इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 14394 (1996): Industrial Fasteners - Hexagon Nuts of Product Grade C - Hot-Dip Galvanized (Size Range M12 to M36) [PGD 31: Bolts, Nuts and Fasteners Accessories] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 14394 : 6991 Indian Standard LAIRTSUDNI SRENETSAF - NOGAXEH NUTS FO PRODUCT EDARG C - PID-TOH DEZINAVLAG - NOITACIFICEPS eziS( egnaR 2lM ot M36) ICS 21.060.20 0 BIS 1996 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 Price Group 2 October 1996 ,stloB Nuts and srenetsaF seirosseccA lanoitceS ,eettimmoC ML 14 FOREWORD sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard~ dezilanif yb eht ,stloB Nuts and srenetsaF lanoitceSseirosseccA eettimmoC had neeb devorppa yb eht thgiL lacinahceM gnireenignE noisiviD .licnuoC larutcurtS ,seirtsudni ylralucitrap lacirtcele noissimsnart and rewot noitcere seirtsudni erew otrehtih using tcudorp edarg C nogaxeh nuts as rep SI 1363 ( traP 3 ) : 1991 retfa pid-toh noitazinavlag and ezisrevo tapping gnitam~rof htiw dezinavlag tcudorp edarg C nogaxeh stlob ni eht ecnesba fo an etairporppa naidnI dradnatS rof hcus .egasu sihT standard is detcepxe ot lifluf this .deen sihT standard shows htob elgnis ( lluf gniraeb ) and elbuod derefmahc smrof fo nogaxeh nuts as elbissimrep .sevitanretla ehT remrof epyt is ylralucitrap elbatius rof esu htiw spring washers ot SI 3063 elgniS‘ lioc ralugnatcer noitces spring washers rof ,stlob nuts and ’swercs rof erom tcatnoc .aera ecniS yltneserp SI 42 18 seod ton revoc eht latnemadnuf noitaived ( ecnarelot 7AX ) rof ,sdaerht erofereht xennA A ( desab no SID/OSI 5-569 ) has neeb detaroprocni ni this standard rof ecneinevnoc fo eht .sresu roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset ro ,sisylana shall eb dednuor ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( revised )‘. ehT rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard. IS 14394 : 1996 Indian Standard LAIRTSUDNI SRENETSAF - NOGAXEH NUTS FO PRODUCT EDARG C - PID-TOH DEZINAVLAG - NOITACIFICEPS eziS( egnaR ot21M M36) 1 SCOPE SI No. Title 1.1 sihT naidnI dradnatS srevoc stnemeriuqer rof -toh :)3traP( 1991 lacinahceM seitreporp and tset pid dezinavlag nogaxeh nuts fo ytreporp sessalc 5 and 0SI :l-898 1988 sdohtem rof ,stlob swercs and 8, tcudorp edarg C, htiw daerht sretemaid 21Mmorf ot studs htiw lluf ytilibadaol ( third M36 .evisulcni revision ) 1.2 ehT nuts derevoc yb this standard era deppat )6traP( : 1994 lacinahceM seitreporp and tset ezisrevo ecnarelotot class 7AX ( ees xennA A .) sdohtem rof nuts htiw deificeps foorp sdaol ( 2 SECNEREFER third revision ) :)31traP( 1983 pid-toH dezinavlag sgnitaoc no ehT gniwollof standards niatnoc snoisivorp hcihw dedaerht srenetsaf ( second hguorht ecnerefer ni this ,txet etutitsnoc noisivorp fo revision ) this standard. At eht emit fo ,noitacilbup eht snoitide :)71traP( 1996 ecnatpeccA airetirc detacidni erew .dilav llA standards era tcejbus ot noisiver (second and seitrap stnemeerga desab no this standard era revision ) degaruocne ot etagitsevni eht ytilibissop fo gniylppa 4218 0SI cirteM wercs sdaerht eht tsom tnecer snoitide fo eht standards detacidni :)2traP( 1976 retemaiD hctip snoitanibmoc :woleb ( first revision ) SI .oN Title )4traP( : 1976 gnicnareloT metsys ( first j revision 1367 lacinhceT ylppus snoitidnoc rof )6traP( : 1978 stimiL fo sezis rof laicremmoc stlob dedaerht leets srenetsaf and nuts ( retemaid egnar 1 mm ot traP( )1 : 1980 noitcudortnI and lareneg 52 mm ) ( first revision ) noitamrofni ( second revision ) 3 DIMENSIONS :)2traP( 1979 tcudorP sedarg and secnarelot ehT snoisnemid daer htiw .giF 1 shall eb as nevig ni elbaT 1. ( second revision ) Table 1 Dimensions for Hexagon Nuts All dimensions in millimetres. Thread size d’) Ml2 Ml6 M20 w22) M24 (~27) M30 w33) M36 P*’ 1.75 2 2.5 2.5 3 3 3.5 3.5 4 dw Min 16.5 22 27.7 31.4 33.3 38 42.8 46.6 51.1 e Min 19.85 26.17 32.95 37.29 39.55 45.2 50.85 56.37 60.79 I) Thread sizes in brackets are non-preferred. 2, p = pitch of the thread. IS 14394 : 1996 COUNTERSINK AT START 15;‘T O 3t?_ + ALTERNATE FORM PERMISSIBLE NUT WITH FULL BEARING FIG. 1 HEXAGONNUT 4 TECHNICAL SUPPLY CONDITIONS Requirement Confoming to lairetaM leetS lareneG stnemeriuqer naidnI dradnatS SI 1367 traP( 1) : 1980 ecnareloT ’XA7 ) ees( also Annex )A daerhT naidnI sdradnatS IS4218(Part2): 1976 SI 4218 traP( 6) : 1978 ytreporP ssalC 52’ 8” naidnI dradnatS SI 1367 traP( 6) : 1994 lacinahceM seitreporp ytreporP ssalc fo pid-toh dezinavlag gnitam stlob ‘) 4.6, 4.8, 5.6, 5.8 6.8, 8.8 tcudorP edarg C secnareloT naidnI dradnatS SI 1367 traP( 2) : 1979 epyT pid-toH dezinavlag ecafruS hsinif naidnI dradnatS SI 1367 traP( 13) : 1983 ytilibatpeccA SI 1367 traP( 17) : 1996 )* ehT stun era ezisrevo .deppat ehT daerht secnarelot rof ezisrevo deppat pid-toh galvanized nogaxeh stun fo tcudorp edarg C era ton derevoc ni SI 1367 ( traP 13 ) : 1983 dna these have neeb yliraropmet detangised sa .XA7 ehT daerht stimil for these tolerance class are included ni xennA A no a lanoisivorp sisab gnidnep noitpoda fo siht daerht ssalc ni SI 4218. 2, roF foorp daol ,seulav ees 5. 3, ytreporP ssalc fo pid-toh dezinavlag gnitam stlob ot SI 1367 ( traP 3 ) : 1991. 2 SI 14394 : 1996 5 PROOF LOAD VALUES 6 DESIGNATION 5.1 Proof seulavdaol of stun gnidnopserroc ot ecnarelot ehT pid-toh dezinavlag nogaxeh stun of tcudorp grade ssalc XA7 llahs eb as nevig ni elbaT 2. C llahs eb detangised yb thread ,dezis ytreporp ssalc dna rebmun of siht .dradnats 6.1 A pidtoh dezinavlag nogaxeh tun of tcudorp grade 5.2 Proof daol seulav nevig ni elbaT 2 are desab no ,C of thread ezis d = M 16 dna ytreporp ssalc S eb~llahs the gniwollof proof daol stresses. detangised :sa pid-toH dezinavlag nogaxeH tuN - 6lM - -5 SI 1931-l Thread Size Property Class GNIKRAM7 tcudorP llahs eb dekram ni ecnadrocca htiw the d 5 8 stnemeriuqer of SI 1367 ( Part 6 ) : 1994. Stress rednu proof daol pS 7.1 ehT tcudorp yam osla eb dekram htiw the dradnatS 2mm/N Mark. 2lM 6lM 490 670 7.2 ehT esu of the dradnats kram si denrevog yb the snoisivorp of the Bureau of Indian StandardAct, 1986 M20 (M22) M24 dna the seluR dna edam~snoitalugeR .rednuereht ehT (M27) M30 (M33) 500 740 sliated of snoitidnoc rednu hcihw the ecnecil for the M36 esu of the dradnatS Mark yam eb detnarg ot srerutcafunam or srecudorp yam eb deniatbo morf the ETON - daerhT sezis ni stekcarb era .derreferp-non uaeruB of naidnI .sdradnatS Table 2 Proof Load Values for Tolerance Class 7Ax daerhT hctiP fo lanimoN ssertS ytreporP ssalC eziS daerhT aerA fo dradnatS tseT lerdnaM 5 8 d P ,A foorP daoL mm 2mm : ,A( x ,) N 2lM 57.1 84.3 41 300 56 500 6lM 2 157 77 000 105 200 M20 2.5 245 122 500 181 300 (M22) 2.5 303 151 500 224 300 M24 3 353 176 500 261 300 (M27) 3 459 229 500 339 700 M30 3.5 561 -280 500 415 200 (M33) 3.5 694 347 000 513 600 M36 4 817 408 500 604 600 NOTES 1 daerhT sezis ni stekcarb era .derreferp-non 2 llA rehto lacinahcem ytreporp stnemeriuqer era sa rep IS 7631 traP( )6 : .4991 3 roF sdohtem fo ,tset ees SI 1367 traP( 6) : 1994. IS 14394 : 1996 ANNEX A THREAD LIMITS FOR HOT-DIP GALVANIZED HEXAGON NUTS, PRODUCT GRADE C, TOLERANCE CLASS 7AX ehT thread stimil for pid-toh dezinavlag nogaxeh .stun tcudorp grade C htiw the thread ecnarelot ssalc .XA7 are nevig ni elbaT 3 :woleb Table 3 Thread Limits of Tolerance Class 7AX Thread Size Lenght of Thread Major Pitch Diameter Minor Diameter Engagement (mm) Diameter (mm) (mm) - (mm) d Over pU ot dna Min Max Min Max Min gnidulcnI 2lM 6 81 53.21 364.11 312.11 188.01 654.01 6lM 8 42 04.61 663.51 101.51 017.41 532.41 02M 01 03 04.02 650.91 677.81 452.81 496.71 122MC 01 03 04.22 650.12 677.02 452.02 496.91 42M 21 63 54.42 638.22 105.22 238.12 202.12 172I~ 21 63 05.72 688.52 155.52 288.42 252.42 03M 51 54 55.03 236.82 772.82 174.72 167.62 133M( 51 54 55.33 236.13 772.13 174.03 167.92 63M 81 35 06.63 773.43 200.43 020.33 072.23 SETON 1 stuN era deppat ezisrevo ot eht evoba snoisnemid retfa .gnizinavlag 2 ehT daerht stimil ni elbaT 3 era desab no a latnemadnuf noitaived EI, :fo 053 mp rof 2lM 004 mp rof ,61M 02M dna 22M 054 mp rof 42M 005 mp rof 72M 055 mp rof 03M dna 33M 006 mp rof 63M ehT latnemadnuF noitaived EI, rof daerht sezis > 63M 5 46M era nwohs woleb roI ecnadiug ylno 008 mp rof y 63M 5 84 0001 mp rof > 84M < 46M Bureau of Indian Standards SIB si a yrotutats noitutitsni dehsilbatse rednu the Bureau oflndian StandardsAct, 1986 ot etomorp suoinomrah tnempoleved of the seitivitca of ,noitazidradnats gnikram dna ytilauq noitacifitrec of goods dna gnidnetta ot detcennoc srettam ni the .yrtnuoc Copyright SIB has the thgirypoc of lla sti .snoitacilbup No part of these snoitacilbup yam eb decudorper ni yna mrof tuohtiw the roirp noissimrep ni gnitirw of .SIB sihT does ton edulcerp the free ,esu ni the esruoc of gnitnemelpmi the ,dradnats of yrassecen ,sliated hcus as slobmys dna ,sezis epyt or grade .snoitangised seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ,)snoitacilbuP( .SIB Review of Indian Standards stnemdnemA are deussi ot sdradnats as the deen sesira no the sisab of .stnemmoc sdradnatS are osla deweiver ;yllacidoirep a dradnats gnola htiw stnemdnema si demriffaer nehw hcus weiver setacidni that on segnahc are :dedeen fi the weiver setacidni that segnahc are ,dedeen ti si nekat pu for .noisiver sresU of naidnI sdradnatS dluohs niatrecsa that yeht are ni noissessop of the tsetal stnemdnema or noitide yb gnirrefer ot the tsetal eussi of SIB‘ ’koobdnaH dna sdradnatS‘ : ylhtnoM .’snoitiddA sihT naidnI dradnatS has neeb depoleved morf Dot : No. LM 14 ( 0289 ). 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