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Countersunk Head Square Neck Bolts · GB/T 10-2013
Carriage, Square-Neck & Nib Bolts

Countersunk Head Square Neck Bolts

GB/T 10-2013 (reference only)

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GB/T 10-2013 dimension drawing

Dimensions in mm
GB/T 10-2013 dimension drawing

Specification parameters

Technical conditions and referenced standards
Steel
General technical requirements
  • GB/T 16938
Thread
Tolerances
8g
Standard
  • GB/T 196, GB/T 197
Mechanical properties
Class
  • Property classes 4.6 and 4.8
Standard
  • GB/T 3098.1
Tolerances
Product grade
Product grade C applies except as specified in Clause 3.
Standard
  • GB/T 3103.1
Surface treatment
  • No treatment;
  • Oxide coating;
  • Any other surface treatment shall be agreed between the purchaser and supplier.
Acceptance inspection and packaging
  • GB/T 90.1, GB/T 90.2

Product overview

A flat countersunk head with a square neck. Confirm the countersink and square recess in the mating part. If hot forging is required, state it with the material and size in your enquiry so the production method can be confirmed.

For a quote, share the required dimensions, finish and quantity.