ACME Thread General Purpose Size Chart
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1. What is ASME/ANSI B1.5 for bolts?
he ANSI/ASME B1.5 ACME Screw Threads Standard provides
- General Purpose ACME, and
- Centralizing ACME
Centralizing Acme threads have limited clearance at the major workpiece diameters of both the internal and external threads and are widely used extensively for feeding screws. screw rod， Restricted clearance enables a bearing at the major diameter of the thread to preserve alignment of the threading axis preventing part sagging.
2. What is Types of Acme Threads
Acme screw threads fall into three categories, summarized in the table below
| Type | Specifications |
|---|---|
| General Purpose (G) | Most commonly used Acme threads with minimal backlash in 3D and 4G class. |
| Centralizing (C) | Compararively more accurate and have less backlash due to tight clearance. |
| Stub Acme | Compact threads with a 43% shorter stub height than standard Acme |
3. What is external ACME Thread General Purpose Size Chart
The following chart size defines indusctry standard sizes for External ACME General Purpose Threads
per American National Standard ASME/ANSI B1.5
| Major Dia. | Pitch Dia. | Minor Dia. | |||||||
| Designation | Size Decimal | TPI | Tol. Class | Max | Min | Max | Min | Max | Min |
| 3/8-12 Acme | 0.375 | 12 | 2G | 0.375 | 0.37 | 0.3284 | 0.3161 | 0.2817 | 0.2632 |
| 1/2-10 Acme | 0.5 | 10 | 2G | 0.5 | 0.495 | 0.4443 | 0.4306 | 0.38 | 0.3594 |
| 5/8- 4 Acme | 0.625 | 4 | 2G STUB | 0.625 | 0.619 | 0.5421 | 0.524 | 0.455 | 0.4327 |
| 5/8-6 Acme | 0.625 | 6 | 2G | 0.625 | 0.6167 | 0.5348 | 0.5174 | 0.4383 | 0.4128 |
| 5/8-8 Acme | 0.625 | 8 | 2G | 0.625 | 0.6188 | 0.5562 | 0.5408 | 0.48 | 0.457 |
| 5/8- 10 Acme | 0.625 | 10 | 2G | 0.625 | 0.62 | 0.5693 | 0.5556 | 0.505 | 0.4844 |
| 3/4-5 Acme | 0.75 | 5 | 2G | 0.75 | 0.74 | 0.642 | 0.6226 | 0.53 | 0.5009 |
| 3/4-6 Acme | 0.75 | 6 | 2G | 0.75 | 0.7417 | 0.6598 | 0.6424 | 0.5633 | 0.5371 |
| 3/4-8 Acme | 0.75 | 8 | 2G | 0.75 | 0.7438 | 0.6812 | 0.6658 | 0.605 | 0.582 |
| 3/4-10 Acme | 0.75 | 10 | 2G | 0.75 | 0.745 | 0.6931 | 0.6784 | 0.63 | 0.608 |
| 7/8-5 Acme | 0.875 | 5 | 2G | 0.875 | 0.865 | 0.767 | 0.7476 | 0.655 | 0.6259 |
| 7/8-6 Acme | 0.875 | 6 | 2G | 0.875 | 0.8667 | 0.7842 | 0.7663 | 0.6883 | 0.6615 |
| 7/8-8 Acme | 0.875 | 7 | 2G | 0.875 | 0.8688 | 0.8062 | 0.7908 | 0.73 | 0.707 |
