IS 7975-2: Driving Parts for Hand Operated Square Drive Socket Wrenches, Part 2: Dimensions

12 Pages·1991·1.1 MB·English

by  Bureau of Indian Standards

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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.
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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 7975-2 (1991): Driving Parts for Hand Operated Square
Drive Socket Wrenches, Part 2: Dimensions [PGD 5: Assembly
Hand Tools]
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Satyanarayan Gangaram Pitroda
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“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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“Knowledge is such a treasure which cannot be stolen”

DRIVINGPARTSFOR
HANDOPERATEDSQUAREDRIVESOCKET
WRENCHES- SPECIFICATION
PART 2 DIMENSIONS
( First Revision )
UDC! 621’883’16

@ BIS 1991
BUREAU OF -INDIAN STA~NDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
November 199 1 Price Group 3

F
ylbmessA dnaH slooT lanoitceS ,eettimmoC EP 05
FOREWORD
sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht
tfard dezilanif yb ylbmessA dnaH slooT lanoitceS eettimmoC had neeb devorppa yb eht -cudorP
noit gnireenignE noisiviD .licnuoC
sihT standard was tsrif issued ni 1976 desab no 0SI 3315 : 1975. tneuqesnoC no its noisiver fo
,OST this standard has neeb .desiver ehT tset euqrot seulav evah neeb deifidom and dengila htiw
desiver .OSI snoisnemiD era ni tnemngila htiw NID .8891-2213
sihT desiver standard is ni ytimrofnoc htiw 0SI 8891-5133 ylbmessA‘ sloot rof swercs and nuts-
gnivirD parts rof hand detarepo erauqs evird tekcos sehcnerw - euqroT ’gnitset issued yb -retnI
lanoitan noitazinagrO rof noitazidradnatS .)OSI( ecnatsissA has osla neeb devired morf
NID 8891-2213 gnivirD‘ parts rof hand detarepo derauqs evird tekcos ’sehcnerw issued yb
sehcstueD tutitsnI riif gnumroN .)NID(
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 shall eb dednuor ffo ni
ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( desiver .‘) ehT rebmun fo
tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav
ni this standard.
SI 7975 ( traP 2 )
: 1991
Indian Standard
DRIVIMGPARTSFOR
HANDOPBRATEDSQUAREDRIVBSOCKET
WRENCHES-SPECIFICATION
PART 2 DIMENSIONS
( First Revision )
1 EPOCS
SI No. Title
sihT standards srevoc snoisnemid rof gnivird 7214 : 1974 noitacificepS rof gnivird
parts rof hand detarepo erauqs evird tekcos squares rof hand tekcos
.sehcnerw sehcnerw
2 SECNEREFER
3 ERUTALCNEMON-
1.2 ehT gniwollof naidnI Standards era
yrassecen stcnujda ot this standard : 3.1 erutalcnemoN fo hand detarepo erauqs
evird tekcos sehcnerw shall eb as nevig
IS No. Title ni SI 6293 : 1981.
6293 : 1981 erutalcnemoN fo eht ylbmessa
sloot rof nuts and swercs 4 SNOISNEMID
( tsrif revision ) 4.1 eeT ,eldnaH erauqS evirD

llA snoisnemid ni .sertemillim
Nominal Dimension a dl d, I Test Torque
of Driving Square Max Max Max Max Min
Nm
3’6 24 7 14 160 55
10 35 12 23 250 180
5’21 50 14 27 320 5-54
20 62 20 40 510 1255
25 80 28 50 760 2 236
IS 7975 ( Part 2 ) : 1991
4.2 Speed ecarB
llA snoisnemid ni .sertemillim
Nominal Dimension a b 1 Test Torque
of Driving Square Max Max Max Min
Nm
3’6 90 38 410 24
10 125 40 350 79
10 125 40 470 199
5’21 145 50 350 549
5’21 145 50 500 978
4.3 tehctaR eldnaH

llA snoisnemid ni sertemillim
Nominal Dimension a b C I Swing Test Torque
of Driving Square Max Max Max Max Angle1 Min
Nm
12 25 25 150 26” 62
6’3
10 14 34 25 200 26” 202
5’21 21 50 38 275 26” 512
20 25 65 52 510 26O 1412
gniwS‘ elgna neewteb owt .hteet

