HUAYONG BATH INSIGHTS

Thread Standards in Export Plumbing Fittings: A Buyer Pre-Order Checklist

Brass male threaded 90-degree elbow plumbing fitting

Threaded fittings are easy to misquote when a buyer only supplies a photo or general name. The correct thread form, taper or parallel geometry, sealing method and mating component should be agreed before a factory releases production.

State the mating connection

For a brass male threaded elbow or angle stop valve, confirm the thread at both ends and the component it connects to. A reducing coupling needs both nominal sizes stated separately.

Describe the seal

Thread sealant, washer faces and mechanical compression connections have different requirements. A compression straight connector also requires tube outside diameter and assembly details.

Before placing the order

  • Share a drawing, approved sample or exact mating part.
  • Record thread form, nominal size and tolerance.
  • Confirm the sealing method and torque-sensitive features.
  • Approve marking and carton labels against the final SKU list.

Continue with our fitting quality checklist or browse the fitting collection.

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