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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BS Metric high strength large hexagon head bolts

With the sleeve in this position it shall not be possible for a feeler gauge of thickness equal to the squareness tolerance to enter anywhere between the leading face of the nut and the face of the sleeve. Application of proof load to full size bolt ES’ Method for Brinell hardness test ‘, Part 1, ‘ Testing of metals ‘.

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Bolts that are too short for rninirnurn thread length shall be threaded as near to the head as possible, providing the radius specified in Table 5 is maintained.

BS 4395-1:1969

In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.

This minor deviation was justified by the committee on the grounds that these products were not general purpose bolts and as such, it was felt desirable to specify a maximum transition diameter consistent with their specialized function. Outside diameter C Max.

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The faster, easier way to work with standards. We need your help! The form of thread and diameters and associated pitches for general grade metric high strength nuts shall be in accordance with BS Thread data and Standard thread series.

Your basket is empty. The tolerances on bolt thread lengths shall be plus two pitches for all diameters.

Contact the Information Centre. It was felt by the committee be economic considerations were important in this respect and might prove paramount for uscrs intending to Change over to metric products. Proof load test for nut For bolts the nominal diameter and length of bolt in millimetres shall also be given, e. The bearing face shall be machined or have a surface equal to that produced by machining.

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

Heavy hex structural bolts. It was originally intended to specify ISO strength Grade 8. Each test selected from Appendix D shall be carried out three times per batch of bolts. The principal objects of the Institution as Set out in the Charter are to Co-Ordinate the efforts of Producers and Users forthe improvement, standardization and simplification of engineering and industrial materials; 4395–1 simplify vs and distribution; to eliminate the waste of time and material involved in the production of an unnecessary variety of Patterns and sizes of articles forone and the Same purpose; to set up Standards of quality and dimensions, and to promote the general adoption of British Standards.

BSMethod for Rockwell hardness test. High strength large hexagon bolts for steel structure. The demands on the Services sb the Institution are steadily increasing and can only be met if continuing and increased financial Support is provided.

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The bolt should meet the minimum tensile strength given in Table 4 before fracture occurs. Part 1BS The shank diameter shall be capable of acceptance by a ring gauge having an internal diameter equal to the maximum shank diameter as specified in Column 2, Table 5 and subject to a tolerance of plus 0.

Metric Heavy Hex Structural Bolts. Three nuts shall be selected for the proof load or hardness test, as appropriate, from each batch of nuts at the time of manufacture. Users of British Standards are responsible for their correct application.

The Amber document status indicator indicates that some caution is needed when using this document – it is either: General grade Revised text Fig. Such wrenching is perrnissible providing it is restricted to a half turn and the nut is then removable by the fingers following initial loosening. The manner in which tests are to be carried out is specified in Appendix B. It was felt by the committee that economic considerations were important in this respect and might prove paramount for users intending to change over to metric 3495-1.

For bolts the nominaldiameter shall also be given, e. Details and advice can be obtained from the Copyright Manager. A batch shall consist of the number of pieces shown in Table 1.