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Heli-Coil gages – inch

24 Emhart Teknologies, Shelton, CT Tel. (203) 924-4737 Fax (800) 732-3116 Canada (514) 351-0330 Mexico + E R T I F I E DAS 9100 TS16949 ISO 9001 ISO 14001 Heli-Coil gages inchAccuracy of the finished threadwhen the insert is installed is de-pendent upon the accuracy of thetapped hole. If the finished tappedhole gages satisfactorily, the in-stalled insert will be within thethread tolerance. It is not neces-sary to gage the installed in-sert. After the insert is installed,the GO thread plug gage may notenter freely; however, the insertwill always seat itself when thebolt or screw is installed and tight-ened. (Reference NASM33537). gage handles and all gage nibsare marked with the extremeproduct limits for the particularsize and class of fit. (See Pages 18& 19, Tables VII & VIII, PitchDiameter Limits).When gaging tapped holes whichhave been thoroughly cleaned orwhich have a protective finishapplied, the gage should alwaysbe lubricated with light nib may enter provided adefinite drag results on or before3rd turn from entry Ref.

24 Emhart Teknologies, Shelton, CT • Tel. (203) 924-4737 • Fax (800) 732-3116 Canada (514) 351-0330 • Mexico +52-55-5326-7100 C E R T I F I E D www.emhart.com AS 9100˜•˜TS16949 ISO 9001˜•˜ISO 14001 Heli-Coil gages – inch

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Transcription of Heli-Coil gages – inch

1 24 Emhart Teknologies, Shelton, CT Tel. (203) 924-4737 Fax (800) 732-3116 Canada (514) 351-0330 Mexico + E R T I F I E DAS 9100 TS16949 ISO 9001 ISO 14001 Heli-Coil gages inchAccuracy of the finished threadwhen the insert is installed is de-pendent upon the accuracy of thetapped hole. If the finished tappedhole gages satisfactorily, the in-stalled insert will be within thethread tolerance. It is not neces-sary to gage the installed in-sert. After the insert is installed,the GO thread plug gage may notenter freely; however, the insertwill always seat itself when thebolt or screw is installed and tight-ened. (Reference NASM33537). gage handles and all gage nibsare marked with the extremeproduct limits for the particularsize and class of fit. (See Pages 18& 19, Tables VII & VIII, PitchDiameter Limits).When gaging tapped holes whichhave been thoroughly cleaned orwhich have a protective finishapplied, the gage should alwaysbe lubricated with light nib may enter provided adefinite drag results on or before3rd turn from entry Ref.

2 FED-STD-H28, Screw thread Standardsfor Federal STI Thread Plug Gagesfor checking the tapped hole arelisted in the table at gages provide a guaran-teed minimum wear allowanceon the pitch diameter of the GOmembers of two ten thousandthsof an inch (.0002). These gagesare recommended for productionin sizes 1/2 inch and gages have pitch diam-eters on or close to minimum(basic size). They are essentiallylaboratory or master gages andshould be used in case of conflictbetween two working gages . Con-flict can occur when one of thegages has experienced more useand STIGAGE WITH GO& HI MEMBERSN ominalSuggested forSuggested asThreadLonger Wear LifeMaster GagesSize3B2B3B2B UNIFIED COARSE1 (.073)-643688-011442-011688-011440-012 (.086)-563688-021442-021688-021440-023 (.099)-483688-031442-031688-031440-034 (.112)-403688-041442-041688-041440-045 (.)

3 125)-403688-051442-051688-051440-056 (.138)-323688-061442-061688-061440-068 (.164)-323688-21442-21688-21440-210 (.190)-243688-31442-31688-31440-312 (.216)-243688-11442-11688-11440-11/4 (.2500)-203688-41442-41688-41440-45/16 (.3125)-183688-51442-51688-51440-53/8 (.3750)-163688-61442-61688-61440-67/16 (.4375)-143688-71442-71688-71440-71/2 (.5000)-133688-81442-81688-81440-89/16 (.5625)-121688-91440-95/8 (.6250)-111688-101440-103/4 (.7500)-101688-121440-127/8 (.8750)-91688-141440-141 ( )-81688-161440-161-1/8 ( )-71688-181440-181-1/4 ( )-71688-201440-201-3/8 ( )-61688-221440-221-1/2 ( )-61688-241440-24 UNIFIED FINE2 (.086)-643694-021443-021694-021441-023 (.099)-563694-031443-031694-031441-034 (.112)-483694-041443-041694-041441-046 (.138)-403694-061443-061694-061441-068 (.164)-363694-21443-21694-21441-210 (.190)-323694-31443-31694-31441-31/4 (.2500)-283694-41443-41694-41441-45/16 (.

4 3125)-243694-51443-51694-51441-53/8 (.3750)-243694-61443-61694-61441-67/16 (.4375)-203694-71443-71694-71441-71/2 (.5000)-203694-81443-81694-81441-89/16 (.5625)-181694-91441-95/8 (.6250)-181694-101441-103/4 (.7500)-161694-121441-127/8 (.8750)-141694-141441-141 ( )-141694-161441-161 ( )-121694-1611441-1611-1/8 ( )-121694-181441-181-1/4 ( )-121694-201441-201-3/8 ( )-121694-221441-221-1/2 ( )-121694-241441-24 WORKING GAGESREFERENCE gages


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