Eleventh Reprint JULY 1995
( foeorprnting
Amcndmcn:
No. I )
SPEClFICATION FOR
PLAIN WASHERS
( Fkd-
Revisioaz )
Screw Threads and Fasteners Sectional Committee,
SIIRI
EDC 27
Represenfing
ChCifitIM
T. C. PANT
Rexarch Designs & Standards Oqanization
try of Railways )
(Mix&
SHIU C. M. MAUR ( Al&mute to
Shri T. C. Pant )
Ministry of Defence ( DGI )
COL J. P. ANTHONY
SHRI
S. C. GHOSH ( Ahnate )
Machine Tool Prototype
Factory, Directotatc
s.xawR. M. APm
Getieral of Ordnance Fact&q
Ambemath
Directorate of Inspection ( Vehicles ), Mb&try of
Dcfewe ( DGI )
%RI D. R. MALIK (Alternate )
Ta:a
Engineering. & Locomotive
,cO Ltd,
~f%W
B. s. iiHAOOW4LIA
JCUIlSilfZdpUr
Heavy Elc~ctricals ( II: &a ) Ltd, Bhopal
Smr
s. K.
BtiATIA
Hindustar;. Ma.&& Toois Ltd, Bangalore
5x1~ R. S. 13~.
S:mr M. rtANQASHA1 ( Attcrnak )
Indian Navy
D.:CPUN
DIRECTOR OP MARINE
ENOINEERINO
E;I-COL M. K. DHAM
DPI::V. M. GHATAGE
SHRI B. R. SAMPATUWMAUX
( Alfernofe)
%a 3. GOW~WRAJ
SZIRI D. A. CHELLIAAH ( Altcrnau
SW:: N. V. HEBACKAR
Smr 8. D. KAPUR
SHIU Y. KAFUR
Sara Ds1.n~P.WJL ( Alternate
)
Saw M. N. KEW.RI
SIXRI
DR % 1’.
K.
GURURAJA
(
Altcmak )
LUTHRA
SNXI Il. MAJUMDAR
St-txr G. B. JAUTIA
Ministry of Defcncc ( R Rr D )
Hindustan Aeronautics Ltd, Ba.ngalore
Indian Teiephone Industries Ltd, Bangalore
,1
Kirloskar Ilrothers Ltd, Kirloskarvadi
All. India Manufacture:& Organization, Bombay
Guest, V.een, Williams, Ltd, Calcutta
Bharat Electronics Ltd. Bangalore
The Insritction of Engineers ( India), Calcutta
Offcc~ of the Develo;xnent Commissioner for Small
Scale Industries
( Ministry
of Industs
Development & Company AA&, )
( Alhmotc )
( Cdnud
-.-Z.-a1.--.-
MuL:*“.~
BUREAU
MAN,b&
OF
BHAVAN,
lNDi&N
9 BAHADUR
NEW
DELHI
STANDARDS
SHAH
110002
ZAFAR
MAR0
ORpage 2 )
Hq6rcszr:fin~
National Tc3t House, Calcutta
Diwctoratr
General
of T:ecl;niial
Deve:opmcnt
( Ministry
of
Industria!
I:)evclopmcnt
&
Company Affairs )
Engineering
Association of India, Caicutta
Mcmbcrs
CjHxI s. I,. ?&4JI:lrlDAR
SHRI R.N.
~~ALLICK
SHRI R. S. MATHUR
SHRI S. K. MANIKTA,LA
$HKI
P. s. 3 AC,\SuNDARKb,
( AIlcrnnte
SHRI K. S. PATEL
PRAKAs~~
SHRI P. C. JAIN ( Alfemak )
SE-~.PREM
SHKl s. RAM ~.MRITWAM
SHRI P. Ii.
SmxT.S.S.!Lm
SHRI
)
Directorate
of Technical
Devclop:n.eat
( Air j ( Ministry
of Defencc )
Jyoti L.td, Baroda
National
Physical Laboratory
( CSIR
Directorate
Tourism
CHANDRASEKHAR
The
SHRI 3. C. BRADLEY (1Alfrrnale
S. SHIVANANDA
SW.WY
M.
Cycle
Calcutta
Manufacturers’
New Government
(Ministry
of
Assxiation
of
India,
Electric
Fac:tory,
Ban&ore
Directorate
General of Supplies 8.z Disposals ( Ministry of Works, Housing & Supply )
Industria!
Fasteners’ Association
of India, Calcutta
Director General, ISI ( Ex-o$cio Member )
\?. t’ATANKAR,
( X&h
Aviation
)
)
SHRI D. V. VIRMAX.I.
