硬质合金定点钻--HRC55适合加工：模具钢，铸铁，铝合金，铜，合金钢。主要用于：各种工件打孔之前的定位，倒角。我厂接受非标刀具的订购，欢迎前来洽谈选购。 规格如下：Order No. OutsideDiameter(D)ShankDiameter(d)FluteLength(l)OverallLength(L)2D×2×4×50L224503D×3×6×50L336504D×4×8×50L448505D×5×10×50L5510506D×6×12×50L6612508D×8×16×50L88165010D×10×20×75L1010207512D×12×20×75L1212207516D×16×25×100L16162510020D×20×25×100L2020251004D×4×8×100L4481005D×5×8×100L55101006D×6×12×100L66121008D×8×16×100L881610010D×10×20×100L10102010012D×12×20×100L121220100