BS 4372:1968

This standard BS 4372:1968 Specification for engineers' steel measuring rules is classified in these ICS categories:

• 17.040.30 Measuring instruments

This British Standard specifies requirements for steel rules of up to 1 metre nominal length, for use in engineering.

The standard comprises three sections as follows:

• Section 1: General;
• Section 2: Steel rules;
• Section 3: Folding steel rules.

NOTE Inch/metric rules are not included in this standard but it is recognized that they will continue in use for some time to come; the general requirements for these rules and for the metric graduation on them are in accordance with the provisions of this standard and the inch graduation should be of comparable accuracy.

Recommends lengths and sections of steel rules and steel folding rules. Has clauses relating to material and finish, accuracy and marking. Shows typical examples of rules which comply and proposes simplified scales for use in the future.