Director
), New Delhi
( AknQfC)
SHRI Ii. F. WAGNER ( Alternate)
SHJHS. S. TEIAKUR
SHiBI
General
of Civil
8: Civil Aviation
& Production
Engg )
SW-!Ugv
SHRI S.CWANDRASEKHARAN
Deputy
Director
( Mcch Engg ), IS1
Bolts and Nuts for GeneralEE;Ei;eri;rg
Purposes Subcommittee,
CO?WOUl
Hindustan
SHRZ R. S. BIR
h+mbns
SHRI M: RANCASHAI ( dltemate
hri R. S. Bir )
SHRI
ss K. J~HATIA
..-.. __
L. T-COL H. K. DHAM
Sl
_HRI D. S. GABBI
SHRI v. %.puR
SHRI DILIP PAUL
( A~fc-rnafc )
SHRl M. M. MURARKA
Machine
Tools
Ltd,
Bangalore
to
Heavy Electricals ( India ) Ltd, Bhopal
Ministry
of Defence
(R & D )
Research Designs & Standards
( Mini&y of Railways )
Guest, Keex, Williams, Ltd., Calcutta
Organization
Engineering Association of India, Calcutta
N. V. ,MESWANI( Altui&
)
SHRI. R. S. THAPA
Forbes Forbes Campbell & Cb Ltd, Bombay
SHRI,J; P. PALKHIVALA ( Aftem&)
SHRX
‘2
IS : 2dPS -
1967
Indian Standard
SPECIFIC.ATION FOR
PLAIN WASHERS
( First Revision j
0. FOREWORD
0.1 This Indian Standard ( First Revision ) was adopted by the Indian
Standards
Institution on 9 November 1967, after the draft finalized by the
>
Screw
Threads and Fasteners Sectional Committee had been approved by
the Mechanical Engineering Division Council.
5.2 This standard was originally issued. in 1962. This revision incorporates
the decision taken by the ISO/TC 2 Eolts, Nuts and Accessories.
a),3 This standard is based on:
Draft ISO Recommendation Ko. 940 ‘Washers for hexagon bolts and
nuts, metric series. Inter:larional Organization for Standardizntion.
Dot:
ISO/TC
2 ( Secretariat- T.84 ) 302 First draft proposal fclr
washers for heltagon bolts and nuts - metric series - 42 up to
and including 1.50,mm thread diameter. Internationai
Organization for Standardization.
Dot:
ISO/TC
2 ( Secretariat-194)
326 First draft proposal for
washers for cheese head screws -. metric series - 1 up to and
including 20 mm thread diameter.
International
Organization
for Standardization.
DIN
1251943 Scheiben fiir Sechskantschr uben und Muttern
-as ers for hexagon bolts and nutS ). Deutscher Normencd!h% . .
Q.4 For the purpose of deciding whether a particular requirement of this
standard is complied with, the final value, observed or calculated, e+ress-,
ing the result of a test, shali be rounded off in accordanc.e with IS : 2-1960*.
The number of significant places retained in the rounded off value should
be the same as that of thi: specified va1v.e in this standard.
3
I.1 This standard iays down the requirements for plain washers of the
following types:
4 Machined washers, for precision and semi-precision grade of
general purpose baits and screws, in the diameter range ; ~7 to
155 mm;
b) Punched washers, type A, for black grade general purpose bolts
and. screws, in the diameter range i-8 to 52 mm; and
Cl Punched washers, type B, for slotted head screws in the diamctcr
range 1.8 to 22 mm.
Washers shall be made of steel, brass, aluminium
other suitable metal. specified by the purchaser.
2.1 Mate&d
-
o;- any
2.2 W~rh~tisSp
-‘- The washers shall be free from cracks, brxxs, pits
and other dekcts. The holes shaIl be reasonably concentric with !;he outer
A11 sha~rp edges sha’!l be removed.
periphery.
3. D~XGNATXO~J
3.1 A washer shall be designated by name, type, size, number
standard and material.
<:~f this
Examples:
a) A machined washer of size 10.5 mm made of brass shall be
designated as:
Machined Washer 10.5 IS : 2016~Brass
b) A punched washer, Type B of size 14 mm made of brass shah
be designated as:
Punched Washer B 14 IS : 2016~&ass
4. EIMENSIONS
4.1 The dimensions for machined washers, punched washers, types A and
B, shall be as given in Tables I,2 and 3respectively ( seeP 6 to 11 ).. These
tab& also give the size of bolt or screw for which the washers are witable.
