Standard and Custom Bolts, Nuts and Anchors for Infrastructure

A China fastener supplier: catalogue sizes for standard parts, your drawing for custom parts.
Sourced from partner factories, consolidated under one desk.

  • Standard families: DIN, ASTM, EN, GOST, GB. Property classes 4.8 to 12.9, stainless A2 and A4.
  • Finishes: hot-dip galvanized, zinc plated, black oxide and Dacromet.

For infrastructure, steel structure, power and petrochemical projects.

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Standard Fasteners and Custom Parts from One Supplier

Free charts & calculatorsBolt WeightTorqueAnchor BoltsHex NutsWashersAll charts →

Standard Fasteners

  • Hex bolts, nuts and washers to DIN, GB/T and ISO.
  • ASTM A325, A490 and F1554 structural and anchor bolts.
  • GOST equivalents for CIS projects.
  • Sizes, weights and torque published as free reference charts.
Browse standards & chartsFree size charts & torque tables

Custom Fasteners

  • Drawing-based production: send a drawing or a sample.
  • Material, grade, finish and tolerance confirmed before production.
  • Samples approved before the production run.
  • OEM logo and packaging to your artwork.
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Why Buyers Choose Us

  • Standard and custom parts under one PO.
  • Free engineering charts and calculators.
  • Drawing to delivery handled by one desk.
Ask about your spec

Send a standard number or a drawing — we confirm the equivalent dimensions before quoting.

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