TRUSCO 3S-NMS-19G 3S-NMS-21G 3S-NMS-22G "Nice Mighty Spiral Step Drill" (3 blades, hexagonal axis)
TRUSCO3S-NMS-19G3S-NMS-21G3S-NMS-22G"Nice Mighty Spiral Step Drill" (3 blades, hexagonal axis)Specification:Model/Step width (mm)/ Number of steps (stages) / Drilling dimensions (φ)3S-NMS-19
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