GB/T 834-1988

Active

Knurled thumb screws

滚花高头螺钉

Standard Type

GBT

ICS

21.060.10

CCS

J13

Status

Active

Issue Date

1988-06-24

Implementation

1989-07-01

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 834-1988 specifies the dimensions, technical requirements, and marking for knurled thumb screws, which are fasteners designed for manual tightening without tools. It is applied in mechanical assemblies, instrument panels, and equipment requiring frequent adjustment or disassembly, such as in light machinery, electronic enclosures, and laboratory apparatus. The standard ensures interchangeability and consistent performance for these hand-operated screws in industrial and commercial products.

Related Standards

GB/T 62.2-2004 Wing nuts--Square wing GB/T 62.3-2004 Wing nuts--Pressing wing GB/T 62.1-2004 Wing nuts--Round wing GB/T 9074.5-2004 Cross recessed small pan head screw andwasher assemblies with plain washers 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.