| 1-4 Acme | 0.875 | 4 | 2G | 1 | 0.9875 | 0.8652 | 0.8429 | 0.73 | 0.6965 |
| 1-5 Acme | 1 | 5 | 2G | 1 | 0.99 | 0.892 | 0.8726 | 0.78 | 0.7509 |
| 1-6 Acme | 1 | 6 | 2G | 1 | 0.9917 | 0.9098 | 0.8929 | 0.8133 | 0.7871 |
| 1-8 Acme | 1 | 8 | 2G | 1 | 0.9938 | 0.9312 | 0.9158 | 0.855 | 0.832 |
| 1-10Acme | 1 | 10 | 2G | 1 | 0.995 | 0.942 | 0.9264 | 0.88 | 0.8568 |
| 1 1/8-4 Acme | 1.125 | 4 | 2G | 1.125 | 1.1125 | 0.9902 | 0.9679 | 0.855 | 0.8219 |
| 1 1/8-5 Acme | 1.125 | 5 | 2G | 1.125 | 1.115 | 1.0165 | 0.9967 | 0.905 | 0.8753 |
| 1 1/8-6 Acme | 1.125 | 6 | 2G | 1.125 | 1.1167 | 1.0312 | 1.0163 | 0.9383 | 0.9115 |
| 1 1/4-4 Acme | 1.25 | 4 | 2G | 1.25 | 1.2375 | 1.1152 | 1.0929 | 0.98 | 0.9465 |
| 1 1/4-5 Acme | 1.25 | 5 | 2G | 1.25 | 1.24 | 1.1411 | 1.121 | 1.03 | 0.9998 |
| 1 1/4-6 Acme | 1.25 | 6 | 2G | 1.25 | 1.2417 | 1.1598 | 1.1424 | 1.0633 | 1.0371 |
| 1 1/4-8 Acme | 1.25 | 8 | 2G | 1.25 | 1.2437 | 1.1786 | 1.1612 | 1.105 | 1.079 |
| 1 3/8-4 Acme | 1.375 | 4 | 2G | 1.375 | 1.3625 | 1.2406 | 1.2186 | 1.105 | 1.0719 |
| 1 3/8-5 Acme | 1.375 | 5 | 2G | 1.375 | 1.365 | 1.2661 | 1.2461 | 1.155 | 1.124 |
| 1 3/8-6 Acme | 1.375 | 6 | 2G | 1.375 | 1.3667 | 1.2848 | 1.2674 | 1.1883 | 1.1621 |
| 1 1/2-4 Acme | 1.5 | 4 | 2G | 1.5 | 1.4875 | 1.3652 | 1.3429 | 1.23 | 1.1965 |
| 1 1/2-5 Acme | 1.5 | 5 | 2G | 1.5 | 1.49 | 1.392 | 1.3726 | 1.28 | 1.2209 |
| 1 1/2-6Acme | 1.5 | 6 | 2G | 1.5 | 1.4834 | 1.4098 | 1.3924 | 1.3133 | 1.2871 |
| 1 3/4-4 Acme | 1.75 | 4 | 2G | 1.75 | 1.7375 | 1.6145 | 1.5916 | 1.48 | 1.4456 |
| 1 3/4-5 Acme | 1.75 | 5 | 2G | 1.75 | 1.74 | 1.642 | 1.6226 | 1.53 | 1.5009 |
| 1 3/4-6 Acme | 1.75 | 6 | 2G | 1.75 | 1.7417 | 1.6561 | 1.6359 | 1.5633 | 1.5331 |
| 2-4 Acme | 2 | 4 | 2G | 2 | 1.9875 | 1.8637 | 1.8402 | 1.73 | 1.6948 |
| 2 1/4 - 4 Acme | 2.25 | 4 | 2G | 2.25 | 2.2375 | 2.1137 | 2.0902 | 1.98 | 1.9448 |
| 2 1/2 -4 Acme | 2.5 | 4 | 2G | 2.5 | 2.4875 | 2.3637 | 2.3402 | 2.23 | 2.1948 |
4. What is Internal ACME Thread General Purpose Size Chart?
The following table defines recommended industry standard sizes for Internal ACME Threads per American National Standard ASME/ANSI B1.5.
All dimensional data is given in INCH.
|
Designation
|
Size Decimal
|
TPI
|
Tol. Class
|
Minor Dia.
|
Pitch Dia.
|
Major Dia.
|
Tap Drill
|
|||
|
Min.
|
Max.
|
Min.
|
Max.
|
Min.
|
Max.
