IS 4218-3 (1999): ISO General Purpose Metric Screw Threads

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है”ह”ह

IS 4218-3 (1999): ISO General Purpose Metric Screw Threads,Part 3: Basic Dimensions [PGD 20: Engineering Standards]

IS 4218 (Part 3) : 1999 IS0 724 : 1993

IS0 GENERAL PURPOSE METRIC SCREW THREADS

PART 3 BASIC DIMENSIONS

( Second Revision )

ICS 21.040.10

0 BIS 1999

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

July 1999

Price Group

Reaffirmed - 2009

Engineering Standards Sectional Committee, LM 01

NATIONAL FOREWORD

This Indian Standard (Part 3) (Second Revision) which is identical with IS0 724 : 1993 ‘IS0 general

purpose metric screw threads - Basic dimensions’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Engineering !&mdards Sectional Committee and approval of the Light Mechanical Engineering

Division Council.

This standard was originally issued in 1967 and subsequently revised in 1976. The first revision was based on ISO/R 724. This revision has been harmonized with IS0 Standard by adopting

IS0 724 : 1993.

The text of IS0 Standard has been approved as suitable for publication as an Indian Standard without deviations. In the adopted standard certain conventions are not identical to those used in Indian Standards; attention is especially drawn to the following:

a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard’.

b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a full point (.) as the decimal marker.

In this adopted standard, reference appears to certain International Standards for which Indian Standards also exist. The corresponding Indian Standards which are to be substituted in their place are listed below along with their degree of equivalence for the editions indicated:

In terna tional Standard

IS0 68”

IS0 261”

Corresponding Indian Standard

IS 4218 (Part 1) : IS0 general purpose metric screw threads : Part 1 Basic profile (second revision) (under preparation)

IS 4218 (Part 2) : IS0 general purpose metric screw threads : Part 2 General plan (second revision) (under preparation)

Degree of Equivalence

Identical

d0

IS0 5408 IS 10587 : 1983 Terminology for screw Technically threads equivalent

The committee responsible for the formulation of this standard has decided to revise all the six parts of IS 4218 by harmonizing with the corresponding IS0 Standards. Committee has also decided to publish the standards in two separate series. The first series will be published in four parts, that is, IS 4218 (Parts 1 to 4) by adopting the latest version of IS0 68-1, IS0 261, IS0 724 and IS0 262 respectively on publication covering the various requirements of IS0 general purpose metric screw threads except tolerances.The tolerances will be covered under new series of standards being published by adopting the latest version of IS0 965 (Parts 1 to 5) on publication.

This standard (Part 3) covers the basic dimensions of IS0 general purpose metric screw threads. The other three parts of the series on IS 4218 are listed as under:

IS No. Title

IS 4218 (Part l)/ IS0 general purpose metric screw threads: Part 1 Basic profile IS0 68-l (second revision) (under preparation)

” To be published in two parts (Revision of IS0 68 : 1973), and Part 1 is applicable. *) To be published (Revision of IS0 261 : 1973).

(Continued on third cover)

AMENDMENT NO. 1 JUNE 2012TO

IS 4218 (PART 3) : 1999/ISO 724 : 1993 GENERALPURPOSE METRIC SCREW THREADS


(Second Revision)

(Second cover page, NATIONAL FOREWORD):

Lines 21 to 26 — Delete.

(Page 1, clause 2):

a) Lines 11 to 14 — Delete.b) Lines 15 and 16 — Substitute ‘ISO 5408, Screw threads —

Vocabulary’ for the existing.

(Page 5, Table 1) — Add a pitch of 8 for nominal diameters 125 mm,130 mm and 140 mm, respectively, by adding three new rows as follows:

