HRC65 2F Carbide Tungsten Steel Drill Bits Set For PCB

Description of drill
1.Dimension : 3.3x66, 3.5x66, 6.0x82, 8.0x91, 16.0x133 and customized sizes
2.Measurements manufactured according to standard DIN6537
Chisel edge grinding IRK standard
Primary edge point angle 140°
Shank according to DIN6535HA h6
3.Coating : Optinal
4. Tolerance of cutting edge diameter m7
5.Chip Evacuation Groove special designed, easy evacuation
6.Use for the process of structual steel, Alloy steel, Staineless steel and other common materials; Precise centering ability which enable to gain stable dimensional accurancy and fine surface quality; suitable for process system with excellent rigidity.

Our Advantage:
1.High quality: Adopted advanced ANCA CNC machine with best raw material from Germany and Sweden, also 100% Zoller measuring and inspecting.
2.Best service: Produce according to your requirement and provide after-sale help if you need.
3.Price: With our own factory, you can get more competitive price from us.

Zhuzhou Grewin Tungsten Carbide Tools Co., hold the brand "GREWIN'', Commited to Cost-Effective Solid Carbide Cutting Tools and Solid Carbide Materials.

Our main product range is:

1. Carbide Metal Cutting Tools:  CNC insert, Carbide End Mills, Carbide Drill, Carbide Taps, Carbide Reamers.

2. Carbide wood Cutting Tools:  Indexble Cutting Insert, Wood Working Drills, Saw Blade, Saw Tips, Carbide Cutters, Finger Joint.

3. Cemented Carbide Materails:  Solid Carbide Rod, Carbide Strips, Carbide Tips, Carbide Molding.

4. Grinding Wheels& Abrasive Tools.