42 The other ditiensional requirements for punched washers covered in
Tables 2 and 3 khal be as givext in I§ : 5369-1969’.
@Gcaad rqdremcnts
for pIah washas id
4
lddr nwhtii
X@t2016-1967
5. lRNIS?I
S;1 Tht plain washers shah .be supplied in natural finiih unless otherwise
s$ecified by the purchaser.
At the request of the purchaser, washers may
be phosphate coated, nickel plated, tinned, galvanized, ‘copper plated,
cadmium plated, etc. The properties of the plain washers shall not,
be impaired
by the protective coating specified by the
however,
purchaser.
6. PACKING
6.1 The plain washers may be packed as recommended
Sizes up to 10.5 mm
Size3 from 13 to 19 mm
Sizes 21 mm and above
The plain
and 50 kg.
below:
In boxes of 1000 pieces
In boxes of 500 pieces
In boxes of 100 pieces.
washers may also be packed in quantities
of 2 kg
‘7,I The packages containing washers shall be marked with the sire and
manulhcturer’a name or trade-mark.
7.X.1 The package
Mark.
may also bc marked
with
the IS1 Certification
Nme -The
use of the IS1 Certification Mark is governed by the provisions of the
Indian Standards Institution ( Certification Marks ) Act and the Rules and Regulations
made thereunder. The ISI Nark
on ~producta covered by an Indian Standard
conveys the assurance that they have been produced to comply with the requirements
of that standard under a well-dc6ncd system of inspection, tclting and quality control
which is devised and supervked by ISI and opuattd by the producer. IS1 marked
products are also continuously
checked by ISI for conformity to that standard as a
Father safeguard. Details pf conditions under which a licencc for the use of the IS1
Certification Mark may be granted to roanufactuxxs or proc&aon, may be obtained
from the Indian Standards Institution.
-...---
SIZE i -d H12*
Basic
_.-..-
D
--
4
1.7
-
_.-..-
_
5
(2)
-...-
__-~
5
2.2
---
6
TO1
-4-o
-0.3
T
-1,Basic
.--.-
TO1
-
0.3
.
--
0.3
-
_j.
0.3
_
~.*0.1
*O*l
--.--
0.1
------
*O-I
0.2
(M2.2)
.-
x0.1
0.2
M2.5
10-l
0.2
M3
10.1
0.3
(h13.5)
=kO*l
o-3
M4
- .
0.5
7
3.2
-(3.7)
4.3
_
-to
-0.3
0.5
_ .
8
9
3.3
t,“.,
0.8
--
(4.8)
10
2i.3
-.
. .
04
I
-.---~-
--
M2
I---
0.5
-.
(M1.U)
0.;
. .
+o
-0.3
&i31.>;
O-1
*O-I
--
+0
-0.3
+o
-0.3
,
-
_-
“I_
I.0
10.1
0.4
(M45)
-‘.,
( bntimd )
- Sizes in brackets are of second preference.
*Sea IS : 919 - 1963 ‘ Recommendationa for limits and fits for enginestring ( r&d ) ‘.
NO=
6
fSt2016.1967
c
-SIZE
d H12*
D
BE&
I
L
IO
5.3
12.5
6.4
-(7.4)
+o
-0.5
21
13
4-Q
-0.5
24
----
(1s)
17,
----.
(i9)
--.21
/
--. --I
30’
_-~34
_
I
- --
37
-.__--
(231
_ .,
44
25
-.--
--
..-
50
(28)
--.._-31
- -_.-
. -.-.-.-
39
_.--
---
-t-O
-0.5
56
.---
+o
-0.8
0.4
M5
0.6
M6
--*W7)
.-
1.6
40.2
2
*o-2
0.6
M8
0.6
Ml0
.-
--
. .
_.
2.5
----I
__
_
+o
-0.8
+o
--0.8
+0
-0.8
3-O
-0.8
+a
---!.a
- --._..--
-
_
+o
-0.5
,28
j
--
44
70.3
__+j
- 0.4
t-0
-0.4
17
10.5
To1
+o
-0.4
14
8.4
i&n
i&n
.- --
-
+=0*3
I---
Ml2
--
-.-
__.---.43
--WI
--“A
--
--”
_
5Q
-.--
---.-
@*I
--..A
---
-, ,
-
---
--
58
--
--
w
65
(cw!!)
Ncm-Sk
in brackets are of second prc&cncc.
*&a IS : 919 - 1963 GRecommendations for limits and fits for en&dg
8
( ww
) *.
