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TiN+TiCN+Al2O3
整体硬质合金材质，具备极高硬度与耐磨性，专为精密、持久加工而设计。
Cutting conditions
Parameters are also related to the extension length of the cutter
通用圆柄设计，兼容性广泛
BB Micro Drill (0.3mm~3.99mm) D=4mm Diameter:0.36*D4*4*50 TiN+TiCN+Al2O3Name: BB Micro Drill Material: Micro grained carbde Number of flutes: 2 Series: BB2055 Diameter of shank: 4mm Application: For general purpose Cuting diameter Shank diameter (D) Cuttlng length (L) Total length (OL) Angle Tolerance 0. 3~0. 5 4 4 50 118 0. 005 0. 51~0. 99 4 6 50 118 0. 005 1. 01~1. 49 4 8 50 118 0. 005 1. 51~1. 99 4 10 50 118 0. 005 1. 0 4 11 50 118 0. 005 1. 1 1. 1 1. 2 1. 2 1. 25 4 12 50 118 0. 005 1. 3 1. 35 1. 4 1. 45 1. 5 1. 55 1.
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