BS 1804-3:1973

This standard BS 1804-3:1973 Specification for parallel steel dowel pins is classified in these ICS categories:

• 21.060.50 Pins, nails

This British Standard specifies requirements for cylindrical parallel and taper steel dowel pins, having either external or internal threads for extraction purposes. The dowel pins are generally intended for use where accurate location of components relative to each other is required.

Only one grade of accuracy is provided as follows:

Grade 1. Precision ground parallel and taper dowel pins.

The following types of dowel pin are included.

• Type A. Parallel dowel pin with external thread
• Type B. Parallel dowel pin with internal thread
• Type C. Taper dowel pin with external thread
• Type D. Taper dowel pin with internal thread

NOTE The titles of the British Standards referred to in this Standard are listed on the inside back cover.

Cylindrical pins having external or internal threads.