Page 56 - HOLE MAKING CATALOG p311-382

TAPS USER GUIDE

ISO Metric Thread
Nominal Dimensions According to UNI 4535-64

Tap flank diameter production tolerances for ISO 6H Nut Coarse Pitch Threads Dimensions in mm
threads limit dimensions - nut threads ISO 6H

Nut thread 1/8·H H = 0.86603P

1/2·H H1 = 5 H = 0.54127P
H 8
H1 17
1/2·H 1/4·H r 60° h3 h3 = 24 H = 0.61343P

60° d2 = D2 = d- 3 H = d-0.64952P
Screw 4

1/6·H d3 = d-2h3 = d-1.22687P

D D2 D1 P d3 d2 d r = H = 0.14434P
6

Nominal Flank Dia. Minor Diameter Thread Depth Flank Dia. Tap Flank Dia. Tap
Dia. d=D d2=D2 Tolerance 6H d2 Tolerance 6H
Pitch P Radius r
M1.6 Screw Screw
M1.8 d3 Nut D1 h3 Nut H1 0.051 Min. Max. Min. Max.
M2 0.051
M2.2 0.35 1.373 1.171 1.221 0.215 0.189 0.058 1.393 1.407 1.373 1.458
M2.5 0.065 1.593 1.607 1.573 1.658
M3 0.35 1.573 1.371 1.421 0.215 0.189 0.065 1.761 1.776 1.740 1.830
M3.5 0.072 1.931 1.946 1.908 2.003
M4 0.4 1.740 1.509 1.567 0.245 0.217 0.087 2.231 2.246 2.208 2.303
M4.5 0.101 2.699 2.715 2.675 2.775
M5 0.45 1.908 1.648 1.713 0.276 0.244 0.108 3.137 3.155 3.110 3.222
M6 0.115 3.574 3.593 3.545 3.663
M7 0.45 2.208 1.948 2.013 0.276 0.244 0.144 4.042 4.061 4.013 4.131
M8 0.144 4.510 4.530 4.480 4.605
M9 0.5 2.675 2.387 2.459 0.307 0.271 0.180 5.385 5.409 5.350 5.500
M10 0.180 6.385 6.409 6.350 6.500
M11 0.6 3.110 2.764 2.850 0.368 0.325 0.217 7.226 7.251 7.188 7.348
M12 0.217 8.226 8.251 8.188 8.348
M14 0.7 3.545 3.141 3.242 0.429 0.379 0.253 9.068 9.096 9.026 9.206
M16 0.289 10.068 10.096 10.026 10.206
M18 0.75 4.013 3.580 3.688 0.460 0.406 0.289 10.911 10.943 10.863 11.063
M20 0.361 12.752 12.786 12.701 12.913
M22 0.8 4.480 4.019 4.134 0.491 0.433 0.361 14.752 14.786 14.701 14.913
M24 0.361 16.430 16.466 16.376 16.600
M27 1 5.350 4.773 4.917 0.613 0.541 0.433 18.430 18.466 18.376 18.600
M30 0.433 20.430 20.466 20.376 20.600
M33 1 6.350 5.773 5.917 0.613 0.541 0.505 22.115 22.157 22.051 22.316
M36 0.505 25.115 25.157 25.051 25.316
M39 1.25 7.188 6.466 6.647 0.767 0.677 0.577 27.794 27.839 27.727 28.007
M42 0.577 30.794 30.839 30.727 31.007
M45 1.25 8.188 7.466 7.647 0.767 0.677 0.650 33.473 33.520 33.402 33.702
M48 0.650 36.473 36.520 36.402 36.702
M52 1.5 9.026 8.160 8.376 0.920 0.812 0.722 39.152 39.202 39.077 39.392
M56 0.722 42.152 42.202 42.077 42.392
M60 1.5 10.026 9.160 9.376 0.920 0.812 0.794 44.832 44.885 44.752 45.087
M64 0.794 48.832 48.885 48.752 49.087
M68 1.75 10.863 9.853 10.106 1.074 0.947 0.866 52.512 52.568 52.428 52.783
0.866 56.512 56.568 56.428 56.783
M1.7 2 12.701 11.546 11.835 1.227 1.083 60.193 60.253 60.103 60.478
M2.3 0.040 64.193 64.253 64.103 64.478
M2.6 2 14.701 13.546 13.835 1.227 1.083 0.040 Nut Tolerance SH8
0.050 1.493 1,507 1.473 1.529
2.5 16.376 14.933 15.294 1.534 1.353 2.061 2.076 2.040 2.120
2.331 2.346 2.308 2.388
2.5 18.376 16.933 17.294 1.534 1.353

2.5 20.376 18.933 19.294 1.534 1.353

3 22.051 20.319 20.752 1.840 1.624

3 25.051 23.319 23.752 1.840 1.624

3.5 27.727 25.706 26.211 2.147 1.894

3.5 30.727 28.706 29.211 2.147 1.894

4 33.402 31.093 31.670 2.454 2.165

4 36.402 34.093 34.670 2.454 2.165

4.5 39.077 36.479 37.129 2.760 2.436

4.5 42.077 39.479 40.129 2.760 2.436

5 44.752 41.866 42.587 3.067 2.706

5 48.752 45.866 46.587 3.067 2.706

5.5 52.428 49.252 50.046 3.374 2.977

5.5 56.428 53.252 54.046 3.374 2.977

6 60.103 56.639 57.505 3.681 3.248

6 64.103 60.639 61.505 3.681 3.248

Metric Thread MA (old UNI 159 profile)

0.35 1.473 1.246 1.246 0.227 0.227

0.4 2.040 1.780 1.780 0.260 0.260

0.45 2.308 2.016 2.016 0.292 0.292

366 ISCAR