GB/T 1442-1985
Replaced
GB/T 4389-2013
Active
National standards
GB/T 4389-2013 Double-headed open-ended wrenches,double-headed box wrenches and combination wrenches—Maximum widths of heads
GB/T 4389-2013 Double-headed open-ended wrenches,double-headed box wrenches and combination wrenches—Maximum widths of heads
Basic Information
Standard Code:
GB/T 4389-2013
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Hand tools
ICS Name:
Hand tools
Publish Date:
2013-11-12
Implement Date:
2014-05-01
Pages:
7 pages
Scope
This standard specifies the maximum dimensions of the heads of double-headed socket wrenches, double-headed Allen wrenches, and dual-purpose wrenches.
This standard applies to socket wrenches, Allen wrenches, and dual-purpose wrenches used for tightening bolts and nuts or other fasteners. The naming and terminology of the aforementioned wrenches comply with the provisions of GB/T 4625.
Development Information
Replace the following standards
Referenced Standards
GB/T 4390-1995 Spanner gaps and sockets—Metric series-tolerances for general use
GB/T 4390-2008 Wrench openings—Tolerances for general use
GB/T 4393-1995 Open-end wrenches, box wrenches and combination wrenches—Technical specifications
GB/T 4393-2008 Open end wrenches,box wrenches and combination wrenches—Technical specifications
GB/T 4625-1998 Assembly tools for screws and nuts-Nomenclature
GB/T 4625-2022 Assembly tools for screws and nuts—Nomenclature
GB/T 3104-1982 Fasteners--Widths across flats of hexagon products
Adopt standards
ISO 3318:2009
Related Standards
GB/T 1443-1996
Replaced
GB/T 1443-1996 Machine tools—Self-holding tapers for tool shanks
GB/T 4440-1998
Replaced
GB/T 4440-1998 Adjustable wrenches
GB/T 6289-1999
Replaced
GB/T 6289-1999 Pliers and nippers—Nomenclature
GB/T 6290-1999
Replaced
GB/T 6290-1999 Pliers and nippers—General technical requirements
GB/T 6291-1999
Replaced