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Hexagon Weld Nuts · GB/T 13681-1992
Weld Nuts

Hexagon Weld Nuts

GB/T 13681-1992 (reference only)

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GB/T 13681-1992 dimension drawing

Dimensions in mm
GB/T 13681-1992 dimension drawing

Specification parameters

Technical conditions and referenced standards
Material
  • Weldable steel with a carbon content not exceeding 0.25%
  • Weldable steel with a carbon content not exceeding 0.25%
  • Weldable steel with a carbon content not exceeding 0.25%
  • Weldable steel with a carbon content not exceeding 0.25%
Thread
Tolerances
  • 6G
  • 6G
  • 6G
  • 6G
Standard
  • GB/T 196, GB/T 197
  • GB/T 196, GB/T 197
  • GB/T 196, GB/T 197
  • GB/T 196, GB/T 197
Mechanical properties
Proof load
  • In accordance with Table 3
  • In accordance with Table 3
  • In accordance with Table 3
  • In accordance with Table 3
Test method
  • In accordance with In accordance with Clause 8.1 of GB/T 3098.2
  • In accordance with In accordance with Clause 8.1 of GB/T 3098.2
  • In accordance with In accordance with Clause 8.1 of GB/T 3098.2
  • In accordance with In accordance with Clause 8.1 of GB/T 3098.2
Tolerances
Product grade
  • Product grade A applies except as specified in Clause 3.
  • Product grade A applies except as specified in Clause 3.
  • Product grade A applies except as specified in Clause 3.
  • Product grade A applies except as specified in Clause 3.
Standard
  • GB/T 3103.1
  • GB/T 3103.1
  • GB/T 3103.1
  • GB/T 3103.1
Surface roughness
  • Thread flanks: Ra 6.3; no requirement is specified for thread crests or roots.
  • Thread flanks: Ra 6.3; no requirement is specified for thread crests or roots.
  • Thread flanks: Ra 6.3; no requirement is specified for thread crests or roots.
  • Thread flanks: Ra 6.3; no requirement is specified for thread crests or roots.
Surface treatment
  • ① No treatment ;
  • ② Zinc plating and passivation GB/T 5267
  • ① No treatment ;
  • ② Zinc plating and passivation GB/T 5267
  • ① No treatment ;
  • ② Zinc plating and passivation GB/T 5267
  • ① No treatment ;
  • ② Zinc plating and passivation GB/T 5267
Surface discontinuities
  • GB/T 5779.2
  • GB/T 5779.2
  • GB/T 5779.2
  • GB/T 5779.2
Acceptance inspection and packaging
  • Primary dimensional characteristics
  • Acceptance quality limit (AQL)
  • Secondary dimensional characteristics
  • Acceptance quality limit (AQL)
  • GO thread gauge
  • 1.5
  • Each other dimensional characteristic
  • 2.5
  • NOT GO thread gauge
  • 2.5
  • Each other dimensional characteristic
  • 2.5
  • dy
  • 1.5
  • Each other dimensional characteristic
  • 2.5
  • h1
  • 1.5
  • Each other dimensional characteristic
  • 2.5
  • For all other requirements, see GB/T 90
  • For all other requirements, see GB/T 90
  • For all other requirements, see GB/T 90
  • For all other requirements, see GB/T 90

Product overview

A hexagon weld nut for the projection welding geometry shown in the drawing. Confirm the mating panel and welding requirements.

For a quote, share the required dimensions, material, finish and quantity. Availability and lead time are confirmed for each enquiry.