Din335 HSS Countersink Drill Bit Europe Type
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Kaunda sink ine mucheto mukuru wekucheka pamagumo ayo, nepo spiral flutes ine bevel angle, iyo inozivikanwa se rake angle, pamuromo wadzo.Kuti ive nechokwadi chekuisa pakati uye kutungamira kwakanaka kwechibooreso ichi, ine chinyorwa chekutungamira pamuromo wayo chinokwana zvakanaka mugomba riripo mune workpiece.Kuita kuti kusungirira kuve nyore, shank yekushandisa ndeye cylindrical uye musoro wakatemerwa negomba re oblique.Iyo tapered tip ine beveled edge iyo yakakodzera kucheka zvinangwa.Iyo kuburikidza negomba inoshanda segomba rekuburitsa chip, richibvumira machipisi esimbi kutenderera uye kuburitswa kumusoro.Simba re centrifugal rinobatsira pakukwenya simbi dziri pamusoro pechishandiso kudzivirira kukwenya pamusoro uye kukanganisa kunaka.Kune marudzi maviri ezvinyorwa zvinotungamira, uye maburi ekuverengera anogonawo kuitwa muchidimbu chimwe chete kana zvichidikanwa.
Chinangwa chekubooresa countersink chinonyanya kunyura uye kugadzirisa maburi akatsetseka.Magadzirirwo ayo uye magadzirirwo anoita kuti zvive nyore kushanda zvakanaka uye kuvandudza kunaka kwechigadzirwa chekupedzisira.
| Forthread | D | L1 | d |
| 1-4 | 6.35 | 45 | 6.35 |
| 2-5 | 10 | 45 | 8 |
| 5-10 | 14 | 48 | 8 |
| 10-15 | 21 | 65 | 10 |
| 15-20 | 28 | 85 | 12 |
| 20-25 | 35 | 102 | 15 |
| 25-30 | 44 | 115 | 15 |
| 30-35 | 48 | 127 | 15 |
| 35-40 | 53 | 136 | 15 |
| 40-50 | 64 | 166 | 18 |
