Min. Order Reference FOB Price
300 set US$2.50-15.00 / set
Product Description
Sharp blade, fast drilling hole. Super-hard, wear-resistant. Good toughness, wear resistance, high temperature resistant. Suitable for iron, steel, wood and aluminum, tool steel Material HSS 4241, 6542, M35 , M42 Manufacturing Process Roll Forged / Full Ground Heat Treatment Full groove ...