Table 1 Basic dimensionsNominal

diameter =Major

diameterD, d

Pitch

P

Pitchdiameter

D2, d2

Minordiameter

D1, d1

7664321, 5

72, 10373, 40274, 05174, 70175, 026

69, 50571, 67072, 75273, 83574, 376

78 2 76, 701 75, 835

Price Group 21

Amend No. 1 to IS 4218 (Part 3) : 1999/ISO 724 : 1993

Nominaldiameter =

Majordiameter

D, d

Pitch

P

Pitchdiameter

D2, d2

Minordiameter

D1, d1

8064321, 5

76, 10377, 40278, 05178, 70179, 026

73, 50575, 67076, 75277, 83578, 376

82 2 80, 701 79, 835

856432

81, 10382, 40283, 05183, 701

78, 50580, 67081, 75282, 835

906432

86, 10387, 40288, 05188, 701

83, 50585, 67086, 75287, 835

956432

91, 10392, 40293, 05193, 701

88, 50590, 67091, 75292, 835

1006432

96, 10397, 40298, 05198, 701

93, 50595, 67096, 75297, 835

1056432

101, 103102, 402103, 051103, 701

98, 505100, 670101, 752102, 835

1106432

106, 103107, 402108, 051108, 701

103, 505105, 670106, 752107, 835

2

3

Nominaldiameter =

Majordiameter

D, d

Pitch

P

Pitchdiameter

D2, d2

Minordiameter

D1, d1

115 6432

111, 103112, 402113, 051113, 701

108, 505110, 670111, 752112, 835

1206432

116, 103117, 402118, 051118, 701

113, 505115, 670116, 752117, 835

12586432

119, 804121, 103122, 402123, 051123, 701

116, 340118, 505120, 670121, 752122, 835

13086432

124, 804126, 103127, 402128, 051126, 701

121, 340123, 505125, 670126, 752127, 835

1356432

131, 103132, 402133, 051133, 701

128, 505130, 670131, 752132, 835

14086432

134, 804136, 103137, 402138, 051138, 701

131, 340133, 505135, 670136, 752137, 835



(Third cover page, NATIONAL FOREWORD):

a) Lines 6 and 7 — Delete.b) Lines 8 to 19 — Substitute following for the existing:

International Standard Corresponding Indian Standard Degree ofEquivalence

ISO 965-1 : 1998 ISOGeneral Purpose MetricScrew Threads —Tolerances — Part 1 :Principle and Basic Data

IS 14962 (Part 1) : 2001 ISOGeneral Purpose Metric ScrewThreads — Tolerances: Part 1Principle and Basic Data[Superseding IS 4218 (Part 4) :1976]

Identical

4

Nominaldiameter =

Majordiameter

D, d

Pitch

P

Pitchdiameter

D2, d2

Minordiameter

D1, d1

145 6432

141, 103142, 402143, 051143, 701

138, 505140, 670141, 752142, 835

150 86432

144, 804146, 103147, 402148, 051148, 701

141, 340143, 505145, 670146, 752147, 835

155643

151, 103152, 402153, 051

148, 505150, 670151, 752


Quality 1978]

ISO 965-3 : 1998 ISOGeneral Purpose MetricScrew Threads —Tolerances — Part 3 :Deviations forConstructional ScrewThreads

IS 14962 (Part 3) : 2001 ISOGeneral Purpose Metric ScrewThreads — Tolerances: Part 3Deviations for ConstructionalScrew Threads[Superseding IS 4218 (Part 5) :1979]

do

ISO 965-4 : 1998 ISOGeneral Purpose MetricScrew Threads —Tolerances — Part 4 :Limits of Sizes for Hot-Dip Galvanized ExternalScrew Threads to Matewith Internal ScrewThreads Tapped withTolerance Position H or Gafter Galvanizing

IS 14962 (Part 4) : 2001 ISOGeneral Purpose Metric ScrewThreads — Tolerances: Part 4Limits of Sizes for Hot-DipGalvanized External ScrewThreads to Mate with InternalScrew Threads Tapped withTolerance Position H or G afterGalvanizing

do

5

Threads — Medium [Superseding IS 4218 (Part 6) :

