DIN 981
DIN 981 – Slotted Round Shaft Nuts . also know as Slotted round lock nuts .
Dimension of DIN 981 as follows:
 |
|
Thread Size D×P |
dk |
d1 |
m |
n |
t |
C |
C1 |
||
|
max |
min |
max |
min |
||||||
|
M10×1 |
22 |
16 |
8 |
4.3 |
4 |
2.6 |
2 |
0.5 |
0.5 |
|
M12×1.25 |
25 |
19 |
8 |
4.3 |
4 |
2.6 |
2 |
0.5 |
0.5 |
|
M14×1.5 |
28 |
20 |
8 |
4.3 |
5 |
2.6 |
2 |
0.5 |
0.5 |
|
M16×1.5 |
30 |
22 |
8 |
5.3 |
5 |
3.1 |
2.5 |
0.5 |
0.5 |
|
M18×1.5 |
32 |
24 |
8 |
5.3 |
5 |
3.1 |
2.5 |
0.5 |
0.5 |
|
M20×1.5 |
35 |
27 |
8 |
5.3 |
5 |
3.1 |
2.5 |
0.5 |
0.5 |
|
M22×1.5 |
38 |
30 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
|
M24×1.5 |
42 |
34 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
|
M25×1.51 |
42 |
34 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
|
M27×1.5 |
45 |
37 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
|
M30×1.5 |
48 |
40 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
|
M33×1.5 |
52 |
43 |
10 |
6.3 |
6 |
3.6 |
3 |
1 |
0.5 |
|
M35×1.51 |
52 |
43 |
10 |
6.3 |
6 |
3.6 |
3 |
1 |
0.5 |
|
M36×1.5 |
55 |
46 |
10 |
6.3 |
6 |
3.6 |
3 |
1 |
0.5 |
|
M39×1.5 |
58 |
49 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
|
M40×1.51 |
58 |
49 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
|
M42×1.5 |
62 |
53 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
|
M45×1.5 |
68 |
59 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
|
M48×1.5 |
72 |
61 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
|
M50×1.51 |
72 |
61 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
|
M52×1.5 |
78 |
67 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
|
M55×2 |
78 |
67 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
|
M56×2 |
85 |
74 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
|
M60×2 |
90 |
79 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
|
M64×2 |
95 |
84 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
|
M65×21 |
95 |
84 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
|
M68×2 |
100 |
88 |
12 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
|
M72×2 |
105 |
93 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
|
M75×21 |
105 |
93 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
|
M76×2 |
110 |
98 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
|
M80×2 |
115 |
103 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
|
M85×2 |
120 |
108 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
|
M90×2 |
125 |
112 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
|
M95×2 |
130 |
117 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
|
M100×2 |
135 |
122 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
|
M105×2 |
140 |
127 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
|
M110×2 |
150 |
135 |
18 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
|
M115×2 |
155 |
140 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
|
M120×2 |
160 |
145 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
|
M125×2 |
165 |
150 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
|
M130×2 |
170 |
155 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
|
M140×2 |
180 |
165 |
26 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
|
M150×2 |
200 |
180 |
26 |
16.43 |
16 |
7.9 |
7 |
1.5 |
1 |
|
M160×3 |
210 |
190 |
26 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
|
M170×3 |
220 |
200 |
26 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
|
M180×3 |
230 |
210 |
30 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
|
M190×3 |
240 |
220 |
30 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
|
M200×3 |
250 |
230 |
30 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
* All size in mm ;
* Shaft Nuts / Round Lock Nuts specification ;