Page 57 - HOLE MAKING CATALOG p311-382

USER GUIDE TAPS

ISO Metric Fine 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
M2 1.838 Screw Nut D1 Screw Nut H1 Min. Max. Min. Max.
M 2.5 0.25 2.273 d3 h3 0.036
M3 0.35 2.773 1.729 0.135 0.051 1.844 1.856 1.838 1.886
M 3.5 0.35 3.273 1.693 2.121 0.153 0.189 0.051 2.293 2.307 2.273 2.358
M4 0.35 3.675 2.701 2.621 0.215 0.189 0.051 2.794 2.809 2.773 2.863
M 4.5 0.5 4.175 2.571 3.121 0.215 0.189 0.072 3.294 3.309 3.273 3.363
M5 0.5 4.675 3.071 3.459 0.215 0.271 0.072 3.699 3.715 3.675 3.775
M 5.5 0.5 5.175 3.387 3.959 0.307 0.271 0.072 4.199 4.215 4.175 4.275
M6 0.5 5.675 3.887 4.459 0.307 0.271 0.072 4.699 4.715 4.675 4.775
M6 0.5 5.513 4.387 4.959 0.307 0.271 0.072 5.199 5.215 5.175 5.275
M7 0.75 6.513 4.887 5.459 0.307 0.271 0.108 5.702 5.72 5.675 5.787
M8 0.75 7.675 5.387 5.188 0.307 0.406 0.108 5.545 5.566 5.513 5.645
M8 0.5 7.513 5.08 6.188 0.46 0.406 0.072 6.545 6.566 6.513 6.645
M8 0.75 7.35 6.08 7.459 0.46 0.271 0.108 7.702 7.72 7.675 7.787
M9 8.513 7.387 7.188 0.307 0.406 0.144 7.545 7.566 7.513 7.645
M9 1 8.35 7.08 6.917 0.46 0.541 0.108 7.835 7.409 7.35
M 10 0.75 9.675 6.773 8.188 0.613 0.406 0.144 8.545 8.566 8.513 7.5
M 10 9.513 8.08 7.917 0.46 0.541 0.072 8.385 8.409 8.35 8.645
M 10 1 9.35 7.773 9.459 0.613 0.271 0.108 9.702 9.72 9.675
M 10 0.5 9.188 9.387 9.188 0.307 0.406 0.144 9.545 9.566 9.513 8.5
M 11 0.75 10.513 9.08 8.917 0.46 0.541 0.18 9.385 9.409 9.35 9.787
M 11 1 10.35 8.773 8.647 0.613 0.677 0.108 9.226 9.251 9.188 9.645
M 12 1.25 11.513 8.466 10.188 0.767 0.406 0.144 10.545 10.566 10.513
M 12 0.75 11.35 10.08 9.917 0.46 0.541 0.108 10.385 10.409 10.35 9.5
M 12 1 11.188 9.773 11.188 0.613 0.406 0.144 11.547 11.569 11.513 9.348
M 12 0.75 11.026 11.08 10.917 0.46 0.541 0.18 11.388 11.413 11.35 10.645
M 13 1 12.35 10.773 10.647 0.613 0.677 0.217 11.23 11.258 11.188 10.5
M 14 1.25 13.35 10.466 10.376 0.767 0.812 0.144 11.071 11.101 11.026 11.653
M 14 1.5 13.188 10.16 11.917 0.92 0.541 0.144 12.388 12.413 12.35 11.51
M 14 1 13.026 11.773 12.917 0.613 0.541 0.18 13.388 13.413 13.35 11.368
M 15 1 14.35 12.773 12.647 0.613 0.677 0.217 13.23 13.258 13.188 11.216
M 15 1.25 14.026 12.466 12.376 0.767 0.812 0.144 13.071 13.101 13.026 12.51
M 16 1.5 15.35 12.16 13.917 0.92 0.541 0.217 14.388 14.413 14.35 13.51
M 16 1 15.188 13.773 13.376 0.613 0.812 0.144 14.071 14.101 14.026 13.368
M 16 1.5 15.026 13.16 14.917 0.92 0.541 0.18 15.388 15.413 15.35 13.216
M 17 1 16.35 14.773 14.647 0.613 0.677 0.217 15.23 15.258 15.188 14.51
M 17 1.25 16.026 14.466 14.376 0.767 0.812 0.144 15.071 15.101 15.026 14.216
M 18 1.5 17.350 14.16 15.917 0.92 0.541 0.217 16.388 16.413 16.35 15.51
M 18 1 17.026 15.773 15.376 0.613 0.812 0.144 16.071 16.101 16.026 15.368
M 18 1.5 16.701 15.16 16.917 0.92 0.541 0.217 17.388 17.413 17.35 15.216
1 16.773 16.376 0.613 0.812 0.289 17.071 17.101 17.026 16.51
1.5 16.16 15.835 0.92 1.083 16.752 16.786 16.701 16.216
2 15.546 1.227 17.51
17.216
16.913

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