This Standard specifies the requirements, test method and marking for the hand
torque tools used for controlled tightening of bolted connections (hereafter referred to
as "torque tools").
This Standard is applicable to torque tools of clause 4, in particular to indicating
and setting torque wrenches in accordance with No. 258 and No. 259 of ISO 1703:
1983 Assembly tools for screws and nuts Nomenclature.
NOTE I This Standard specifies the requirements and test methods of torque tools
shown for the target values for quality control, and it is not intended to
perform the conformity assessment with this Standard.
NOTE 2 The International Standard corresponding to this Standard is as follows.
ISO 6789: 2003 Assembly tools for screws and nuts Hand torque tools--
Requirements and test methods for design conformance testing, quality con-
/brmance testing and recalibration procedure (MOD)
In addition, symbols which denote the degree of correspondence in the
contents between the relevant International Standard and JIS are IDT
(identical), MOD (modified), and NEQ (not equivalent) according to ISO/
IEC Guide 21.
JIS B 4652:2008 Referenced Document
JIS Z 8103 Glossary of terms used in measurement*， 2019-05-20 Update
JIS B 4652:2008 history
2008JIS B 4652:2008 Hand torque tools -- Requirements and test methods