Din335 HSS Countersink Drill Bit Turai Nau'in
Nunin Samfur
Ruwan daskarewa yana da babban yankan gefensa a ƙarshensa, yayin da sarewa masu karkace suna da kusurwar bevel, wanda aka sani da kusurwar rake, a bakinsu.Domin tabbatar da kyakkyawan tsakiya da jagora na wannan rawar soja, yana da jagorar jagora a titin sa wanda ya dace da ramin da ke cikin aikin.Don yin sauƙi mai sauƙi, kayan aikin shank ɗin yana da silindical kuma an ɗora kan kai tare da rami mara kyau.Tushensa da aka zazzage yana da ƙwanƙwasa wanda ya dace don yanke dalilai.Ramin ɗin yana aiki azaman ramin fitar da guntu, yana ƙyale guntun ƙarfe su juya kuma a fitar da su sama.Ƙarfin centrifugal yana taimakawa wajen goge bayanan ƙarfe a saman kayan aikin don hana ɓarna saman kuma yana shafar inganci.Akwai nau'ikan ginshiƙan jagora guda biyu, kuma ana iya yin ramukan ƙirƙira a cikin yanki ɗaya idan ya cancanta.
Makasudin aikin na'ura mai kwakwalwa shine yawanci countersink da sarrafa ramukan santsi.Tsarinsa da tsarin sa yana ba da sauƙin yin aiki da kyau da haɓaka ingancin samfurin ƙarshe.
| Gaba | 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 |
