HSS Spiral Groove 4-12,4-20,4-32mm Step Drill No ka hana metala
1.Spiral Groove Design e hoʻopau wikiwiki i ka chip.
2. He kūpono no nā lua wili i nā mea like ʻole: i loko o 3mm / 0.12 iniha (Papa hao, Pāpaʻa keleawe, Papa Aluminum); i loko o 5mm/0.2 iniha (Wood, PVC sheet, Insulation Boards).
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou