GB/T 56-1988

Active

Hexagon thick nuts

六角厚螺母

Standard Type

GBT

ICS

21.060.20

CCS

J13

Status

Active

Issue Date

1988-06-24

Implementation

1989-01-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中国机械工业联合会

Application Summary AI generated

GB/T 56-1988 specifies the dimensions, technical requirements, and marking of hexagon thick nuts used in mechanical fastening systems. It is applied in industries such as machinery manufacturing, automotive assembly, and construction equipment where higher load-bearing capacity and resistance to loosening are required compared to standard nuts. The standard ensures interchangeability and compatibility with corresponding bolts and screws in threaded connections.

Related Standards

GB/T 62.1-2004 Wing nuts--Round wing GB/T 62.3-2004 Wing nuts--Pressing 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 9074.5-2004 Cross recessed small pan head screw andwasher assemblies with plain washers GB/T 3098.20-2004 Mechanical properties of fasteners--Wing nuts with specified proof torque GB/T 62.4-2004 Wing nuts--Die-casting wing 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.