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Mf (metric fine)

Machine taps for metric fine thread

A fine thread has a smaller pitch than the coarse thread at the same nominal diameter. It holds preload better, adjusts more finely and stays put where vibration would loosen a coarse thread; in return the thread root is shallower and less forgiving. Machine taps cut the thread in a single pass and run in a drilling machine, a machining centre or a tapping attachment.

VÖLKEL offers 284 versions to DIN 374 and ISO 529, in HSS-G and HSSE, from M 3 x 0.35 to M 63 x 1.5. Lead forms B and C cover through holes and blind holes.

All sizes at a glance

284 articles in 2 series. The article number links straight to the tool.

Machine Tap DIN 374 HSSE

Threadnominal sizeTapping drillØ in mmForm BForm CForm C 35° Spiral Flute
M 3 x 0.352.6539501–39701
M 4 x 0.353.65395023940239702
M 4 x 0.53.539503–39703
M 5 x 0.54.5395043940439704
M 5 x 0.754.2539505–39705
M 6 x 0.55.539506–39706
M 6 x 0.755.2395073940739707
M 7 x 0.56.539601–39801
M 7 x 0.756.239508–39708
M 8 x 0.57.539509–39709
M 8 x 0.757.2395103941039710
M 8 x 1.07395113941139711
M 9 x 0.758.239512–39712
M 9 x 1.0839513–39713
M 10 x 0.59.539602–39802
M 10 x 0.759.239514–39714
M 10 x 1.09395153941539715
M 10 x 1.258.8395163941639716
M 11 x 0.75–39603–39803
M 11 x 1.01039517–39717
M 11 x 1.259.839518–39718
M 12 x 0.511.539604–39804
M 12 x 0.7511.239519–39719
M 12 x 1.011395203942039720
M 12 x 1.2510.8395213942139721
M 12 x 1.510.5395223942239722
M 13 x 1.01239523–39723
M 13 x 1.25–39605–39805
M 13 x 1.511.539524–39724
M 14 x 0.7513.2539525–39725
M 14 x 1.013395263942639726
M 14 x 1.2512.8395273942739727
M 14 x 1.512.5395283942839728
M 15 x 1.01439529–39729
M 15 x 1.513.539530–39730
M 16 x 1.015395313943139731
M 16 x 1.2514.7539532–39732
M 16 x 1.514.5395333943339733
M 17 x 1.01639606–39806
M 17 x 1.5–39607–39807
M 18 x 1.017395343943439734
M 18 x 1.2516.7539535–39735
M 18 x 1.516.5395363943639736
M 18 x 2.016395373943739737
M 19 x 1.01839608–39808
M 19 x 1.517.539609–39809
M 20 x 1.019395383943839738
M 20 x 1.2518.75395393943939739
M 20 x 1.518.5395403944039740
M 20 x 2.018395413944139741
M 21 x 1.519.539542–39742
M 22 x 1.021395433944339743
M 22 x 1.2520.7539544–39744
M 22 x 1.520.5395453944539745
M 22 x 2.020395463944639746
M 23 x 1.521.539547–39747
M 24 x 1.023395483944839748
M 24 x 1.2522.7539549–39749
M 24 x 1.522.5395503945039750
M 24 x 2.022395513945139751
M 25 x 1.024395523945239752
M 25 x 1.523.539553–39753
M 25 x 2.0–39616–39816
M 26 x 1.0253955x–3975x
M 26 x 1.524.5395543945439754
M 26 x 2.02439555–39755
M 27 x 1.02639500–39700
M 27 x 1.525.5395563945639756
M 27 x 2.025395573945739757
M 28 x 1.02739558–39758
M 28 x 1.526.5395593945939759
M 28 x 2.02639560–39760
M 29 x 1.527.539561–39761
M 30 x 1.02939562–39762
M 30 x 1.528.5395633946339763
M 30 x 2.028395643946439764
M 30 x 2.527.53956x–3976x
M 30 x 3.02739565–39765
M 32 x 1.529.5395663946639766
M 32 x 2.030395673946739767
M 32 x 3.02939592–39792
M 33 x 1.531.539593–39793
M 33 x 2.031395683946839768
M 33 x 3.03039569–39769
M 34 x 1.532.539570–39770
M 34 x 2.03239571–39771
M 35 x 1.533.5395723947239772
M 36 x 1.534.5395733947339773
M 36 x 2.034395743947439774
M 36 x 3.03339575–39775
M 38 x 1.536.5395763947639776
M 39 x 1.537.539577–39777
M 39 x 2.03739578–39778
M 39 x 3.03639579–39779
M 40 x 1.538.5395803948039780
M 40 x 2.03839581–39781
M 40 x 3.03739582–39782
M 42 x 1.540.5395833948339783
M 42 x 2.04039584–39784
M 42 x 3.03939585–39785
M 45 x 1.543.5395863948639786
M 45 x 2.04339587–39787
M 45 x 3.04239588–39788
M 48 x 1.546.5395893948939789
M 48 x 2.04639590–39790
M 48 x 3.04539591–39791
M 50 x 1.548.5395943949439794
M 50 x 2.04839595–39795
M 50 x 3.04739596–39796
M 52 x 1.550.5395973949739797
M 52 x 2.05039598–39798
M 52 x 3.04939599–39799
M 63 x 1.561.53959x–3979x

Machine Tap ISO 529 Form B HSS-G

Threadnominal sizeTapping drillØ in mmArticle no.
M 3 x 0.352.6581501
M 4 x 0.53.581503
M 5 x 0.54.581505
M 6 x 0.755.281507
M 8 x 1.0781513
M 10 x 1.0981518
M 10 x 1.258.881519
M 12 x 1.01181523
M 12 x 1.2510.881524
M 12 x 1.510.581525

Tapping drill: drill diameter recommended by VÖLKEL (Technical Information “Tapping drill sizes”).

Application advice for VÖLKEL threading tools
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