Tapered chisel bits - Superdrill, Rock Tools, DTH
Hardness HRA: TRS N/MM²: Applications recommended: YG8C: 14.55-14.75: ≥87.5: ≥2000: It is suitable for making geological prospecting drill bits and mining inserts for light electrical drills for drilling soft rock and coal formations and drill bits for drilling un-silicated rock formations: YK05: 14.85: ≥90.5: ≥2200
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