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JIS B1173 |
Unit : mm |
|
|
| DiameterM8 |
d3 |
S |
t |
L |
| Tolerance |
Basic |
Tolerance |
Class1 |
Class2 |
Class3 |
Basic |
| Basic |
Tolerance |
Basic |
Basic |
Tolerance |
20-30
32-50
55-80
90-120
140-150 |
| M8 |
0
-0.15 |
18 |
+1.9
0 |
|
+1.1
0 |
11 |
16 |
+1
0 |
Tolerance |
| M10 |
20 |
+2.2
0 |
12 |
15 |
20 |
+1.3
0 |
| M12 |
0
-0.18 |
22 |
+2.6
0 |
15 |
18 |
24 |
±0.42
±0.5
±0.6
±0.7
±0.8 |
| (M14) |
25 |
+3
0 |
18 |
21 |
28 |
| M16 |
28 |
20 |
+1.3
0 |
24 |
32 |
+1.6
0 |
| (M18) |
30 |
22 |
27 |
36 |
| M20 |
0
-0.21 |
32 |
+5
0 |
25 |
30 |
40 |
|
|
| Nominal
Size or Diameter of Stud D |
Tolerances
on Stud Lengths-in. |
| L
Equal to 6 in. and Under |
L
Over 6 in. |
|
No.
|
8 to 5/16 in. incl. |
|
| |
|
Over 5/16 in. to 3/4 in.
Over 3/4 in. to 1-1/4 in.
Over 1-1/4 in. |
|
|
±1/32
±1/16
±1/8
±1/4 |
±1/16
±1/8
±3/16
±1/4 |
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