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Home - Products - Stone Diamond Core Drill Bits - 60mm roof segment granite diamond core drill bit


60mm roof segment granite diamond core drill bit
Buy cheap granite diamond core drill bit from Chinese factory 


This 60mm granite diamond core drill bits are designed for drilling granite and hard stones. We use the grade A quality steel barrel to weld our mature formula segments on it. So it can deliver a fast drilling speed and superior lifespan. And roof segments makes it very easy to drill into the stones. Welcome buy granite diamond core bits from Sunny!


These granite diamond core drill bits are engineered for exceptional footage and fast/aggressive drilling characteristics. We adopt the industrial grade diamond powder and Cobalt powder to produce our diamond core bits, so our diamond core bits have a stable drilling performance and superior lifespan. High diamond concentration yields excellent life and drilling efficiency through concrete, marble, granite, refractory brick and other hard materials. We use the grade A quality steel tube to ensure the drill bits run precisely.

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Diameter: 20-160mm


Length: 60mm/100mm


Segment Height: 10mm


Thread: M14, 5/8"-11, 1/2 GAS,etc.

Thanks for your inquiry, we will contact you within 24 hours.

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