Ex-stock socket screws and bolts in high grade materials

7th August 2018
Posted By : Anna Flockett
Ex-stock socket screws and bolts in high grade materials

Available ex-stock from Challenge Europe specialist threaded fasteners come in high grades of material and include socket screws for production, incorporating milled sides (cap heads) so they may be easily spun up by hand and of course with a recessed hex drive which enable machine feed and torqueing on the assembly line.

Other specialist socket screws include button head/dome head designs which give improved appearance, lower profile and a smooth finish. They also offer more clearance with less vulnerability to interference, either to clothing or to other equipment passing over and are ideal for floor fixings as they present less of a trip hazard.

Socket head cap screws are generally more considered for engineering use at the elite end of the fastener range, by virtue of their more precise production tolerances - and historically being more commonly of 12.9 grade they are engineered for use at the top end of the precision spectrum.

In particular the socket head shoulder screw variant features a plain shank with a ground surface for location – ‘a dowel with a thread’, especially useful for tooling applications where a lower clearance is desirable, eg for locating with precise fit, but it can also be used to provide a bearing surface.


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