China solid carbide twist drills factory

3D inner cooling twist drills for general machining

Type Size (D)Dia. (D) (L)Overall Length (L1)Shank Length(L1) (L3)Groove Length (L3) (d)Shank dia. (d) B-U03-D0300IA 3 62 36 20 6 B-U03-D0310IA 3.1 62 36 20 6 B-U03-D0320IA 3.2 62 36 20 6 B-U03-D0330IA 3.3 62 36 20 6 B-U03-D0340IA 3.4 62 36 20 6 B-U03-D0350IA 3.5 62 36 20 6 B-U03-D0360IA 3.6 62 36 20 6 B-U03-D0370IA 3.7 62 36 20 6 B-U03-D0380IA 3.8 66 36 24 6 B-U03-D0390IA 3.9 66 36 24 6 B-U03-D0400IA 4 66 36 24 6 B-U03-D0410IA 4.1 66 36 24 6 B-U03-D0420IA 4.2

5D inner cooling twist drills for general machining

Type Size (D)Dia. (D) (L)Overall Length (L1)Shank Length(L1) (L3)Groove Length (L3) (d)Shank dia. (d) B-U05-D0300IA 3 66 36 28 6 B-U05-D0310IA 3.1 66 36 28 6 B-U05-D0320IA 3.2 66 36 28 6 B-U05-D0330IA 3.3 66 36 28 6 B-U05-D0340IA 3.4 66 36 28 6 B-U05-D0350IA 3.5 66 36 28 6 B-U05-D0360IA 3.6 66 36 28 6 B-U05-D0370IA 3.7 66 36 28 6 B-U05-D0380IA 3.8 74 36 36 6 B-U05-D0390IA 3.9 74 36 36 6 B-U05-D0400IA 4 74 36 36 6 B-U05-D0410IA 4.1 74 36 36 6 B-U05-D0420IA 4.2

8D inner cooling twist drills for general machining

Type Size (D)Dia. (D) (L)Overall Length (L1)Shank Length(L1) (L3)Groove Length (L3) (d)Shank dia. (d) B-U08-D0300IA 3 72 36 34 6 B-U08-D0310IA 3.1 72 36 34 6 B-U08-D0320IA 3.2 72 36 34 6 B-U08-D0330IA 3.3 72 36 34 6 B-U08-D0340IA 3.4 72 36 34 6 B-U08-D0350IA 3.5 72 36 34 6 B-U08-D0360IA 3.6 72 36 34 6 B-U08-D0370IA 3.7 72 36 34 6 B-U08-D0380IA 3.8 81 36 43 6 B-U08-D0390IA 3.9 81 36 43 6 B-U08-D0400IA 4 81 36 43 6 B-U08-D0410IA 4.1 81 36 43 6 B-U08-D0420IA 4.2

12D inner cooling twist drills for general machining

Type Size (D)Dia. (D) (L)Overall Length (L1)Shank Length(L1) (L3)Groove Length (L3) (d)Shank dia. (d) B-U12-D0300IA 3 92 36 54 6 B-U12-D0310IA 3.1 92 36 54 6 B-U12-D0320IA 3.2 92 36 54 6 B-U12-D0330IA 3.3 92 36 54 6 B-U12-D0340IA 3.4 92 36 54 6 B-U12-D0350IA 3.5 92 36 54 6 B-U12-D0360IA 3.6 92 36 54 6 B-U12-D0370IA 3.7 92 36 54 6 B-U12-D0380IA 3.8 102 36 64 6 B-U12-D0390IA 3.9 102 36 64 6 B-U12-D0400IA 4 102 36 64 6 B-U12-D0410IA 4.1 102 36 64 6 B-U12-D0420IA 4

5D external cooling twist drills for general machining

Type Size (D)Dia. (D) (L)Overall Length (L1)Shank Length(L1) (L3)Groove Length (L3) (d)Shank dia. (d) B-U05-D0300EA 3 66 36 28 6 B-U05-D0310EA 3.1 66 36 28 6 B-U05-D0320EA 3.2 66 36 28 6 B-U05-D0330EA 3.3 66 36 28 6 B-U05-D0340EA 3.4 66 36 28 6 B-U05-D0350EA 3.5 66 36 28 6 B-U05-D0360EA 3.6 66 36 28 6 B-U05-D0370EA 3.7 66 36 28 6 B-U05-D0380EA 3.8 74 36 36 6 B-U05-D0390EA 3.9 74 36 36 6 B-U05-D0400EA 4 74 36 36 6 B-U05-D0410EA 4.1 74 36 36 6 B-U05-D0420EA 4.2

3D external cooling twist drills for general machining

Type Size (D)Dia. (D) (L)Overall Length (L1)Shank Length(L1) (L3)Groove Length (L3) (d)Shank dia. (d) B-U03-D0300EA 3 62 36 20 6 B-U03-D0310EA 3.1 62 36 20 6 B-U03-D0320EA 3.2 62 36 20 6 B-U03-D0330EA 3.3 62 36 20 6 B-U03-D0340EA 3.4 62 36 20 6 B-U03-D0350EA 3.5 62 36 20 6 B-U03-D0360EA 3.6 62 36 20 6 B-U03-D0370EA 3.7 62 36 20 6 B-U03-D0380EA 3.8 66 36 24 6 B-U03-D0390EA 3.9 66 36 24 6 B-U03-D0400EA 4 66 36 24 6 B-U03-D0410EA 4.1 66 36 24 6 B-U03-D0420EA 4.2

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