Min. Order Reference FOB Price
100 Pieces US$2.00 / Piece
Product Description
We make CBN fully ground HSS step drill bits. Made from high grades high speed steel, tin coating and tialn coating both avialable. Kinds of sets are available. Tin coating, tialn coating available. Laser marking. STC001A, INCH SIZES STEPS DRILL No. of Holes Description Shank Diameter ...