GB/T 820-2015
ActiveRaised countersunk head screws with cross recess
十字槽半沉头螺钉
Application Summary AI generated
GB/T 820-2015 specifies the dimensions, technical requirements, and marking for cross-recessed raised countersunk head screws. It is applied in mechanical assembly and manufacturing industries where a flush or semi-flush screw head is needed, such as in electronics, automotive, and general hardware fastening systems. The standard ensures interchangeability and quality control for screws used in both domestic and international production environments.
Related Standards
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 3098.19-2004
Mechanical properties of fasteners--Blind rivets with break pull mandrel
GB/T 62.4-2004
Wing nuts--Die-casting wing
GB/T 3098.20-2004
Mechanical properties of fasteners--Wing nuts with specified proof torque
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.