General Purpose External Screw Threads — Medium

ISO 965-2 : 1998 ISO IS 14962 (Part 2) : 2001 ISO IdenticalGeneral Purpose Metric General Purpose Metric ScrewScrew Threads — Threads — Tolerances: Part 2Tolerances — Part 2 : Limits of Sizes for GeneralLimits of Sizes for Purpose External and Internal

and Internal Screw Quality

EquivalenceInternational Standard Corresponding Indian Standard Degree of


(PGD 20)Reprography Unit, BIS, New Delhi, India

6

International Standard Corresponding Indian Standard Degree ofEquivalence

ISO 965-5 : 1998 ISOGeneral Purpose MetricScrew Threads —Tolerances — Part 5 :Limits of Sizes for InternalScrew Threads to Matewith Hot-Dip GalvanizedExternal Screw Threadswith Maximum Size ofTolerance Position h beforeGalvanizing

IS 14962 (Part 5) : 2001 ISOGeneral Purpose Metric ScrewThreads — Tolerances: Part 5Limits of Sizes for InternalScrew Threads to Mate withHot-Dip Galvanized ExternalScrew Threads with MaximumSize of Tolerance Position hbefore Galvanizing

Identical

c. _ . ._.. _.._

IS 4218(Part3):1999 IS0 724:1993

lndian Standard

IS0 GENERAL PURPOSE METRIC SCREW THREADS


( Second Revision )

1 Scope

This International Standard specifies the basic dimensions, in millimetres, of IS0 metric screw threads in accordance with IS0 261. The values refer to the basic profile i’n accordance with IS0 68.

2 Normative references

The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most re- cent editions of the standards indicated below. Members of IEC and IS0 maintain registers of cur- rently valid International Standards.

IS0 68:-l), /SO general-purpose screw threads - Basic profile.

IS0 261:-*), IS0 general-purpose metric screw threads - General pian.

IS0 5408: 1983, Cylindrical screw threads - Vocabu- lary.

d basic major diameter of external thread (nominal diameter)

LIZ basic pitch diameter of internal thread

4 basic pitch diameter of external thread

Dl basic minor diameter of internal thread

4 basic minor diameter of external thread

H height of fundamental triangle

P pitch

5 Basic dimensions

Cimensions shall be as shown in figure 1 and given in ?able 1.

3 Definitions

For the purposes of this International Standard, the definitions given in IS0 5408 apply.

4 Symbols

D basic major diameter of internal thread (nominal diameter)

1) To be published. (Revision of IS0 68:1973)

2) To be published. (Revision of IS0 261:1973)

Figure 1 - Basic dimensions

IS 4218(Part3):1999 ISO 724:1993

.

The values of D?, 4, D, and d, have been calculated from the following formulae and rounded, in table 1, to the third decimal place:

Dz=D-2x$H=D-0,6495P

d,=d-2x+H=d-C,6495P

D,=D-2x+H=D-l.C825P

d,=d-2x+H=d-l,C825P

Table 1 - Basic dimensions

Nominal diameter

= Major diameter

D# d

1

1.1

Fitch

t

P

0,25

0.2

t-

0,25

0.2

1,2 0,25

02

I,4 0,3

0,2

1,6 0,35

02

2,2 0,45

0,25 -I- 2.5 0,45

0,35

Pitch Minor diameter diameter

1,038 0,929

1,070 0,983

1,205 1,075

1,270 1,183

1,373 1,221

1,470 1,383

1,573 1,421

1,670 1,583

1,740 1,567

1,838 1,729

+

1,908 1,713

2,038 1,929

2,208 2,013

2,273 2,121

8

9

10

I,25 7,188 6,647

1 7,350 6,917

0.75 7,513 7,188

I,25 8,188 7,647

1 8,350 7.917

0.75 8,513 8,188

1,5 9,026 8.376

1.25 9,188 8,647

1 9,350 8,917

0,75 9,513 9,188

2

IS 4218(Part3):1999 IS0 724 : 1993

Nominal diameter

= Major diameter

D, d

11

12

15.

16

17

Pitch Pitch

diameter

P *2, 4?