|
|||||
|
1/4-16 ACME
|
0.25
|
16
|
2G
|
0.1875
|
0.1925
|
0.2188
|
0.2293
|
0.2600
|
0.2700
|
0.1875
|
|
1/4-16 ACME
|
0.25
|
16
|
3G
|
0.1875
|
0.1925
|
0.2188
|
0.2237
|
0.2600
|
0.2700
|
0.1875
|
|
1/4-16 ACME
|
0.25
|
16
|
4G
|
0.1875
|
0.1925
|
0.2188
|
0.2223
|
0.2600
|
0.2700
|
0.1875
|
|
1/4-16 ACME
|
0.25
|
16
|
5G
|
0.1875
|
0.1925
|
0.2188
|
0.2216
|
0.2600
|
0.2700
|
0.1875
|
|
5/16-14 ACME
|
0.3125
|
14
|
2G
|
0.2411
|
0.2461
|
0.2768
|
0.2882
|
0.3225
|
0.3325
|
0.2411
|
|
5/16-14 ACME
|
0.3125
|
14
|
3G
|
0.2411
|
0.2461
|
0.2768
|
0.2821
|
0.3225
|
0.3325
|
0.2411
|
|
5/16-14 ACME
|
0.3125
|
14
|
4G
|
0.2411
|
0.2461
|
0.2768
|
0.2806
|
0.3225
|
0.3325
|
0.2411
|
|
5/16-14 ACME
|
0.3125
|
14
|
5G
|
0.2411
|
0.2461
|
0.2768
|
0.2798
|
0.3225
|
0.3325
|
0.2411
|
|
3/8-12 ACME
|
0.375
|
12
|
2G
|
0.2917
|
0.2967
|
0.3333
|
0.3456
|
0.3850
|
0.3950
|
0.2917
|
|
3/8-12 ACME
|
0.375
|
12
|
3G
|
0.2917
|
0.2967
|
0.3333
|
0.3391
|
0.3850
|
0.3950
|
0.2917
|
|
3/8-12 ACME
|
0.375
|
12
|
4G
|
0.2917
|
0.2967
|
0.3333
|
0.3374
|
0.3850
|
0.3950
|
0.2917
|
|
3/8-12 ACME
|
0.375
|
12
|
5G
|
0.2917
|
0.2967
|
0.3333
|
0.3366
|
0.3850
|
0.3950
|
0.2917
|
|
7/16-12 ACME
|
0.4375
|
12
|
2G
|
0.3542
|
0.3592
|
0.3958
|
0.4084
|
0.4475
|
0.4575
|
0.3542
|
|
7/16-12 ACME
|
0.4375
|
12
|
3G
|
0.3542
|
0.3592
|
0.3958
|
0.4017
|
0.4475
|
0.4575
|
0.3542
|
|
7/16-12 ACME
|
0.4375
|
12
|
4G
|
0.3542
|
0.3592
|
0.3958
|
0.4000
|
0.4475
|
0.4575
|
0.3542
|
|
7/16-12 ACME
|
0.4375
|
12
|
5G
|
0.3542
|
0.3592
|
0.3958
|
0.3992
|
0.4475
|
0.4575
|
0.3542
|
|
1/2-10 ACME
|
0.5
|
10
|
2G
|
0.4000
|
0.4050
|
0.4500
|
0.4637
|
0.52
|
0.5400
|
0.4000
|
|
1/2-10 ACME
|
0.5
|
10
|
3G
|
0.4000
|
0.4050
|
0.4500
|
0.4564
|
0.52
|
0.5400
|
0.4000
|
|
1/2-10 ACME
|
0.5
|
10
|
4G
|
0.4000
|
0.4050
|
0.4500
|
0.4546
|
0.52
|
0.5400
|
0.4000
|
|
1/2-10 ACME
|
0.5
|
10
|
5G
|
0.4000
|
0.4050
|
0.4500
|
0.4537
|
0.52
|
0.5400
|
0.4000
|
|
5/8-8 ACME
|
0.625
|
8
|
2G
|
0.5000
|
0.5062
|
0.5625
|
0.5779
|
0.645
|
0.6650
|
0.5000
|
|
5/8-8 ACME
|
0.625
|
8
|
3G
|
0.5000
|
0.5062
|
0.5625
|
0.5697
|
0.645
|
0.6650
|
0.5000
|
|
5/8-8 ACME
|
0.625
|
8
|
4G
|
0.5000
|
0.5062
|
0.5625
|
0.5676
|
0.645
|
0.6650
|
0.5000
|
|
5/8-8 ACME
|
0.625
|
8
|
5G
|
0.5000
|
0.5062
|
0.5625
|
0.5666
|
0.645
|
0.6650
|
0.5000
|
|
3/4-6 ACME
|
0.75
|
6
|
2G
|
0.5833
|
0.5916
|
0.6667
|
0.6841
|
0.77
|