93
160
WV
165
104
175
VW
180
-
-.I-.
--.._
185
114
--,-
(119)
200
(124)
210
_._.--
129
220
WV
230
a
-144
240
-
(!55)
--
250
-
Mm
.-
- Sizes in hnwketu are of second preference.
*&w IS : 919 - 1963 ‘ Rceommendatiws for hita
and fiti for engineering ( raked ) ‘,
_
r
I
!
t;
^
NOTE -Sizes
I
I
1;
8
in brackets are of second preference.
.,“Lm
10
I
ISr2016-1967
TABLE
3 IMMFiNSIONS FOX PUNCZHED %MS?IERS, TYPE BP
FOR ‘ROUND AND f.HEESE HEAD SCREWS
( Cl .uw 4.1 and 4.2 )
All di nensions in millimetres.
‘;‘;’
4.5
3.4
2:;
-...-.
‘z;’
(i0)
--!
..---
(g-5)
{:!ti+5)
..- -_1.0
1.6
1.6
i.:
I
.._~-I
I
I
.._--
‘g:;)
:1&S
;:;
0.8
9.5
I
;:
-.-
7.0
8.0
9.0
..L----..-
Ii.5
6.6
(F.6)
.9
“1;’
(2v
.,o
“1.
0.5
0.5
0.5
ii
24
i;:
._,._-...-----.....----- 33
-.
bia
1.6
2
2.5
14
.-.
ih415
M6
(M7)
..--MI0
Ml2
----
‘I
3.15
2.5
1
3.15.
I---’ ,_..._ ---...-.3.15
!
~___
1~
‘g’I
(F&18)
M20
-.
-.
AlWEN.DlWBJT
N8,2
TQ
( Fkst
MARCH
Reokion
1979
)
Altekiitiotis
[ Page 4, &use 4.2 (see also Amendment
following for the existing clause:
No. 1 ) -
Substitute
the
‘4.2 The other dimensional requirements for punched washers covered
in Tables 2 and 3 shall comply lvith those specified for ordinary washers
according to IS : 5369-1975*.’
( Page 4, foot-note with ‘ * ’ mark ) - Substitute the following
existing foot-note:
‘*General requirenlents for plain washers and Jock w&hers (JirJf rco20n ).’
clausA Page 5, clauses6 and.6.J ) 5:
Substitute the following
for the
for the existing
‘6. CXNERAI;
PLEQUI&EMENTS
6,l In respect of requirements not covered in this standard, machined and
punched washers ‘shall comply wih requirements specified: for precision
and ordinary washers, respectively, according to IS : 5369-1!375*,’
Addendram
( Page 5, j%ot-note ) - Add the following new foot-note zatthe end:
‘*General reqlrirements for plain washers and lock washers (Jrsl r&:ion ).’
IEDC 27 )
Printedat Simco Printir.g Press,Delhi
AMENDMENT
NO. 3
NOVEMBER
1980
TO
IS:2016-1967
SPECIFICATIONFOR PLAIN MASHERS
(First
Revisionl
Alterations
-----(Page 6, Tabi!e 1, figure)
for the existing figure:
(Page 10, Table 2, figure)
for the existing figure:
1
- Substitute
- Substitute
the following
the following
Addendun
-- -(Page 4, oZuwe~.~-4.2) - Add the followiw
after 4.2:
new c&mse
"4.3 .Ma&ined and punched washers shall conform to the
concentricity
tolerance, permissible deviations for
parallelism and flatness as specified in 16:5369-1975
'General requirements for plain washers and -Lock washers
(first
Z’f&8iO?Z)
’ .”
AMENDMENT
NO. 4
OCTOBER
1982
TO
IS:2016-1967
SPECIFICATIOMFOR PLAIN WASHERS
Alterations
-----[Page 4, ohuse
Substitute
4.2 (see aikc Amendment No. 2)] -
the following
for the existing
clause?
"4,2 The tolerance on inner diameter, d outer
diameter, D and thickness 8 for machined and punched
washers shall conform to precision and ordinary
washers respectively
as specified Pn Is:5369-1975
"General Requirements for Plain Washers and IQ&
W&hers'."
fkge
Substitute
4, eZaasse 4.3 (se& abo Amendment No. 3)] the fo'orlowirsg for the existing clause:
'4.3 In respect 0P' concentricity
tolerance, permissible
deviations for paralleU.sm and flatness, the machined
and punched washers shall conform to precision and
ordI.nary washers respectively
as specified in
x3:5369-1975.'
hinted
at Simco hinting
--Press, Delhi