IS 14394: Industrial Fasteners - Hexagon Nuts of Product Grade C - Hot-Dip Galvanized (Size Range M12 to M36)

10 Pages·1996·1.1 MB·English

by  Bureau of Indian Standards

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“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
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