

The original configuration of socket head cap screws didn't maintain consistent relationships among the nominal shank diameter, head diameter, and socket size throughout the available size range.

BS EN ISO 4762 DIN 912 SPEC SERIES
Series socket head cap screws, advantages of socket head cap screws, product and dimensions standards, advantages of Unbrako socket head cap screws, information on metric socket head cap screws made by Unbrako as per ANSI standard and countersunk head screws with hexagon socket.

Metric socket head cap screws DIN 912 BS 41 Materials and Finishes Steel 12.9/Self colour Stainless steel/Self colour All data is correct to the best of. In this article information is given on 1. The most important reasons for the increasing use of socket head cap screws in industry are safety, reliability and economy. They are used for critical vehicle applications, machine tools, tools and dies, earth moving and mining machinery, and a wide range of engineering applications. They have cylindrical head and internal wrenching features (mostly hexagon socket) that allow them to be used in locations where externally wrenched fasteners aren't desirable. Socket head cap screws are used for applications with limited space.
BS EN ISO 4762 DIN 912 SPEC ARCHIVE
Practical Maintenance » Blog Archive » Socket Head Cap Screws.