2
IS 7975 ( Part 2 ) : 1991
4.4 Ratchet Handle, Reversible
llA snoisnemid ni .sertemillim
Nominal Dimension a h I Swing Test Torque
of Driving Square Max Max Max =elgnA Min
Nm
3’6 24 25 150 20” 62
10 36 35 200 20” 202
5’21 45 50 300 15” 512
20 60 70 630 15” 1 412
25 80 90 900 15” 2 515
,‘
gniwS elgna neewteb owt .hteet
4.5 Handle, Spin Type, Male Square

-
11
- -
llA snoisnemid ni .sertemillim
Nominal Dimension II 12 Test Torque
of Driving Square Max Min Min
Nm
3’6 160 40 10
10 190 40 34
3
IS 7375 ( Part 2 ) : 3991
4.6 Not Spinner, Flex Head
I
P !I:
I/I \ >
+,! I,, -----_ __
G:!: )
-
1 -
Y
llA snoisnemid ni .sertemillim
Nominal Dimension I Test Toque
of Driving Square Max Min
Nm
3’6 160 62
10 260 202
5’21 250 512
5’21 400 512
4.7 Offset Handle, Square Drive
llA snoisnemid ni .sertemillim
21
Nominal Dimension II Test Torque

of Driving Square Max Mar Min
Nm
6.3 110 35 62
10 210 45 202
5’21 250 60 512
4.8 gnivirD erauqs shall eb ni ecnadrocca htiw 5.2 Speed Brace
SI 7214 : 1974 htiw a muminim hardness fo 352
(va x 39 HRC ). A deeps ecarb htiw lanimon noisnemid fo
gnivird erauqs 10 mm and htgnel 470 mm shall
snoitartsulli nevig ni 4.1 ot 4.7 era
4.9 The eb detangised as :
citammargaid ylno and era ton dednetni ot
etartsulli eht sliated fo .ngised
deepS ecarB SI 7975 ( traP 2 ) - 10 X 470
5 NOITANGISED
5.3 Ratchet Handle
5.1 Tee Handle, Square Drive
A eet eldnah erauqs evird htiw lanimon A tehctar eldnah htiw lanimon noisnemid fo
noisnemid- fo gnivird erauqs 5’21 mm htgnel gnivird erauqs 20 mm shall eb detangised as :
320 mm shall eb detangised as :
eeT eldnaH SI 7975 traP( )2 5’21- ~320 tehctaR eldnaH SI 7975 traP( 02-)2

4
IS 7975 ( Part 2 ) : 1991
5.4 Ratchet Handle Reversible 5.6 Nnt Spinner, Flex Head
A tehctar eldnah elbisrever htiw lanimon A tun ,rennips xelf daeh htiw lanimon noisnemid
noisnemid fo gnivird erauqs 10 mm and htgnel fo gnivird erauqs 5’21 mm shall eb detangised
200 mm shall eb detangised as : as :
tehctaR eldnaH elbisreveR SI 7975 traP( 2 ) Nut rennipS SI 7975 ( traP 2 ) -12’5
01- x 200
5.7 Offset Handle, Square Drive
5.S Handle, Spin Type, Male Square
An tesffo ,eldnah erauqs evird htiw lanimon
A ,eldnah spin ,epyt elam erauqs htiw lanimon
noisnemid fo gnivird erauqs 10 mm shall eb
noisnemid fo gnivird erauqs 3’6 mm shall eb
detangised as :
detangised as:
,eldnaH nipS epyT SI 7975 ( traP 2 ) 3’6- tesffO eldnaH SI 7975 traP( 2 ) 01-

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