GB/T 847-1985
AbolishedCross recessed raised countersunk head tapping screws
十字槽半沉头自攻螺钉
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking for cross recessed raised countersunk head tapping screws. It is applied in the manufacturing and assembly of mechanical and electronic products where screws are used to form their own mating threads in materials like sheet metal or plastic, ensuring secure fastening without pre-tapped holes. The standard is primarily used by engineers and quality inspectors in industries such as automotive, appliance, and electronics assembly for consistent fastener performance.
Related Standards
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 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
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
GB/T 3098.19-2004
Mechanical properties of fasteners--Blind rivets with break pull mandrel
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.