Document Details |
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| Name of Department/Committee : | PGD 37 | ||||
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| Document Number : | PGD 37 ( 22057) | ||||
| Document Title [English] : | Fasteners Hexagon head bolts with fine pitch thread Product grades A and B Third Revision | ||||
| Document Title [Hindi] : | बंधको — मीटरी सूक्ष्म अंतराल वाली चूड़ी सहित षट्कोणीय शीर्ष वाले कबले — उत्पाद ग्रेड ए और बी ( तीसरा पुनरीक्षण ) | ||||
| Document Type : | Revision | ||||
| Language : | English | ||||
| Priority : | 3 | ||||
| ICS Code : | 21.060.10 | ||||
| Date of Project Approval : | 27-02-2023 | ||||
| Standards to be Revised : |
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| Standards to be Superseded : | |||||
Classification Details |
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| Group : | Building Materials including Paints |
| Sub Group : | Fasteners and hardware |
| Sub Sub Group : | Fastners |
| Aspects : | Product Specification |
| Risk : | Low |
| Certification : | Voluntary Certification |
| Short Commom Man's Title : | |
| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Identical under single numbering |
| Identical/Equivalent Standards : | ISO 8765 : 2022 |
| Organization Type: | ISO |
| Sl.No. | Synosis Points | |
| 1 | This document specifies the characteristics of hexagon head bolts, in steel and stainless steel, with metric fine pitch threads M8×1 to M64×4, and with product grades A and B. | |
| 2 | The major changes in this revision are as follows: a) Tables for dimensions have been entirely restructured, so that the user can find the specified values in a reliable manner (no risk of picking the wrong dimension) (see 4 and Annex A); b) M18×2 has been added; c) dw,min for M14×1.5 has been corrected to 19.64 mm; d) The rules for the shortest and greatest standard lengths have been added, and they have been amended accordingly; e) For steel bolts, property class 5.6 has been deleted and property class 12.9/12.9 has been added; f) For stainless steel bolts, grades D4 and D6 and property class 80 have been added; g) Non-ferrous metal bolts have been deleted; and h) Specifications for marking and labelling have been added as 6. | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 27-02-2023 | ------- | ||
| 2 | P-Draft Waived | 16-06-2023 | ------- | ||
| 3 | WC Draft | 16-06-2023 | Duration : 60 Days Submitted for HOD approval |
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| 4 | WC Draft | 23-06-2023 | WC approved by HOD |
PGDC | ------- |