+Surface finish high +Mircro grain carbide +Good quality,competitive price +90 /120degree +Carbid Spotting Drill Description3610 series with co 10%* Standard hardness material processing (HRC45)* Micro grain materials with Top TiALN Coating* High wear-resisting (Micro grain 0.6um)*Scraps discharge unobstructedManufacture Equipment* CNC 5-axes automatic grinding machine from Germany *Competitive ...
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