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National Paterlel shank twill drill bit bts, lōʻihi
Ka kiko'ī:
Nā Kūlana:High Speed Steeel M35, M2, 4341
Kūlana:Din 340
Paina:Mālama /ʻeleʻele o Oxide / Amber /ʻeleʻele & Body & Body / Timenium / Rainbian Color
PO point Angle:118 EGENT, 135 papa helu
Laki:1-20mm
