IS 2016 Plain Washers

Dimensions for Machined Washers

IS 2016 Plain Washers

'
Size d H12 D s e Nom For Bolt or Screw size
Basic Tol Basic Tol
1.7 4 +0
-0.3
0.3 ±0.1 0.1 M 1.6
(2) 5 +0
-0.3
0.3 ±0.1 0.1 (M 1.8)
2.2 5 +0
-0.3
0.3 ±0.1 0.1 M 2
(2.4) 6 +0
-0.3
0.5 ±0.1 0.2 (M 2.2)
2.7 6.5 +0
-0.3
0.5 ±0.1 0.2 M 2.5
3.2 7 +0
-0.3
0.5 ±0.1 0.2 M 3
(3.7) 8 +0
-0.3
0.8 ±0.1 0.3 (M 3.5)
4.3 9 +0
-0.3
0.8 ±0.1 0.3 M 4
(4.8) 10 +0
-0.3
1.0 ±0.1 0.4 (M 4.5)
5.3 10 +0
-0.3
1.0 ±0.1 0.4 M 5
6.4 12.5 +0
-0.4
1.6 ±0.2 0.6 M 6
(7.4) 14 +0
-0.4
1.6 ±0.2 0.6 (M 7)
8.4 17 +0
-0.4
1.6 ±0.2 0.6 M 8
10.5 21 +0
-0.5
2 ±0.2 0.6 M 10
13 24 +0
-0.5
2.5 ±0.3 0.6 M 12
(15) 28 +0
-0.5
2.5 ±0.3 0.6 (M 14)
17 30 +0
-0.5
3 ±0.3 0.6 M 16
(19) 34 +0
-0.8
3 ±0.3 1.0 (M 18)
21 37 +0
-0.8
3 ±0.3 1.0 M 20
(23) 39 +0
-0.8
3 ±0.3 1.0 M 22
25 44 +0
-0.8
4 ±0.3 1.0 M 24
(28) 50 +0
-0.8
4 ±0.3 1.0 (M 27)
31 56 +0
-1.0
4 ±0.3 1.0 M 30
(34) 60 +0
-1.0
5 ±0.6 1.0 (M 33)
37 66 +0
-1.0
5 ±0.6 1.6 M 36
(40) 72 +0
-1.0
6 ±0.6 1.6 (M 39)
43 78 +0
-1.0
7 ±1.0 1.6 M 42
(46) 85 +0
-1.5
7 ±1.0 1.6 (M 45)
50 92 +0
-1.5
8 ±1.0 1.6 M 48
(54) 98 +0
-1.5
8 ±1.0 1.6 (M 52)
58 105 +0
-1.5
9 ±1.0 1.6 M 56
(62) 110 +0
-1.5
9 ±1.0 2.0 (M 60)
66 115 +0
-1.5
9 ±1.0 2.0 M 64
(70) 120 +0
-1.5
10 ±1.0 2.0 (M 68)
74 125 +0
-1.8
10 ±1.0 2.0 M 72
(78) 133 +0
-1.8
10 ±1.0 2.5 (M 76)
82 140 +0
-1.8
12 ±1.2 2.5 M 80
(87) 145 +0
-1.8
12 ±1.2 2.5 (M 85)
93 160 +0
-1.8
12 ±1.2 3.0 M 90
(98) 165 +0
-1.8
12 ±1.2 3.0 (M 95)
104 173 +0
-1.8
14 ±1.2 3.0 M 100
(109) 180 +0
-1.8
14 ±1.2 3.0 (M 105)
114 185 +0
-2
14 ±1.2 3.0 M 110
(119) 200 +0
-2
14 ±1.2 3.0 (M 115)
(124) 210 +0
-2
16 ±1.2 3.0 (M 120)
129 220 +0
-2
16 ±1.2 3.0 M 125
(134) 230 +0
-2
16 ±1.2 3.0 (MM 130)
144 240 +0
-2
18 ±1.2 4.0 M 140
(155) 250 +0
-2
18 ±1.2 4.0 (M 150)

Dimensions for Punched Washers, Type A, for Hexagonal Bolts and Screws

IS 2016 Punched Washers

Size d D Nom S Nom For Bolt or Screw size
1.8 4 0.4 M 1.6
(2.1) 5 0.4 (M 1.8)
2.4 5 0.4 M 2
(2.6) 6 0.5 (M 2.2)
2.9 6.5 0.5 M 2.5
3.4 7 0.5 M 3
(4.2) 8 0.8 (M 3.5)
4.5 9 0.8 M 4
(5.0) 10 1 (M 4.5)
5.5 10 1 M 5
6.6 12.5 1.6 M 6
(7.6) 14 1.6 (M 7)
9 17 1.6 M 8
11 21 2 M 10
14 24 2.5 M 12
(16) 28 2.5 (M 14)
18 30 3.15 M 16
(20) 31 3.15 (M 18)
22 37 3.15 M 20
(24) 39 3.15 (M 22)
26 44 4 M 24
(30) 50 4 (M 27)
33 56 4 M 30
(36) 60 5 (M 33)
39 66 5 M 36
(42) 72 6 (M 39)
45 78 6 M 42
(48) 85 8 (M 45)
52 92 8 M 48

Dimensions for Punched Washers, Type B, for Round and Cheese head screws

IS 2016 Punched Washers

Size d D Nom S Nom For Bolt or Screw size
1.8 3.5 0.4 M 1.6
(2.1) 3.5 0.4 (M 1.8)
2.4 4.5 0.4 M 2
(2.6) 4.5 0.5 (M 2.2)
2.9 5.0 0.5 M 2.5
3.4 6.0 0.5 M 3
(4.2) 7.0 0.5 (M 3.5)
4.5 8.0 0.8 M 4
(5.0) 9.0 0.8 (M 4.5)
5.5 9.5 1.0 M 5
6.6 11 1.6 M 6
(7.6) 13 1.6 (M 7)
9 14 1.6 M 8
11 18 2 M 10
14 20 2.5 M 12
(16) 24 2.5 (M 14)
18 27 3.15 M 16
(20) 30 3.15 (M 18)
22 33 3.15 M 20

Note :
All dimensions in millimetres.
Sizes in brackets are of second preferences.