3 PCS HSS Pololei Groove Titanium Coated Step Drill Bit Set No Metal

3PCS Step Drill Set No ka wili kila kila

Nā hiʻohiʻona:
1. Kūlana kū hoʻokahi, hiki i kahi drill ke wehe i nā ʻano kikoʻī o ka aperture.
2. ʻAʻole pono e hoʻohana i ka punch waena. Hana lōʻihi a kiʻekiʻe.
3. ʻO ka hoʻohana ʻana i nā mea hana: drill, bench drill. Inā hana me ka hoʻoluʻu wai hiki ke hoʻolōʻihi i ke ola lawelawe o ka drill bit, paipai.
ka nui o ka wili ʻana o 250-250 RPM.

Manaʻo kōkua:
Aia ka SET:ʻanuʻu ʻanuʻu4-12mm/4-20mm/4-32mm
Hoʻohana: kūpono i nā mea nona ka paʻakikī ma lalo o 25 ° artifacts, e like me ka pā hao, ka papa alumini, ka panel PV, ka papa insulation. (ʻoi aku ka maikaʻi o ka mānoanoa ma mua o 4mm.)