ASME B107.300-2021
Hand Torque Tools and Torque Testers

Standard No.

ASME B107.300-2021

Release Date

2021

Published By

American Society of Mechanical Engineers (ASME)

Latest

ASME B107.300-2021

Replace

ASME B107.300:2010

Scope

This Standard provides performance and safety requirements for manually perated torque instruments, commonly used for measurement of torque to control the tightness of threaded fasteners. It also provides performance and safety requirements for manually operated electronic torque instruments with integral or interchangeable heads. It includes requirements for endurance, torque value ranges, angle easurements, and accuracy for these torque instruments. It further provides performance and safety requirements for electronic torque testers used for checking manually operated, hand-held torque wrenches and torque crewdrivers. It is not intended to describe products infrequently utilized or those designed for special purposes. This Standard may be used as a guide by state authorities or other regulatory bodies in the formulation of laws for regulations. It is also intended for voluntary use by establishments that use or manufacture the instruments covered. 本标准提供了对于手动操作的扭矩仪表的性能和安全要求，通常用于控制扭矩测量螺纹紧固件的紧密性。它还提供手动操作的性能和安全要求集成或可互换的电子扭矩仪表头。它包括以下要求：耐久性、扭矩值范围、角度测量，以及这些扭矩仪表的精度。更进一步 提供了电子设备的性能和安全要求用于检查手动操作的扭矩测试仪，手持式扭矩扳手和扭矩螺丝刀。它是 不用于描述不常用的产品或为特殊目的而设计的。 本标准可作为国家主管部门的指南或其他监管机构制定法律或法规。还可由以下人员自愿使用：使用或制造仪器的机构。

ASME B107.300-2021 Referenced Document

• ASME B107.110 Socket Wrenches, Handles, and Attachments
• ASME B107.4 Driving and Spindle Ends for Portable Hand, Impact, Air, and Electric Tools (Percussion Tools Excluded)

ASME B107.300-2021 history

• 2021 ASME B107.300-2021 Hand Torque Tools and Torque Testers
• 2010 ASME B107.300-2010 Torque Instruments

ASME B107.300-2021 -All Parts