IS 1363(Part1):1992 IS0 4016 : 1968 <: (TkTmk) Indian Standard HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADE C PART 1 HEXAGON HEAD BOLTS ( SIZE RANGE MS TO M64 ) ( Third Revision ) First Reprint DECEMBER lSS3 UDC 621’882’622 @ BIS 1992 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 October 1992 Price Group 4.
HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADE C
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IS 1363(Part1):1992 IS0 4016 : 1968
<: (TkTmk)
Indian Standard
HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADE C
PART 1 HEXAGON HEAD BOLTS
( SIZE RANGE MS TO M64 )
( Third Revision )
First Reprint DECEMBER lSS3
UDC 621’882’622
@ BIS 1992
BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
October 1992 Price Group 4.
Bolts, Nuts and Fastener Accessories Sectional Committee, LM 14
NATIONAL FOREWORD
This Indian Standard ( Part 1 ) which is identical with IS0 4016 : 1988 ‘Hexagon head bolts - Product grade C’ issued by the International Organization for Standardization ( IS0 ) was adcpted by the Bureau of Indian Standards on the recommendation of the Bolts, Nuts and Fastener Accessories Sectional Committee ( LM 14 ) and approval of the Light Mechanical Engineering Division Council.
The standard was originally published in 1960 and revised in 1967. Subsequent to the publication of 1967 edition, many changes had been egreed upon at international level which have been reflected in IS 1367 series of standards covering threaded steel fasteners’.
‘Technical supply conditions for Accordingly, the standard was published in 3 parts covering hexagon
head bolts, hexagon head screws and hexagon nuts.
The second revision of the standard was based on IS0 4016 ‘: 1979 ‘Hexagon head bolts of Product grade C’ issued by ISO. This third revision has been made by the adoption of latest version of IS0 4016 published in 1988 as Part 1. The remaining parts of the standard, that is, Parts 2 and 3 have also been revised by adoption of corresponding latest version of international standards ( ISOs). The foHowing major changes have been made in this revision:
a) The range of sizes has been enlarged to cover sizes from M5 to M64;
b) The range of nominal lengths has ‘been extended up to 500 mm;
c) Non-preferred sizes have been included in separate table in line with IS0 4016;
d) The use of property class 3.6 is also permitted subject to the agreement between the manufacturer anq user.
ln the 1967 version of this standard, the width across flats for Ml 0 and Ml 2 size fasteners was specified as 17 mm and 19 mm respectively. However,% the 1983 version this width across flats was brought in line with IS0 4016 : 1979 and specified as 16 mm and 18 mm respectively for Ml0 and Ml2 size fasteners. Recognizing the fact that the new width across flat dimensions could not be implemented immediately, the Explanatory Note to 1983 version of the standard made a reference to this aspect. However, in the absence of specific coverage in the standard, the new width across flat dimensions could not be implemented. immediate changeover to new width across flats, the
Recognizing the difficulty of Committee felt that definite time frame
may be given to the manufacturers for changeover and accordingly, it has been decided that width across flats as per 1967 version, that is, 17 mm and 19 mm for Ml0 and Ml2 size fasteners shall be permitted till 31 December 1994.
It is also understood that some manufacturers are already equipped and manufacturing as per new width across flat dimensions and supplies as per new specifications are encouraged. During this period, the manufacture of fasteners as per old version shall be phased out and by 1 January 1995, it is expected that the entire fastener industry would have switched over to new width across flat dimensions and no old width across flats shall be permitted.
In the adopted standard, certain terminology and conventions are not identical with those used in Indian Standards; attention is specially drawn to the following:
a) Wherever the words ‘International Standard’ appear, referring to this standard, they should be read as ‘Indian Standard’; and
b) Comma ( , ) has been used as a decimal marker while in Indian Standards the current practice is to use point ( . ) as the decimal marker.
( Continued on third cover )
IS 1363 ( Part 1 ) : 1992 IS0 4016 : 1988
Indian Standard
HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADE C
PART 1 HEXAGON HEAD BOLTS ( SIZE RANGE M5 TO MB4 )
( Third Revision)
0 Introduction
This International Standard is part of the complete IS0 product standard series on hexagon drive fasteners. The series comprises:
a) hexagon head bolts (IS0 4614, IS0 4615, IS0 4016 and IS0 8765);
b) hexagon head screws (IS0 4017, IS0 4018 and IS0 8676);
c) hexagon nuts (IS0 4032, IS0 4633, IS0 4034, IS0 4635, IS0 4636, IS0 8673, IS0 8674 and IS0 8675);
g) structural bolting (IS0 4775, IS0 7411 to IS0 7414 and IS0 7417).
1 Scope and field of application
This International Standard gives specifications for hexagon head bolts with threads from M5 ?~p to and including M64 of product grade C.
If, in special cases, specifications other than those listed in this International Standard are required, they should be selected from existing International Standards, for example IS0 261, IS0 888, IS0 898-l. IS0 365-2 and IS0 4759-l.
1) These will form the subject of future International Standards.
r’s 1363(Partl ):1992 IS0 4016 : 1969
2 References
IS0 225, Fasteners - Bolts, screws and nuts - Symbols and designations of dimensions.
‘s 1 ‘g 1 4 I I ‘&! ‘s --I- max. min. ‘s 4 I ‘g ‘s ‘g ‘s ‘g 4 ‘g ‘s lg 4 ‘g
max. min. max. min. max. min. max. min. max. min. max. min. max.
For sizes above the steooed line, marked thus -, IS0 4018 is recommended.
min. 1 max. I min. ll0,“. r”lr,. max.
