BS 4311-2:2009
Gauge blocks manufactured to imperial specification - Part 2:Accessories

Standard No.

BS 4311-2:2009

Release Date

2009

Published By

British Standards Institution (BSI)

Latest

BS 4311-2:2009

Replace

09/30193117 DC-2009 BS 4311-2:1994

Scope

This British Standard specifies requirements for accessories intended for use with metric and inch gauge blocks conforming to BS EN ISO 3650 and BS 4311-1:2007+C1:2009, and includes two types of measuring jaw (Type A and Type B), scriber points and centre points, bases and holders. Requirements for general dimensions and the form, material, surface finish and accuracy of various features are specified. Examples of typical assemblies of accessories are shown in Figure 1 and notes on their use are given in Annex A. Annex B gives details of other items which may be used with gauge blocks and accessories.

BS 4311-2:2009 Referenced Document

• BS EN ISO 3650 Geometrical Product Specifications (GPS) — Length standards — Gauge blocks
• BS EN ISO 6507-1 Metallic materials. Vickers hardness test - Test method*， 2023-10-31 Update

BS 4311-2:2009 history

• 2009 BS 4311-2:2009 Gauge blocks manufactured to imperial specification - Part 2:Accessories
• 1994 BS 4311-2:1994 Specification for gauge blocks and accessories - Accessories