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Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric

Dongguan Kesle Electronic Hardware Co., Ltd
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    Buy cheap Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric from wholesalers
     
    Buy cheap Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric from wholesalers
    • Buy cheap Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric from wholesalers
    • Buy cheap Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric from wholesalers
    • Buy cheap Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric from wholesalers

    Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric

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    Brand Name : Kesle
    Payment Terms : T/T,Western Union,MoneyGram,PayPal
    Delivery Time : 5-8 work days
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    Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric

    Product Positioning and Core Structure

    This product is a hollow full-thread external joint (also known as: hollow external thread sleeve, full-thread connecting pipe), featuring a full external thread wrapping + hollow through-structure design:

    • The outer surface is equipped with high-precision threads, allowing direct screwing into internal threaded interfaces (e.g., valves, pipe fittings, equipment bases).
    • The internal hollow channel supports fluid transmission, cable threading, or structural connection without media, enabling the integration of "connection + functional channel."

    Technical Parameters and Performance Highlights

    DimensionKey ParametersTechnical Analysis
    Material SystemStainless steel 304/316 (primary choice), carbon steel (zinc-plated)- 304/316: Resistant to acids, alkalis, and salt spray (salt spray test ≥100 hours), suitable for food, chemical, and marine applications.
    - Zinc-plated carbon steel: Cost-effective, ideal for dry environments (salt spray test ≥48 hours).
    Thread SpecificationsPipe threads (G1/8"–G2", NPT1/4"–NPT1"), metric threads (M8–M36)- Pipe threads: G is a parallel pipe thread (requires a sealant); NPT is a tapered pipe thread (self-sealing, suitable for high pressure).
    - Metric threads: Designed for mechanical structural connections, with a thread tolerance class of 6g.
    Custom DimensionsLength: L=10–100mm (standard: 15/20/25mm); outer diameter: D matches the thread (e.g., G1/2" outer diameter ≈20.95mm); inner diameter: d=D–2*wall thickness (wall thickness: 2–5mm)The hollow inner diameter can be customized (e.g., larger diameters for cable threading), and the wall thickness ensures tensile strength (≥200MPa).
    Surface TreatmentStainless steel mirror polishing (Ra≤1.6μm), blue-white zinc/plated color zinc for carbon steelEnhances corrosion resistance and aesthetics. Stainless steel can be customized with passivation, nickel plating, or other special treatments.

    Application Scenarios and Value Proposition

    Fluid Engineering:

    • Plumbing systems: Connects faucets and angle valves (G thread + PTFE tape to prevent leakage).
    • Industrial pipelines: Transmits chemical fluids (316 stainless steel) and beverages (304 stainless steel, food-grade), with the hollow structure ensuring unobstructed media flow.

    Mechanical Assembly:

    • Structural connections: Used for machine tool bases and brackets (M thread, with hollow channels for hydraulic pipes/air hoses).
    • Vibration environments: Full-thread engagement provides strong vibration resistance, replacing welding for easy disassembly and maintenance.

    Electrical Wiring:

    • Cable threading sleeves: The hollow channel routes cables, while external threads secure the component to equipment enclosures (e.g., control cabinets, sensor bases), integrating connection and wiring functions.

    Differentiated Advantages

    • Dual-function of "connection + channel": Unlike traditional external threads (which only connect), this product’s hollow design enables simultaneous media/cable transmission, reducing system complexity.
    • Precision thread guarantee: Utilizes a thread-rolling process for full, uniform thread profiles and strict tolerances (100% inspection with go/no-go gauges), ensuring compatibility with both imported and domestic internal threaded components.
    • Multi-scenario adaptability: Supports dual systems (pipe threads for fluids, metric threads for structures) and materials (stainless steel/carbon steel), meeting needs from civil applications (plumbing) to industrial settings (chemical engineering).
    Quality Hollow Full Thread External Joint 304 316 SS / Zinc Plated CS NPT/G/Metric for sale
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