Metric Thread Limits
NOMINAL SIZE mm |
PITCH mm |
MAJOR DIAMETER INCHES |
D-3, D-4, D-5, D-6 STANDARD PITCH DIAMETER LIMITS INCHES |
BASIC |
MIN. |
MAX. |
Basic Pitch Diameter |
D-3 Limits |
D-4 LIMITS |
D-5 LIMITS |
D-6 LIMITS |
MIN. |
MAX. |
MIN. |
MAX. |
MIN. |
MAX. |
MIN. |
MAX. |
1.6 |
0.35 |
0.062992 |
0.0641 |
0.0651 |
0.054042 |
0.055 |
0.0556 |
|
|
|
|
|
|
2 |
0.4 |
0.07874 |
0.0801 |
0.0811 |
0.068511 |
0.0695 |
0.0701 |
|
|
|
|
|
|
2.5 |
0.45 |
0.098425 |
0.0999 |
0.1009 |
0.086918 |
0.0879 |
0.0885 |
|
|
|
|
|
|
3 |
0.5 |
0.11811 |
0.1198 |
0.1208 |
0.105324 |
0.1063 |
0.1069 |
|
|
|
|
|
|
3.5 |
0.6 |
0.137795 |
0.1397 |
0.1407 |
0.122452 |
|
|
0.1237 |
0.1245 |
|
|
|
|
4 |
0.7 |
0.15748 |
0.1597 |
0.1613 |
0.13958 |
|
|
0.1408 |
0.1416 |
|
|
|
|
5 |
0.8 |
0.19685 |
0.1994 |
0.201 |
0.176393 |
|
|
0.1776 |
0.1784 |
|
|
|
|
6 |
1 |
0.23622 |
0.2395 |
0.2411 |
0.210648 |
|
|
|
|
0.2122 |
0.2132 |
|
|
8 |
1.25 |
0.31496 |
0.3189 |
0.3214 |
0.282995 |
|
|
|
|
0.2843 |
0.2855 |
|
|
10 |
1.5 |
0.3937 |
0.3985 |
0.401 |
0.355343 |
|
|
|
|
|
|
0.3572 |
0.3584 |
12 |
1.75 |
0.47244 |
0.478 |
0.4805 |
0.42769 |
|
|
|
|
|
|
0.4295 |
0.4307 |
NOMINAL SIZE mm |
PITCH mm |
MAJOR DIAMETER INCHES |
D-7, D-8, D-9 STANDARD PITCH DIAMETER LIMITS INCHES |
BASIC |
MIN. |
MAX. |
Basic Pitch Diameter |
D-7 LIMITS |
D-8 LIMITS |
D-9 LIMITS |
MIN. |
MAX. |
MIN. |
MAX. |
MIN. |
MAX. |
14 |
2 |
0.55118 |
0.5575 |
0.56 |
0.500037 |
0.502 |
0.5036 |
|
|
|
|
16 |
2 |
0.62992 |
0.6363 |
0.6388 |
0.578777 |
0.5807 |
0.5823 |
|
|
|
|
20 |
2.5 |
0.7874 |
0.7954 |
0.7979 |
0.723471 |
0.7254 |
0.727 |
|
|
|
|
24 |
3 |
0.94488 |
0.9544 |
0.9583 |
0.868165 |
|
|
0.8706 |
0.8722 |
|
|
30 |
3.5 |
1.1811 |
1.1922 |
1.1961 |
1.091599 |
|
|
|
|
1.0942 |
1.0962 |
36 |
4 |
1.41732 |
1.43 |
1.4339 |
1.315034 |
|
|
|
|
1.3176 |
1.3196 |
*Examples to show location of size designation.