0.7900
|
0.5833
|
|
3/4-6 ACME
|
0.75
|
6
|
3G
|
0.5833
|
0.5916
|
0.6667
|
0.6748
|
0.77
|
0.7900
|
0.5833
|
|
3/4-6 ACME
|
0.75
|
6
|
4G
|
0.5833
|
0.5916
|
0.6667
|
0.6725
|
0.77
|
0.7900
|
0.5833
|
|
3/4-6 ACME
|
0.75
|
6
|
5G
|
0.5833
|
0.5916
|
0.6667
|
0.6714
|
0.77
|
0.7900
|
0.5833
|
|
7/8-6 ACME
|
0.875
|
6
|
2G
|
0.7083
|
0.7166
|
0.7917
|
0.8096
|
0.895
|
0.9150
|
0.7083
|
|
7/8-6 ACME
|
0.875
|
6
|
3G
|
0.7083
|
0.7166
|
0.7917
|
0.8000
|
0.895
|
0.9150
|
0.7083
|
|
7/8-6 ACME
|
0.875
|
6
|
4G
|
0.7083
|
0.7166
|
0.7917
|
0.7977
|
0.895
|
0.9150
|
0.7083
|
|
7/8-6 ACME
|
0.875
|
6
|
5G
|
0.7083
|
0.7166
|
0.7917
|
0.7965
|
0.895
|
0.9150
|
0.7083
|
|
1-5 ACME
|
1
|
5
|
2G
|
0.8000
|
0.8100
|
0.9000
|
0.9194
|
1.02
|
1.0400
|
0.8000
|
|
1-5 ACME
|
1
|
5
|
3G
|
0.8000
|
0.8100
|
0.9000
|
0.9091
|
1.02
|
1.0400
|
0.8000
|
|
1-5 ACME
|
1
|
5
|
4G
|
0.8000
|
0.8100
|
0.9000
|
0.9065
|
1.02
|
1.0400
|
0.8000
|
|
1-5 ACME
|
1
|
5
|
5G
|
0.8000
|
0.8100
|
0.9000
|
0.9052
|
1.02
|
1.0400
|
0.8000
|
|
1 1/8-5 ACME
|
1.125
|
5
|
2G
|
0.9250
|
0.9350
|
1.0250
|
1.0448
|
1.145
|
1.165
|
0.9250
|
|
1 1/8-5 ACME
|
1.125
|
5
|
3G
|
0.9250
|
0.9350
|
1.0250
|
1.0342
|
1.145
|
1.165
|
0.9250
|
|
1 1/8-5 ACME
|
1.125
|
5
|
4G
|
0.9250
|
0.9350
|
1.0250
|
1.0316
|
1.145
|
1.165
|
0.9250
|
|
1 1/8-5 ACME
|
1.125
|
5
|
5G
|
0.9250
|
0.9350
|
1.0250
|
1.0303
|
1.145
|
1.165
|
0.9250
|
|
1 1/4-5 ACME
|
1.25
|
5
|
2G
|
1.0500
|
1.0600
|
1.1500
|
1.1701
|
1.27
|
1.29
|
1.0500
|
|
1 1/4-5 ACME
|
1.25
|
5
|
3G
|
1.0500
|
1.0600
|
1.1500
|
1.1594
|
1.27
|
1.29
|
1.0500
|
|
1 1/4-5 ACME
|
1.25
|
5
|
4G
|
1.0500
|
1.0600
|
1.1500
|
1.1567
|
1.27
|
1.29
|
1.0500
|
|
1 1/4-5 ACME
|
1.25
|
4
|
5G
|
1.0500
|
1.0600
|
1.1500
|
1.1554
|
1.27
|
1.29
|
1.0500
|
|
1 3/8-4 ACME
|
1.375
|
4
|
2G
|
1.1250
|
1.1375
|
1.2500
|
1.2720
|
1.395
|
1.415
|
1.1250
|
|
1 3/8-4 ACME
|
1.375
|
4
|
3G
|
1.1250
|
1.1375
|
1.2500
|
1.2603
|
1.395
|
1.415
|
1.1250
|
|
1 3/8-4 ACME
|
1.375
|
4
|
4G
|
1.1250
|
1.1375
|
1.2500
|
1.2573
|
1.395
|
1.415
|
1.1250
|
|
1 3/8-4 ACME
|
1.375
|
4
|
5G
|
1.1250
|
1.1375
|
1.2500
|
1.2559
|
1.395
|
1.415
|
1.1250
|
|
1 1/2-4 ACME
|
1.5
|
4
|
2G
|
1.2500
|
1.2625
|
1.3750
|
1.3973
|
1.52
|
1.54
|
1.2500
|
|
1 1/2-4 ACME
|
1.5
|
4
|
3G
|
1.2500
|
1.2625
|
1.3750
|
1.3854
|
1.52
|
1.54
|
1.2500
|
|
1 1/2-4 ACME
|
1.5
|
4
|
4G
|
1.2500
|
1.2625
|
1.3750
|
1.3824
|
