价格：
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ART (5PCS/SET)
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DIAMOND CORE BITS(5PCS/SET)
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D35mm × 150mm
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CENTER DRILLS
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D52mm × 150mm
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90mm HEX ADAPTER
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D65mm × 150mm
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115mm SDS ADAPTER
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D117mm × 150mm
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245mm HEX ADAPTER
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D127mm × 150mm
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245mm SDS ADAPTER
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We can do any set according to your request, and we can also supply the single core bit for you, please tell us the exact size of you want, we will offer you the best price.
通过电镀，让金刚砂吸附在打孔器基体（45钢）头部边缘，同时基体是45钢的，不易变形，使用打多孔不会出现不良反应。
特点：锋利，耐磨，表面砂子紧密挨着，不易脱落，保持锋利度，长久耐磨。