Fine Factory Spiral/Straight Flute Step Drill Bit Yesimbi Isina Stainless

Zvidhiraivho zvesimbi zvinomhanya zvakanyanya zvinonyanya kushandiswa pakuboorera mapurati esimbi matete mukati me3mm. Chidhiraivho chimwe chete chinogona kushandiswa panzvimbo pezvidhiraivho zvakawanda. Maburi ane dhayamita dzakasiyana anogona kugadziriswa sezvinodiwa, uye maburi makuru anogona kugadziriswa panguva imwe chete, pasina chikonzero chekutsiva chidhiraivho uye maburi ekuisa chidhiraivho. Parizvino, chidhiraivho chematanho akabatanidzwa chakagadzirwa neCBN all-grinding. Zvinhu zvacho zvinonyanya kushandiswa nesimbi inokurumidza, carbide yakagadzirwa nesimende, nezvimwewo, uye kunyatsogadzirwa kwacho kwakanyanya. Zvichienderana nemamiriro akasiyana ekugadzirisa, kurapwa kwependi yepamusoro kunogona kuitwa kuti kuwedzere hupenyu hwebasa rechishandiso uye kuwedzera kugara kwenguva refu kwechishandiso.