1.52
|
1.54
|
1.2500
|
|
1 1/2-4 ACME
|
1.5
|
4
|
5G
|
1.2500
|
1.2625
|
1.3750
|
1.3810
|
1.52
|
1.54
|
1.2500
|
|
1 3/4-4 ACME
|
1.75
|
4
|
2G
|
1.5000
|
1.5125
|
1.6250
|
1.6479
|
1.77
|
1.79
|
1.5000
|
|
1 3/4-4 ACME
|
1.75
|
4
|
3G
|
1.5000
|
1.5125
|
1.6250
|
1.6357
|
1.77
|
1.79
|
1.5000
|
|
1 3/4-4 ACME
|
1.75
|
4
|
4G
|
1.5000
|
1.5125
|
1.6250
|
1.6326
|
1.77
|
1.79
|
1.5000
|
|
1 3/4-4 ACME
|
1.75
|
4
|
5G
|
1.5000
|
1.5125
|
1.6250
|
1.6311
|
1.77
|
1.79
|
1.5000
|
|
2-4 ACME
|
2
|
4
|
2G
|
1.7500
|
1.7625
|
1.8750
|
1.8985
|
2.02
|
2.04
|
1.7500
|
|
2-4 ACME
|
2
|
4
|
3G
|
1.7500
|
1.7625
|
1.8750
|
1.8860
|
2.02
|
2.04
|
1.7500
|
|
2-4 ACME
|
2
|
4
|
4G
|
1.7500
|
1.7625
|
1.8750
|
1.8828
|
2.02
|
2.04
|
1.7500
|
|
2-4 ACME
|
2
|
4
|
5G
|
1.7500
|
1.7625
|
1.8750
|
1.8813
|
2.02
|
2.04
|
1.7500
|
|
2 1/4-3 ACME
|
2.25
|
3
|
2G
|
1.9167
|
1.9334
|
2.0833
|
2.1096
|
2.27
|
2.29
|
1.9167
|
|
2 1/4-3 ACME
|
2.25
|
3
|
3G
|
1.9167
|
1.9334
|
2.0833
|
2.0956
|
2.27
|
2.29
|
1.9167
|
|
2 1/4-3 ACME
|
2.25
|
3
|
4G
|
1.9167
|
1.9334
|
2.0833
|
2.0921
|
2.27
|
2.29
|
1.9167
|
|
2 1/4-3 ACME
|
2.25
|
3
|
5G
|
1.9167
|
1.9334
|
2.0833
|
2.0903
|
2.27
|
2.29
|
1.9167
|
|
2 1/2-3 ACME
|
2.5
|
3
|
2G
|
2.1667
|
2.1834
|
2.3333
|
2.3601
|
2.52
|
2.54
|
2.1667
|
|
2 1/2-3 ACME
|
2.5
|
3
|
3G
|
2.1667
|
2.1834
|
2.3333
|
2.3458
|
2.52
|
2.54
|
2.1667
|
|
2 1/2-3 ACME
|
2.5
|
3
|
4G
|
2.1667
|
2.1834
|
2.3333
|
2.3422
|
2.52
|
2.54
|
2.1667
|
|
2 1/2-3 ACME
|
2.5
|
3
|
5G
|
2.1667
|
2.1834
|
2.3333
|
2.3404
|
2.52
|
2.54
|
2.1667
|
|
2 3/4-3 ACME
|
2.75
|
3
|
2G
|
2.4169
|
2.4334
|
2.5833
|
2.6106
|
2.77
|
2.79
|
2.4169
|
|
2 3/4-3 ACME
|
2.75
|
3
|
3G
|
2.4169
|
2.4334
|
2.5833
|
2.5960
|
2.77
|
2.79
|
2.4169
|
|
2 3/4-3 ACME
|
2.75
|
3
|
4G
|
2.4169
|
2.4334
|
2.5833
|
2.5924
|
2.77
|
2.79
|
2.4169
|
|
2 3/4-3 ACME
|
2.75
|
3
|
5G
|
2.4169
|
2.4334
|
2.5833
|
2.5906
|
2.77
|
2.79
|
2.4169
|
|
3-2 ACME
|
3
|
2
|
2G
|
2.5000
|
2.5250
|
2.7500
|
2.7816
|
3.02
|
3.04
|
2.5000
|
|
3-2 ACME
|
3
|
2
|
3G
|
2.5000
|
2.5250
|
2.7500
|
2.7647
|
3.02
|
3.04
|
2.5000
|
|
3-2 ACME
|
3
|
2
|
4G
|
2.5000
|
2.5250
|
2.7500
|
2.7605
|
3.02
|
3.04
|
2.5000
|
|
3-2 ACME
|
3
|
2
|
5G
|
2.5000
|
2.5250
|
2.7500
|
2.7584
|
3.02
|
3.04
|
2.5000
|
|
3 1/2-2 ACME
|
3.5
|
2
|
2G
|
3.0000
|
3.0250
|
3.2500
|
3.2824
|
3.52
|
3.54
|
3.0000
|
|
3 1/2-2 ACME
|
3.5
|
2
|
3G
|
3.0000
|
