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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O Only to be used for the lighter type of construction where practical conditions such as material thickness do not warrant the usage of a larger size bolt than M For washers the nominaldiarneter and type of bss e. The tolerance on the nominal length shall be as given in Table 2.
BS HSFG bolts_百度文库
Hexagon head bolts with hexagon nut for steel structures Suppliers 1. System HR – countersunk head bolt and nut assemblies incorporating corrigendum October Withdrawn. System HV – hexagon bolt and nut bx. Tapered washers shall be tested on the sheared edge to bx a flat surface as specified in BS The proof load is applied axially to the bolt in a normal tensile testing sb See Fig.
A gauge recommended for carrying out this test together with the manner in which the test is to be undertaken is shown in Appendix E. The Rockwell hardness test shall be performed in accordance with the requirements of BS Markings may be either embossed or indented at the option of the manufacturer, who may also use additional marking for his own purposes.
ES’ Method for Vickers hardness test ‘, Part 1. The test plate shall have a hardness of sb less than Rockwell C Each test selected from Appendix D shall be carried out three times per batch of bolts.
The purchaser is requested to consult with the manufacturer concerning lists of stock production sizes. Wedge loading of full size bolt Metric heavy hex structural bolts. This projection shall be rounded to avoid sharp edges.
If permission is granted, the terms may include royalty payments or a licensing agreement. This standard makes reference to the following British Standards: This minor deviation was justified by the committee on the grounds that these products were not general purpose bolts and assuch, it was feltdesirable to specify a maximum transition ba consistent with their specialized function.
We need your help to maintenance this website. Outside diameter C Max. Figure 2 — Hexagon bolts Dimensions in millimetres 6 7 8 9 10 11 Depth of washer face c Min. Specification for high strength friction grip bolts and associated nuts and washers for structural engineering. System HV-Hexagon bolt with large width across flats and nut assemblies. High strength hexagon bolts for friction grip joints Suppliers 1. BS 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.
BS Metric high strength large hexagon head bolts
Recommendations giving guidance in the use of this form of fastener are given in BS Dimensions are given for a range of nominal sizes from 12 mm M 12 to 36 m M 36 inclusive and mechanical properties are specified. Apply the impression to the top or bottom face of the nut, otherwise on the ns of the nut.
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