HSS Spiral Groove 4-12,4-20,4-32mm Step Drill Mo u'amea galue
1.Spiral Groove Design faia vave aveese pu.
2. Suitable mo pu vili i mea eseese: i totonu o le 3mm/0.12 inisi (Pau Umea, Plate Apa, Plate Aluminium); i totonu ole 5mm/0.2 inisi (Laau, pepa PVC, laupapa Insulation).
Tusi lau savali iinei ma lafo mai ia i matou