Mea paahana: tungsten steel, cemented carbide,kentanium
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Hoʻoponopono hihia
Paʻa paʻa mea hana: HRC28~35
hohonu lua: 2mm
ka nui puka: D0.5
hoʻohālikelike ʻia: Vc=40m/min fr=0.05mm/r
ʻoki ola: 60000hole
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