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Personne àcontacter Ms. maggie
XIAOSHAN, HANGZHOU, ZHEJIANG
* hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit. * **8 degree point angle design for general purpose. * black oxide finish for greater resistance to wear. * economical high speed steel bit for general drilling. * for drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic. * **5 degree split point starts on contact in all types of metal, no walking or skating * fully ground body, black oxide for the most accurate hole dimensions and high concentricity. * hardened high speed steel body provides additional safeguard. * for general using in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic. * Diameter: 1.0~*3.0mm, * Overall length: *4~**1mm