-+

1.5 10,026

1 10,350

0,75 10,513

1,75 10,863

I,5 11,026

1,25 11,188

1 11,350

2 12,701

1.5 13,026

1.25 13.188

1 13.350

1.5 14,026

1 14,350

2 14,701

I,5 15,026

1 15,350

1,5 16,026

1 16,350

2,5 16,376

2 16,701

1,5 17,026

1 17,350

2.5 18,376

2 18,701

I,5 19,026

1 19,350

20,376

20,701

21,026

21,350

22,051 20,752

22,701 21,835

23,026 22,376

23,350 22,917

Minor diameter

9.376

9,917

10,188

10,106

10,376

10,647

10,917

11,835

12,376

12,647

12,917

13,376

13,917

13,835

I?,376

14.9i7

15,376

15,917

15,294

15,835

16,376

16,917

17,294

17,835

18,376

18,917

19,294

19,835

20,376

20,917

Nominal diameter

Pitch Pitch Minor

= Major diameter diameter

diameter

D, d P D2. d2 4. 4

2 23,701 22,835

25 1,5 24,026 23,376

1 24,350 23,917

26 1,5 25,026 24,376

3 25,051 23,752

2 27

25,701 24,835

1,5 26,026 25,376

1 26,350 25,917

2 26,701 25,835

28 1,5 27,026 26,376

1 27,350 26,917

3.5 27,727 26,211

3 28,051 26,752

30 2 28,701 27,835

1,5 29,026 28,376

1 29,350 28,917

2 32

30,701 29,835

1.5 31.026 30,376

3,5 30,727 29,211

3 33

31,051 29,752

2 31,701 30,835

185 32,026 31,376

35 1,5 34,026 33,376

4 33,402 31,670

3 34,051 32,752 36

2 34,701 33,835

1.5 35,026 34.376

38 1.5 37,026 36,376

4 36,402 34,670

3 37,051 35,752 39

2 37,701 36,835

1,5 38,026 37,376

3 38,051 36,752

40 2 38,701 37,835

I,5 39,026 38,376

3

IS 4218 (Part 3) : 1999 IS0 724:1993

Nominal diameter

= Major diameter

D. d

42

45

48

50

52

56

58

Pitch

P

4,5

4

3

2

1.5

4,5

4

3

2

1,5

5

4

3

2

I,5

3

2

1.5

5

4

3

2

1,5

4

3

2

I,5

5,5

4

3

2

105

4

3

2

1,5


D2, d2

39,077

39,402

40,051

40,701

41,026

DI, dl D, d

37,129

37,670

38,752

39,835

40,376

42,077 40,129

42,402 40,670

43,051 4'1,752

43,701 42,835

44,026 43,376

44,752 42,587

45,402 43,670

46,051 44.752

46,701 45,835

47,026 46,376

48,051 46,752

48,701 47,835

49,026 48,376

48,752 46,587

49,402 47,670

50,051 48,752

50,701 49,835

51,026 50,376

52,402 50,670

53,051 51,752

53,701 52,835

54,026 53,376

52,428 50,046

53,402 51,670

54,051 52,752

54,701 53,835

55,026 54,376

55,402 53,670

56,051 54,752

56,701 55,835

57,026 56,376

Nominal diameter

= Major diameter

Pitch

