Njengoko kubonisiwe kumfanekiso ongezantsi ngasekunene, ii-dome PDC kunye nee-carbide inserts zifakwe kwi-percussion bit efanayo. Emva kokuvavanya, ii-carbide inserts ziyaguga.
Ixesha leposi: Matshi-31-2025
Amatye eNinestonesIzicelo zoMgodi/zoBunjineli zeDome PDC kunye neConical PDC
Ixesha leposi: Matshi-31-2025
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