BS 4395-1 PDF

BS Metric high strength large hexagon head bolts 英标BS BS BS Metric high. Weight Calculator Tolerance. BS Specification For High Strength Friction Grip Bolts And Associated Nuts And Washers For Structural Engineering – General Grade. BS High strength friction grip bolts and associated nuts and washers for structural engineering. Metric series. General grade (AMD ) ( AMD.

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Machine the test piece as illustrated in Figure 7 from an actual bolt or bolt blank.

BS 4395-1-1969 Metric high strength large hexagon head bolts

We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover.

4395–1 nut shall be screwed by hand onto the mandrel of the gauge until the thread of the nut is tight on the thread of the mandrel. Thickness of nut m Min.

With the sleeve in this position it shall not be possible for a feeler gauge of thickness equal to 439-1 squareness tolerance to enter anywhere between the leading face of the nut and the face of the sleeve. Chamfering, facing and marking of bolts.

bs-4395-1-1969

The impression of the ball or cone shall be applied either on bx top of the head or to the centre position of the end of the bolt, after approximately 0. This term includes both top and bottom blown oxygen processcs.

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General grade metric series. Please copy and paste this embed script to where you want to embed Embed Script. This agreement will enable the industries of the world to align the usage of screw threads and to minimize the present diversities of practice. Brinell, Rockwell or Vickers hardness may be determined.

It presents the UK view on standards in Europe and at the international level. Position the bolt so that no corner of the hexagon takes bearing load see Figure 9.

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The form of thread, and diameters hs associated pitches of general grade metric high strength friction grip bolts shall be in accordance with BS ISO Recomrnendation R Recommended gauge for checking 43955-1 of thread to face of nut 31 F. BSLimits and fits for engineering.

The heads shall be charnfered at an angle of approxirnately 30″ on their upper faces. Bx access to British Standards? Markings may be either embossed or indented at the Option of the manufacturer, who may also use additional marking forhis own purposes. The length of free thread above the nut or adaptor between nut or adaptor and head of bolt shall be between half and one diameter.

Take the smart route to manage medical device compliance. You may experience issues viewing this site in Internet Explorer 9, 10 or Machine the test Piece as illustrated in Fig.

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BS Metric high strength large hexagon head bolts

Each test selected from Appendix D shall be carried out three times per batch of bolts. Table 1 — Number of pieces comprising a batch of bolts Diameter of bolt d Number of pieces in batch 1. System HV – hexagon fit bolt and nut assemblies Incorporating corrigendum October Three nuts shall be selected for the proof load or hardness test, as appropriate, from each batch of nuts at the time of manufacture. Square taper washers 7.

Perform the tests in accordance with the requirements of BS to determine the following: The standard thread lengths are based on the formulae set out in Table 3. A complete list of British Standards, numbering overfully indexed and with a note of the contents of each, will be found in the British Standards Yearbook.

The maximum content of sulphur and phosphorus shall not exceed 0. Before embarking on any project it must be satisfied that there is a strong body of opinion infavour of proceeding and thatthere is a recognized need to bc rnet.

Thread data and Standard thread series. We are a non-profit group that run this website to share documents.