P


D2, d2 D,. d,

60

5.5 56,428 54,046

4 57,402 55,670

3 58,051 56,752

2 58,701 57,835

1.5 59.026 58,376

62

’ 4 59,402 57,670

3 60,051 58,752

2 60,701 59,835

I,5 61,026 60,376

6 60,103 57,505

4 61,402 59,670

64 3 62,051 60.752

2 62,701 61.835

1,5 63,026 62,376

65

4 62,402 60,670

3 63,051 61,752

2 63,701 62,835

1.5 64,026 63,376

6 64,103 61,505

4 65.402 63,670

68 3 66,051 64,752

2 66,701 65,835

1.5 67,026 66,376

70

72

6

4

3

2

I,5

6

4

3

2

I,5

66,103 63.505

67,402 65,670

68,051 66,752

68,701 67,835

69.026 66,376

68,103 65,505

69,402 67.670

70,051 68,752

70,701 69,835

71,026 70,376

75

4 72,402 70,670

3 73,051 71,752

2 73.701 72,835

1,5 74,026 73,376

IS 4218( Part 3):1999 IS0 724 :I993

Nominal diameter

Pitch Pitch Minor = Major diameter diameter diameter

D, d P D2, 4 DI, 4

6 72,103 69,505

4 73,402 71,670

76 3 74,051 72,752

2 74,701 73,835

1.5 75,026 74,376

78 2 76,700 75,835

6 76,103 73,505

4 77,402 75,670

80 3 78,051 76,752

2 78,701 77,835

1.5 79,026 78,376

82 2 80,701 79,835

6 81,103 78,505

4 86

82,402 80,670

3 83,051 81,752

2 83,701 82,835

6 86,103 83,505

4 90

87,402 85,670

3 88,051 86,752

2 88,701 87,835

6 91,103 88,505

95 4 92,402 90,670

3 93,051 91,752

2 93,701 92,835

6 96,103 93,505

100 4 97,402 95,670

3 98,051 96,752

2 98,701 97,835

6 101,103 98,505

4 105

102,402 100,670

3 103,051 101,752

Nominal diameter

Pitch Pitch Minor = Major diameter diameter diameter

D, d P 41 4 DI. 4

6 111,103 108,505

115 4 112,402 110,670

3 113,051 111,752

2 113,701 112,835

6 116,103 113,505

120 4 117,402 116,670

3 118,051 116,752

2 118,701 117,835

6 121,103 118,505

4 125

122,402 120,670

3 123,051 121,752

2 123,701 122,835

6 126,103 123,505

130 4 127,402 125,670

3 128,051 126,752

2 128,701 127,835

6 131,103 128,505

4 135

132,402 130,670

3 133,051 131,752

2 133,701 132,835

6 136,103 133,505

4 140

137.402 135,670

3 138,051 136,752

2 138,701 137,835

6 141,103 138,505

4 145

142,402 140,670

3 143,051 141,752

2 143,701 142,835

8 144,804 141,340

6 146,103 143,505

150 4 147,402 145,670

3 148,051 146,752

2 148,701 147,835

6 151,103 148,505

155 4 152,402 150,670

3 153,051 151,752

5

-... _^ -_..*l_..l_^-_“--__^. _.

