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.

Author: Goltigore Gulabar
Country: Bosnia & Herzegovina
Language: English (Spanish)
Genre: Marketing
Published (Last): 1 July 2008
Pages: 437
PDF File Size: 16.77 Mb
ePub File Size: 12.13 Mb
ISBN: 611-8-56181-277-2
Downloads: 49011
Price: Free* [*Free Regsitration Required]
Uploader: Mijar

Recommendations giving guidance in the use of this form of fastener are given in BS. Only to beused for the lighter type of construction where practrcal condltlons such usage of a larger size bolt than M Hardness values arc 43995-1 f c r guidana only. High-strength structural bolting assemblies for preloading-Part 4: Free cutting steel shall not be used. BSTesting of metals.

BS 4395-1:1969

The bolt should meet the minimum tensile strength given in Table 4 before fracture occurs. Number of pieces comprising a batch of bolts Tolerance on nominal length Thread lengths Mechanical properties of bolts Dimensions of hexagon head bolts Number of pieces comprising a batch of nuts Proof loads for nuts coarse pitch series Dimensions of hexagon nuts Number of pieces cornprising a batch of washers Dimensions of flat round washers Dimensions of square taper washers Dimensions for wedge loading test 9 10 11 13 14 15 17 18 19 21 22 28 FIGURES 1.

Flat round washers for use with high strength friction grip bolts shall be identified by the Provision of three nibs and an indented letter ‘ M ‘ as shown in Fig. This projection shall be rounded to avoid sharp e dp.

  ALIGN TREX 450 PRO V2 3GX MANUAL PDF

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

System HR-Hexagon bolt with large width across flats and nut assemblies. Proof load test for nut The maximum and minimum diameters of the unthreaded portion of the shank of the bolt shall be in accordance with dimensions given in Table 5, Columns 2 and 3. The impression of the the head or to the centre 0.

The impression should be applied either on the top OE the head or to the centre Position of the end of the bolt, after approximately 0.

bs – Free Download PDF

System HR – countersunk head bolt and nut assemblies incorporating corrigendum October Withdrawn. BS 21, Pipe threads. In carrying out its work the Institution endeavours to ensure adequate representation of all viewpoints. Size px x x x x The dimensions ba plain washers shall be in ns with Table 10 Fig. Wedge loading of fuu size bolt 27 BS Testing of mechanical properties of steel nuts 28 D. Although the basic hexagon sizes for the bolts and nuts are in accordance with ISO Recommendation Rthe next larger width across flats for any given diameter, as shown in the 435-1 metric series, have been selected in order to provide greater bearing areas for both bolts and nuts.

I t is irnportanl that Users of British Standards should ascertain that they are in possession of the lotest amendments oreditions.

  BRINQUEDO E CULTURA GILLES BROUGERE PDF

It was originally intended to specify ISO strengthGrade 8. Such wrenching is permissible providing it is restricted to a half turn and the nut is then removable by the fingers following initial loosening.

System HV-Hexagon bolt with large width across flats and nut assemblies. Document Status Indicators The Green document status indicator indicates sb the document is: NOTE Attention is drawn to the importance of ensuring that these bolts are correctly used if satisfactory results are to be obtained. Search all products by. It is incorporated by Royal Charter. NOTE 2 Although the mechanical requirements specified in this standard are in metric technical units i.

Table 1 — Number of pieces comprising a batch of bolts Diameter of bolt d Number of pieces ba batch 1. High strength friction grip hexagon bolts.

On 24th May, the Right Hon. 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 Vickers hardness test shall be performed in accordancc with the requirenlents of BS The tests indicated by the symbol ‘ 0 ‘ may be carried out at the Special request of the purchaser.

Posted in: Sex