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Connection Fittings

W-7B socket

Model: W-7B (ya WS-7B / W-7A)

High-quality industrial product manufactured to international standards. Contact us for detailed specifications and pricing.
Voltage Range 10 kV – 220 kV (ya 10–110 kV)
Material Forged Steel / Malleable Cast Iron / Galvanized Steel
Surface Treatment Hot-dip galvanizing
Standards IEC 60120, IEC 60372, ISO 9001
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IEC Compliant ISO 9001 24hr Quote Response Global Shipping

The W-7B Socket Fitting (Bowl Head Fitting) is designed to connect the insulator string to the tower crossarm in overhead transmission lines. Its bowl-shaped head accommodates the ball pin of the insulator, allowing flexible angular movement while maintaining secure attachment. The fitting is made of high-strength malleable cast iron or forged steel, with all ferrous parts hot-dip galvanized for excellent corrosion resistance. Stainless steel cotter pins ensure reliable locking. The W-7B socket fitting offers easy installation and reliable load transfer under tension, making it an essential component for suspension and tension insulator assemblies. It ensures long-term mechanical stability and safety in outdoor power line applications.

Our minimum order quantity varies by product. Please submit a quote request and our sales team will provide details.
Yes, all products come with full test reports, material test certificates (MTC), and compliance documentation.
Standard lead time is 15–30 days depending on quantity. Rush orders may be available — contact our sales team.
Yes, we offer custom manufacturing. Please provide your technical drawings or specifications when requesting a quote.
All products are packed in sea-worthy wooden crates or cartons suitable for international shipping.

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