IS 4218(Part3):1999 IS0 724 : 1993

-

Uominal iiameter

Pitch Pitch Minor


Sameter

D, d P D2, 4 4 4

8 154,804 151,340

6 160

156,103 153,505

4 157,402 155,670

3 158,051 156,752

6 161,103 158,505

165 4 162,402 160,670

3 163,051 161,752

8 164,804 161,340

6 163,505 170

166,103

4 167,402 165670

3 168,051 166,752

6 171,103 168,505

175 4 172,402 170,670

3 173,051 171,752

8 174,804 171,340

6 173,505 160

176,103

4 177,402 175,670

3 178,051 176,752

6 181,103 178,505

185 4 182,402 180,670

3 183,051 181,752

8 184,804 181,340

6 190

186,103 183,505

4 187,402 185,670

3 188,051 186,752

6 191,103 188,505

195 4 192,402 190,670

3 193,051 191,752

.8 194,804 191,340

6 200

196,103 193,505

4 197,402 195,670

3 198,051 196,752

6 201,103 198,505

205 4 202,402 200,670

3 203,051 201,752

-

Nominal diameter

Pitch Pitch Minor


diameter

D, d P D2, 4 4. 4

8 204,804 201,340

6 210

206,103 203,505

4 207,402 205,670

3 208,051 206,752

6 211 103 208,505

215 4 212,402 210,670

3 213,051 211,752

8 214,804 211,340

6 216,103 213,505 220

4 217,402 215,670

3 218,051 216,752

6 221,103 218,505

225 4 222,402 220,670

3 223,051 221,752

8 224,804 221,340

6 223,505 230

226,103

4 227,402 225,670

3 228,051 226,752 -

6 231,103 228,505

235 4 232,402 230,670

3 233,051 231,752

8 234,804 231,340

6 233,505 240

236,103

4 237,402 235,670

3 238,051 236,752

6 241,103 238,505

245 4 242,402 240,670

3 243,051 241,752

8 244,804 241,340

6 246,103 243,505 250

4 247,402 245,670

3 248,051 246,752

6 251,103 248,505 255

4 252,402 250,670

8

IS 4218 ( Part 3) : 1999 IS0 724 : 1993

Nominal diameter

= Major diameter

D. d

Pitch Pitch Minor

diameter diameter

P D2, 4 4. 4

8 254,804 251,340

260 6 256,103 253,505

4 257,402 255,670

6 265

261.103 ’ 258,505

4 262,402 260,670

8 264,804 261,340

270 6 266,103 263,505

4 267,402 265,670

275 I 6 271,103 268,505

] 4 272.402 270,670

8 274,804 271,340

280 6 276,103 273,505

4 277.402 275,670

6 285

281,103 278,505

4 282,402 280,670

8 284,804 281,340

290 6 286,103 283,505

4 287,402 285,670

6 295

291,103 288,505

4 292,402 290,670

8 294,804 291,340

300 6 296,103 293,505

4 297,402 295,670

7

(Continued from second cover)

IS No. IS 4218 (Part 2)/ IS0 261

IS 4218 (Part 4)/ IS0 262

Title

IS0 general purpose metric screw threads : Part 2 General plan (second revision) (under preparation)

IS0 general purpose metric screw threads : Part 4 Selected sizes for screws, bolts and nuts (second revision) (under preparation)

The Indian Standards of new series being published on tolerances for IS0 general purpose metric

screw threads are listed as under:

IS No.

IS...... (Partl)/ IS0 965-l

IS0 general purpose Principles and basic ( under preparation)]

Title

metric screw threads data [superseding IS

- Tolerances : Part 1 4218 (Part 4) : 19761

IS . . . . . . (Part 2)/ IS0 965-2

IS0 general purpose metric screw threads - Tolerances : Part 2 Limits of sizes for general purposes external and internal screw threads - Medium quality [superseding IS 4218 (Part 6) : 1978 (under preparation)

IS . . . . . . (Part 3)/ IS0 965-3

IS0 general purpose metric screw threads - Tolerances : Part 3 Deviations for constructional screw threads [superseding IS 4218 (Part 5) : 19791 (under preparation)

IS . i.. . . (Part4)/ IS0 965-4

ISQ general purpose metric screw threads - Tolerances : Part 4 Limits of sizes for hot-dip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing (under preparation)

IS.. . . . . (Part 5)/ IS0 965-5

IS0 general purpose metric screw threads - Tolerances : Part 5 Limits of sizes for hot-dip galvanized internal screw threads to mate with external screw threads with maximum size of tolerance position h before galvanizing (under preparation)

For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (revised)‘. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of hdiatt Statldards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not prccludc the free use, in the course 01. implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director (Publication), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates thilt no changes arc needed; if the review indicates that changes are needed, it is taken up liar revision. Users of Indian Slandnrds should ascertain that they are in possession of the latest amendments or cclition by referring lo the latest issue of ‘BIS Handbook’ and ‘Standards Monthly Additions’

This Indian Standard has been developed from Dot: No. LM Ol(O458).

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

BUREAU OF INDIAN STANDARDS Headquarters:

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002 Telephones: 323 0131,323 33 75,323 94 02

Regional Offices:

Central : Manak Bhavan, 9 Bahadur Shah Afar Marg NEW DELHI 110002

Eastern : l/14 C.I.T. Scheme VII M, V.I.P. Road, Maniktola CALCUTT’A 700054

Northern : SC0 335336, Sector 34-A, CHANDIGAR H 160022

Southern : C.I.T. Campus, IV Cross Road, C!lENNAI 600113

Western : Manakalaya, E9 MIDC, Marol, Andheri (East) MUMBAI 400093

Branches : AHMADABAD. BANGALORE. BHGPAL. BHUBANESHWAR. COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI. HYDERABAD. JAIPUR. KANPUR. LUCKNOW. NAGPUR. PATNA. PUNE. THIRUVANANTHAPURAM.

Telegrams: Manaksanstha (Common to all offices)

Telephone

323 76 17,323 38 41

1 337 337 84 86 99,337 85 9120 61 26,337

1 60 60 38 20 43 25

1 235 235 02 15 16,235 04 42 15 19,23523

832 92 95,832 78 58 832 78 91,832 78 92

Printed at Simco printing Press, Delhi. India

Documents

IS 4218-3 (1999): ISO General Purpose Metric Screw Threads