External Metric ISO Thread Table Chart Sizes M140 - M175

ISO Hardware Engineering Data
Fastener and Screw / Bolt Design, Formula and Calculations

The following are metric external thread size table chart for sizes M 140 to M 175 per. ANSI/ASME B1.13M-1995. These thread sizes and classes represent bolts and screws, as well, as other standard external threads. Do not use these values for standard metric internal thread designs. All units in mm.

Metric Internal and External threads

Where:

H = P ( 31/2 / 2 ) = 0.866025 P
or
0.125H = 0.108253P

ISO Metric
Thread Designation
Pitch
External Threads
Tolerance
Class
Major Dia
Pitch Dia
Minor Dia
Max
Min
Max
Min
Max
Min
M140x8
8
6g
139.900
139.190
134.704
134.369
131.240
129.441
M140x8
8
4g6g
139.900
139.190
134.704
134.492
131.240
129.564
M140x6
6
6g
139.920
139.320
136.023
135.723
133.425
132.027
M140x6
6
4g6g
139.920
139.320
136.023
135.833
133.425
132.137
M140x4
4
6g
139.940
139.465
137.342
137.092
135.610
134.628
M140x4
4
4g6g
139.940
139.465
137.342
137.182
135.610
134.718
M140x3
3
6g
139.952
139.577
138.003
137.779
136.704
135.931
M140x3
3
4g6g
139.952
139.577
138.003
137.863
136.704
136.015
M140x2
2
6g
139.962
139.682
138.663
138.473
137.797
137.241
M140x2
2
4g6g
139.962
139.682
138.663
138.545
137.797
137.313
M140x1.5
1.5
6g
139.968
139.732
138.994
138.814
138.344
137.890
M140x1.5
1.5
4g6g
139.968
139.732
138.994
138.882
138.344
137.958
M145x6
6
6g
144.920
144.320
141.023
140.723
138.425
137.027
M145x6
6
4g6g
144.920
144.320
141.023
140.833
138.425
137.137
M145x4
4
6g
144.940
144.465
142.342
142.092
140.610
139.628
M145x4
4
4g6g
144.940
144.465
142.342
142.182
140.610
139.718
M145x3
3
6g
144.952
144.577
143.003
142.779
141.704
140.931
M145x3
3
4g6g
144.952
144.577
143.003
142.863
141.704
141.015
M145x2
2
6g
144.962
144.682
143.663
143.473
142.797
142.241
M145x2
2
4g6g
144.962
144.682
143.663
143.543
142.797
142.311
M145x1.5
1.5
6g
144.968
144.732
143.994
143.814
143.344
142.890
M145x1.5
1.5
4g6g
144.968
144.732
143.994
143.882
143.344
142.958
M150x8
8
6g
149.900
149.190
144.704
144.369
141.240
139.441
M150x8
8
4g6g
149.900
149.190
144.704
144.492
141.240
139.564
M150x6
6
6g
149.920
149.320
146.023
145.723
143.425
142.027
M150x6
6
4g6g
149.920
149.320
146.023
145.833
143.425
142.137
M150x4
4
6g
149.940
149.465
147.342
147.092
145.610
144.628
M150x4
4
4g6g
149.940
149.465
147.342
147.182
145.610
144.718
M150x3
3
6g
149.952
149.577
148.003
147.779
146.704
145.931
M150x3
3
4g6g
149.952
149.577
148.003
147.863
146.704
146.015
M150x2
2
6g
149.962
149.682
148.663
148.473
147.797
147.241
M150x2
2
4g6g
149.962
149.682
148.663
148.545
147.797
147.313
M150x1.5
1.5
6g
149.968
149.732
148.994
148.814
148.344
147.890
M150x1.5
1.5
4g6g
149.968
149.732
148.994
148.882
148.344
147.958
M155x6
6
6g
154.920
154.320
151.023
150.723
148.425
147.027
M155x6
6
4g6g
154.920
154.320
151.023
150.833
148.425
147.137
M155x4
4
6g
154.940
154.465
152.342
152.092
150.610
149.628
M155x4
4
4g6g
154.940
154.465
152.342
152.182
150.610
149.718
M155x3
3
6g
154.952
154.577
153.003
152.779
151.704
150.931
M155x3
3
4g6g
154.952
154.577
153.003
152.863
151.704
151.015
M155x2
2
6g
154.962
154.682
153.663
153.473
152.797
152.241
M155x2
2
4g6g
154.962
154.682
153.663
153.543
152.797
152.311
M160x8
8
6g
159.900
159.190
154.704
154.369
151.240
149.441
M160x8
8
4g6g
159.900
159.190
154.704
154.492
151.240
149.564
M160x6
6
6g
159.920
159.320
156.023
155.723
153.425
152.027
M160x6
6
4g6g
159.920
159.320
156.023
155.833
153.425
152.137
M160x4
4
6g
159.940
159.465
157.342
157.092
155.610
154.628
M160x4
4
4g6g
159.940
159.465
157.342
157.182
155.610
154.718
M160x3
3
6g
159.952
159.577
158.003
157.779
156.704
155.931
M160x3
3
4g6g
159.952
159.577
158.003
157.863
156.704
156.015
M160x2
2
6g
159.962
159.682
158.663
158.473
157.797
157.241
M160x2
2
4g6g
159.962
159.682
158.663
158.543
157.797
157.311
M165x6
6
6g
164.920
164.320
161.023
160.723
158.425
157.027
M165x6
6
4g6g
164.920
164.320
161.023
160.833
158.425
157.137
M165x4
4
6g
164.940
164.465
162.342
162.092
160.610
159.628
M165x4
4
4g6g
164.940
164.465
162.342
162.182
160.610
159.718
M165x3
3
6g
164.952
164.577
163.003
162.779
161.704
160.931
M165x3
3
4g6g
164.952
164.577
163.003
162.863
161.704
161.015
M165x2
2
6g
164.962
164.682
163.663
163.473
162.797
162.241
M165x2
2
4g6g
164.962
164.682
163.663
163.543
162.797
162.311
M170x8
8
6g
169.900
169.190
164.704
164.369
161.240
159.441
M170x8
8
4g6g
169.900
169.190
164.704
164.492
161.240
159.564
M170x6
6
6g
169.920
169.320
166.023
165.723
163.425
162.027
M170x6
6
4g6g
169.920
169.320
166.023
165.833
163.425
162.137
M170x4
4
6g
169.940
169.465
167.342
167.092
165.610
164.628
M170x4
4
4g6g
169.940
169.465
167.342
167.182
165.610
164.718
M170x3
3
6g
169.952
169.577
168.003
167.779
166.704
165.931
M170x3
3
4g6g
169.952
169.577
168.003
167.863
166.704
166.015
M170x2
2
6g
169.962
169.682
168.663
168.473
167.797
167.241
M170x2
2
4g6g
169.962
169.682
168.663
168.543
167.797
167.311
M175x6
6
6g
174.920
174.320
171.023
170.723
168.425
167.027
M175x6
6
4g6g
174.920
174.320
171.023
170.833
168.425
167.137
M175x4
4
6g
174.940
174.465
172.342
172.092
170.610
169.628
M175x4
4
4g6g
174.940
174.465
172.342
172.182
170.610
169.718
M175x3
3
6g
174.952
174.577
173.003
172.779
171.704
170.931
M175x3
3
4g6g
174.952
174.577
173.003
172.862
171.704
171.014
M175x2
2
6g
174.962
174.682
173.663
173.473
172.797
172.241
M175x2
2
4g6g
174.962
174.682
173.663
173.543
172.797
172.311

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