M2 White side black groove twist drill Characteristic: 1,Using high-quality steel 6542, produce by advanced rolling process.The vertex is 135°,and open double rear angle,can be fully improve the durability of the drill bit and centering performance. 2,Head special sharpening,high hardness,in the drilling of the workpiece material, especially stainless steel has excellent performance 3,Drill through special clearance,with a higher wear resistance and a lower friction coefficient Notice:The drilling speed must be appropriate, the gravity center must be stable when work
D=0.5-2.0mm
M2 White side black groove twist drill
No.
specification
package
1
φ0.5-2.0
100pcs
2
φ2.1-2.5
100pcs
3
φ2.6-3.2
100pcs
4
φ3.3-3.5
100pcs
5
φ3.6-4.2
100pcs
6
φ4.3-4.5
100pcs
7
φ4.6-5.2
100pcs
8
φ5.3-5.5
100pcs
9
φ5.6-6.0
100pcs
10
φ6.1-6.5
100pcs
11
φ6.6-7.0
50pcs
12
φ7.1-7.5
50pcs
13
φ7.6-8.0
50pcs
14
φ8.1-9.0
50pcs
15
φ9.1-10.0
50pcs
16
φ10.1-10.5
50pcs
17
φ10.6-11.5
50pcs
18
φ11.6-12.0
50pcs
19
φ12.1-12.5
50pcs
20
φ12.6-13.0
50pcs
21
φ13.5
50pcs
22
φ14
50pcs
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