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BSI
BS 7752-2:1994

BS 7752-2:1994

Current

Current

The latest, up-to-date edition.

Free running type wire thread inserts Specification for ISO metric fine pitch threads

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-10-1994

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1. Scope
2. References
3. Dimensions
4. Material
5. Finish
6. Insert selection
7. Installation
8. Marking
Annex
A. (informative) Insert selection
Tables
1. Dimensions of insert wire profile in finished
     coiled state
2. Dimensions of insert in free (unfitted) state
3. Insert fitted length
A.1 Recommended nominal lengths of insert to be inserted
     into a material of a given shear strength that can
     be used with a bolt of a certain property class
Figures
1. Insert wire profile in finished coiled state
2. Dimensions of insert in free (unfitted) state
3. Insert in fitted state
ist of references

Specifies requirements for free running wire thread inserts. Coverage includes dimensions, material, finish, insert selection, installation, marking. Also gives detailed tables and diagrams.

This Part of BS 7752 specifies requirements for free running wire thread inserts which, when fitted into an appropriately prepared hole, will:

  1. provide ISO metric fine pitch female threads of tolerance class 5H or 6H with sizes from M8 × 1 to M24 × 2 inclusive;
  2. accept ISO metric male threads conforming to BS 3643-1:1981 and BS 3643-2:1981;
  3. operate successfully in the temperature range − 50 °C to + 300 °C.

NOTE ISO metric MJ male threads conforming to BS 6293-1 and BS 6293-2 may be used with these inserts.

Committee
FME/9
DevelopmentNote
Supersedes 92/84541 DC. (04/2005) Reviewed and confirmed by BSI, January 2012. (12/2011)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

DEFSTAN 08-107/3(2013) : 2013 GENERAL REQUIREMENTS FOR THE DESIGN OF ELECTROTECHNICAL AND NAVAL WEAPON EQUIPMENT
DEFSTAN 02-862(PT1)/2(2007) : 2007 FASTENERS - PART 1: GENERAL
DEFSTAN 02-862(PT1)/3(2011) : 2011 NAVAL FASTENERS - PART 1: MATERIAL SELECTION AND USE
BS 7752-1(1994) : 1994 FREE RUNNING TYPE WIRE THREAD INSERTS - PART 1: SPECIFICATION FOR ISO METRIC COARSE PITCH THREADS

BS 3643-1:1981 ISO metric screw threads Principles and basic data
BS 6293-2:1994 Aerospace. MJ threads Limit dimensions for bolts and nuts
BS 7752-1(1994) : 1994 FREE RUNNING TYPE WIRE THREAD INSERTS - PART 1: SPECIFICATION FOR ISO METRIC COARSE PITCH THREADS

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Hardcopy - English
PDF - English
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