BS 919-3:1968
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for screw gauge limits and tolerances Gauges for ISO metric screw threads
Hardcopy , PDF
30-09-2009
English
31-12-1968
Cooperating organizations
Foreword
Specification
1. Scope
2. Nomenclature
3. Function and method of use of the various types
of gauges
4. Inspection procedures and the settlement of
disputes
5. Reference temperatures
6. General design features and tolerances of gauges
7. Marking
Tables
1. Dimensions of root clearances of GO screw gauges
2. Dimensions of root clearances of NOT GO screw
gauges
3. Flank angle tolerances
4. Pitch tolerances
5. External product thread. Deviations for simple
pitch (effective) diameters of GO screw limit
gauges and their associated check plugs and
setting plugs
6. External product thread. Deviations for simple
pitch (effective) diameters of NOT GO screw limit
gauges and their associated check plugs and setting
plugs
7. Internal product thread. Deviations and allowable
wear for simple pitch (effective) diameters of GO
and NOT GO screw plug limit gauges
8. Deviations for major diameters of screw check plugs
and setting plugs for GO screw ring and calliper
gauges
10. Deviations for major diameters of screw check
plugs and setting plugs for NOT GO screw ring and
calliper gauges
11. External product thread. Deviations and allowable
wear for GO and NOT GO plain calliper and ring
gauges
12. Internal product thread. Deviations and allowable
wear for GO and NOT GO plain plug gauges
13. External product thread. Information for
calculation of limits for new solid GO screw ring
gauges and their associated check plugs
14. External product thread. Information for
calculation of limits for adjustable GO screw ring
and caliper gauges and their associated setting
plugs
15. External product thread. Information for
calculation of limits for new solid NOT GO screw
ring gauges and their associated check plugs
16. External product thread. Information for
calculation of limits for adjustable NOT GO screw
ring and calliper gauges and their associated
setting plugs
17. Internal product thread. Information for
calculation of limits for GO and NOT GO screw
plug gauges
Figures
1. 'Blunt start' at end of thread on gauge
2. Screw plug and ring or calliper threads having
complete flanks
3. Screw plug and ring or calliper threads of
truncated form
4. Alternative form of GO calliper gauge anvil for
product threads having pitches finer than 0.5 mm
5. Alternative form of NOT GO calliper gauge anvil
for product threads having pitches finer than
1.0 mm
6 & 7. Simple pitch (effective) diameter tolerance
zones of gauges for external product threads
8 & 9. Simple pitch (effective) diameter tolerance
zones of gauges for internal product threads
Go and not go screw plugs, ring and caliper; check plugs for adjustable screw rings and calipers; check plugs and wear check plugs for solid screw ring gauges; go and not go plain plug, caliper and ring gauges. Uses of various types of gauges, tolerances, general design features. Inspection procedures and settlement of disputes.
Committee |
TPR/1
|
DevelopmentNote |
Supersedes 66/10890 DC and BS 919-2(1952) (10/2005)
|
DocumentType |
Standard
|
Pages |
36
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
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