by durable blue hard anodized surface finishing to enhance corrosion resistance and surface hardness. As an experienced OEM custom manufacturer, we deliver personalized custom service to modify dimension, thread specification, surface finish according to customers’ technical drawings or physical samples to match diverse mechanical connection needs across multiple industries.
| Product Name | Threaded Coupling Sleeve |
|---|---|
| Raw Material | 6061 T6 Aluminum Alloy |
| Standard Dimension | Length 22mm, Outer Diameter 8.5mm (custom size available via OEM service) |
| Machining Process | CNC Turning (outer circle, overall length, inner thread boring) + CNC Milling (double side flat milling for wrench flats) |
| Surface Finish | Hard Blue Anodizing |
| Thread Standard | Custom female internal thread, inspected by go/no-go thread gauges |
| Dimensional Tolerance | ±0.02mm precision tolerance for critical dimensions |
| Inspection | Full dimensional inspection & deburring treatment |
This aluminum female thread coupling sleeve works as connecting fastener across multiple civilian industrial fields: automation equipment accessories, electronic device internal assembly, household appliance structural connection, pneumatic component fittings, medical equipment small connectors, new energy equipment spare parts, instrumentation hardware fittings and general machinery assembly joints.
As a professional custom manufacturer, comprehensive OEM & ODM custom service is available:
- Custom dimension, length, outer diameter and thread specification based on customer drawings or physical samples
- Custom surface treatments: various anodize colors, sandblasting, polishing upon requests
- Custom flat milling size, single/double flat structure per assembly requirement
- Flexible MOQ to support small batch trial orders and mass production orders
- Precise thread control eliminates loose connection & thread mismatching trouble caused by low-precision machining
- Uniform double milled flats avoid wrench slipping during installation to save your assembly labor cost
- Hard blue anodized coating solves aluminum part rust & quick abrasion issue in regular working environments
- Strict full-size inspection reduces defective rate to cut clients’ incoming QC rejection losses
- Flexible OEM custom service avoids standard-size mismatch problem for non-standard mechanical projects
- Raw material incoming inspection to verify 6061 aluminum material certification before production
- In-process first article inspection after CNC turning & milling setup
- Thread test with professional go/no-go gauges to guarantee thread interchangeability
- Full dimensional inspection for all finished products with micrometer & caliper
- Final surface appearance check & deburr confirmation before packaging and shipment
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Can you make custom size aluminum coupling nut with non-standard thread?Yes, we provide full OEM custom service, we produce items exactly per your technical drawings or samples.
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What is your standard dimensional tolerance for CNC machined aluminum sleeves?Our critical dimension tolerance is controlled at ±0.02mm, tighter tolerance is negotiable for special projects.
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Is blue hard anodizing the only available surface finish option?No, multiple anodize colors and alternative surface treatments are available via custom service.
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What is your minimum order quantity for custom CNC machined coupler nuts?We accept small trial orders, flexible MOQ supports prototype and bulk production.
