Описание проекта
HRC55
Исходный материал: Zigong ZK30UF, высокая твердость, хорошая износостойкость.
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.
Workpiece: Aluminum alloy,Copper Alloy
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