JIS B4652-2008《手动转矩工具的要求和试验方法》

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)