60 58.5 61,5
65 63.5 66.5
70 68.5 71,5
80 78,5 81.5
90 I 88.25 91.75
-100 98.25 101.75
110 108.25 111.75
121,75
132
142
152
164
L
-L 38
48 27.5 40
50
60 35 50
70 45 60
74 49 64 34,5 52
84 59 74 44.5 62
94 69 84 54.5 72 40
104 79 94 64.5 82 50
55.5
65,5
69,5
79,5
89.5
90
110
117
95 115
135
155
175
195
215
235
255
275
295
315
335
355
1 189 / 176 99
119
126
146
166
114
134
141
161
181
84-5
104.5
111.5
131.5
151.5
171.5
102
122
129
55.5 78
75.5 98
82.5 105
102.5 125
.122,5 145
142,5 165
162,5 185
182,5 205
202,5 225
2i2,5 245
242,5 265
262.5 285
124
144
151
70
90
97
117
137
157
177
197
217
237
257
277
84
91
59
66
86.
106
126
146
166
186
206
226
246
266
286
306
326
346
137
157
177
197
217
237
257
277
297
111
131
151
149
167
189
209
229
67.5
87.5
107,5
127.5
147.5
167.5
191,5
211,5
171
191
211
231
251
271
291
311
331
351
371
187,5
207.5
227.5
282.5
302,5
305
325
247.5
267.5
287,5
307.5
327.5 L
1) P = pitch of the thread.
q 2) For lengths loom < 125 mm.
3) For lengths 125 mm < /nor,, < 200 mm.
4) For lengths I,,,.,, > 200 mm.
5) k&in = 0~7 ka+n
6) lgmx=lnom-b
lsmin = Igmax - 5p
7) /* is the minimum grip length.
NOTE - The popular lengths are marked by the shank lengths.
IS 1363 ( Part 1 ) : 1992 IS0 4016 : 1988
4 Specifications and reference standards
Table 3 - Specifications and reference standards
Material Steel
General requirements
International Standard I
IS0 8992
Thread Tolerance 8g
International Standards IS0 261, IS0 665-2
Mechanical properties
Class I)
International Standards
d < 39 mm: 3.6, 4.6, 4.8 d > 39 mm: as agreed
d < 39 mm: IS0 999-l d > 39 mm: as aoreed
I Tolerances Product grade C
International Standard IS0 4759-l
as processed
Finish Requirements for electroplating are covered in IS0 4042.
If different electroplating requirements are desired or if requirements are needed for other finishes, they should be agreed between customer and supplier.
Acceptability For acceptance procedure, see IS0 3269.
1) The designation symbols for the property classes according to IS0 898.1 can also be used for thread sizes above M39, provided that the finished product has all the properties assigned to the designation symbols in IS0 999-l.
5 Designation
Example for the designation of a hexagon head bolt with thread M12, nominal length I = 80 mm and property class 4.6:
Hexagon head bolt IS0 4016 - Ml2 x 60 - 4.6
8 Reprography Unit, BIS, New Delhi, India
( Continued from second cover )
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:
International Corresponding hdian Standard Degree of Standard Equivalence
IS0 225 Identical
IS0 261 Technically equivalent
IS0 888 Identical
IS0 898-l Identical
IS 8535 : 1987 Bolts, screws, nuts and accessories - Terminology and nomenclature ( first revision )
IS 4218 ( Part 2 ) : 1976 IS0 metric screw threads: Part 2 Diameter pitch combinations ( first revision )
IS 4206 : 1987 Dimensions for nominal lengths and thread lengths for bolts, screws and studs ( first revision )
IS 1367 ( Part 3 ) : 1991 Technical supply conditions for threaded steel fasteners : Part 3 Mechanical properties and methods for bolts, screws and studs with full loadability
IS 4218 ( Part 6 ) : 1978 IS0 metric screw threads : Part 6 Limits of sizes for commercial bolts and nuts ( diameter range 1 to 52 mm ) ( first revision )
IS0 965-2
IS0 3269
IS0 4042
is0 4759-l
IS0 8992
ALTERATION
IS 1367 ( Part 17 ) : Technical supply conditions for threaded steel fasteners : Part 17 Acceptance criteria ( under,preparation )
IS 1367 ( Part 11 ) : Technical supply conditions for threaded steel fasteners : Part 11 Electroplated coatings on threaded steel fasteners ( under preparation )
IS 1367 ( Part 2 ) : 1979 Technical supply conditions for threaded steel fasteners : Part 2 Product grades and tolerances ( second revision )
IS 1367 ( Part 1 ) : 1980 Technical supply conditions for threaded steel fasteners: Part 1 Introduction and general information ( second revision )
Technically equivalent
Technically equivalent
Technically equivalent
Technically equivalent
Equivalent
In clause 5, the designation of hexagon head bolt may be read as ‘Hexagon head bolt IS 1363 ( Part 1 )-IS0 4016-Ml2x 86-4’6 in place of ‘Hexagon head bolt IS0 4016- M12x 80-4’6’.
B~reaa of Indian Standards
BIS is a statutory institution established under the Bureau of Indian Standurds Acf, 1986 to promote haimonious development of the activities of standardization, marking and quality certification of goods and attending to connected miitters 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 preclude the/free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director ( Publications ), BIS.
Revialon of Indian Standard0
Indian Standards are reviewed periodically and revised, when necessary and amendments, if any, are issued from time to time. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition. sent to BIS giving the following reference:
Comments on this Indian Standard may be
Dot : No. LM 14 ( 0159 )
Ameadmenb hoed Siam Pablhtioo
Amend No. Date of Issue Text Affected
BUREAU OF INDIAN STANDARDS
Headquarters:
Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002 Telephones : 331 01 31, 331 13 75 Telegrams : Manaksanst ha
( Common to all Offices )
Regional office5 :
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Eastern : l/14 C. I. T. Scheme VII M, V. I. P. Road, Maniktola CALCUTTA 700054