Project Description
HRC55
Raw material: Zigong ZK30UF, high hardness, good wear resistance.
Coating: TiSiN,containing silica, very high surface hardness and high thermal resistance.
Products Design: Spotting drills can perform both centering and chamfering. Precise position the holes and chamfer are accomplished at one time to improve the processing efficiency.
![HRC55 NC Spotting Drill for Steel 15 HRC55 NC Spotting drill for steel 06](https://www.endmillmts.com/wp-content/uploads/2020/12/HRC55-NC-Spotting-drill-for-steel-06-1.jpg)
![HRC55 NC Spotting Drill for Steel 16 HRC55 NC Spotting drill for steel 07](https://www.endmillmts.com/wp-content/uploads/2020/12/HRC55-NC-Spotting-drill-for-steel-07-1.jpg)
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