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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
*According to the material and depth
5 D4 8 50 4T 5 2R0
2 D6 20 75 3T 6R0
which is 2-3 times that of ordinary cutting tools and has a wide range of applications
Designed for machine use only—not for handheld drills
BB Micro Drill (0.3mm~3.99mm) D=4mm Corner Radius *According to the material andName: 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.