3.0250
|
3.2500
|
3.2651
|
3.52
|
3.54
|
3.0000
|
|
3 1/2-2 ACME
|
3.5
|
2
|
4G
|
3.0000
|
3.0250
|
3.2500
|
3.2608
|
3.52
|
3.54
|
3.0000
|
|
3 1/2-2 ACME
|
3.5
|
2
|
5G
|
3.0000
|
3.0250
|
3.2500
|
3.2587
|
3.52
|
3.54
|
3.0000
|
|
4-2 ACME
|
4
|
2
|
2G
|
3.5000
|
3.5250
|
3.7500
|
3.7832
|
4.02
|
4.04
|
3.5000
|
|
4-2 ACME
|
4
|
2
|
3G
|
3.5000
|
3.5250
|
3.7500
|
3.7655
|
4.02
|
4.04
|
3.5000
|
|
4-2 ACME
|
4
|
2
|
4G
|
3.5000
|
3.5250
|
3.7500
|
3.7611
|
4.02
|
4.04
|
3.5000
|
|
4-2 ACME
|
4
|
2
|
5G
|
3.5000
|
3.5250
|
3.7500
|
3.7589
|
4.02
|
4.04
|
3.5000
|
|
4 1/2-2 ACME
|
4.5
|
2
|
2G
|
4.0000
|
4.0250
|
4.2500
|
4.2839
|
4.52
|
4.54
|
4.0000
|
|
4 1/2-2 ACME
|
4.5
|
2
|
3G
|
4.0000
|
4.0250
|
4.2500
|
4.2658
|
4.52
|
4.54
|
4.0000
|
|
4 1/2-2 ACME
|
4.5
|
2
|
4G
|
4.0000
|
4.0250
|
4.2500
|
4.2613
|
4.52
|
4.54
|
4.0000
|
|
4 1/2-2 ACME
|
4.5
|
2
|
5G
|
4.0000
|
4.0250
|
4.2500
|
4.2591
|
4.52
|
4.54
|
4.0000
|
|
5-2 ACME
|
5
|
2
|
2G
|
4.5000
|
4.5250
|
4.7500
|
4.7846
|
5.02
|
5.04
|
4.5000
|
|
5-2 ACME
|
5
|
2
|
3G
|
4.5000
|
4.5250
|
4.7500
|
4.7662
|
5.02
|
5.04
|
4.5000
|
|
5-2 ACME
|
5
|
2
|
4G
|
4.5000
|
4.5250
|
4.7500
|
4.7615
|
5.02
|
5.04
|
4.5000
|
|
5-2 ACME
|
5
|
2
|
5G
|
4.5000
|
4.5250
|
4.7500
|
4.7592
|
5.02
|
5.04
|
4.5000
|
5. What is the application of the Acme Threads?
They are often used for
Industrial Application
frequently used as lead screws in split nuts, jacks, vices, and machine equipment.
also with heavy torque and power transmission are required like lathes, milling, drilling tappi那个presses, CNC systems, etc
oil and gas industry, valve hydraulic, hydraulic couplers, and connected fasteners hardware for heavy load industry applications.
Aerospace Application
Automobile Application
Medical Applications
6. Conclusion Advantages of Using Acme Threads
Acme threads are mostly associated with lead screws machine industry.
When compared to other threads, acme threads present far superior wear properties, load capabilities, and tolerances than any standard threaded rods.
with lower operating, manufacturing, and maintenance costs than the ball screw for the same industry application (where linear motion is necessary).
Acme threads also ideal for vertical, light/moderate loading conditions and offer very much safer holding condition when operating work under static load.
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