3 ngā wahi HSS Step drill bit me te putorino tika

1. He mea hanga te mata wiri ki te maitai tere-teitei, he tino pakari, he ātete hoki ki te wera, ā, he pai mō te keri i ngā momo rauemi pēnei i te konganuku, te kirihou, me te rakau.

2. Mā te hoahoa awaawa tika ka āwhina i te tango pai i ngā maramara i te wā o te mahi keri, te whakaiti i te aukati, me te whakapai ake i te mahi keri whānui.

3. Kei roto i tēnei huinga e toru ngā rahi rerekē o ngā mata wiri takahanga, e whakarato ana i te ngāwari me te rahi tika o ngā kōhao mō ngā mahi keri maha.

4. Ngā mahi maha

I te nuinga o te wā, ka roa, ka ngāwari te whakamahi, ka whai hua hoki te mata keri HSS e toru ngā wāhanga me ngā putorino tika mō ngā momo mahi keri maha, ā, ko te hoahoa putorino tika he painga anō kei a ia ko te whakapai ake i te tango maramara.