BS ISO 3315:2018

This standard BS ISO 3315:2018 Assembly tools for screws and nuts. Driving parts for hand-operated square drive socket wrenches. Dimensions and tests is classified in these ICS categories:

• 25.140.30 Hand-operated tools

This document is applicable to driving parts of hand-operated square drive socket wrenches.

NOTE The driving parts covered by this document are the ones identified in ISO 1703:2018 under reference No. 6 1 00 01 0 and 6 1 00 01 1, 6 1 00 03 0, 6 1 00 04 0, 6 1 00 05 0 and 6 1 00 05 1, 6 1 00 06 0 and 6 1 00 06 1, 6 1 00 09 0 as well as 6 1 00 10 0 and 6 1 00 10 1.

It specifies:

1. the overall dimensions;

2. the minimum Rockwell hardness value for their driving squares;

3. the method of torque testing;

4. the minimum torsional strength values;

5. the designation;

6. the marking.