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13 Products 
Annular Cutter Pin

Annular cutter

Diamond Annular Bit

Diamond Core Cutters

TCT Annular Cutters
Diamond Annular Bit (13 Products)
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Diamond core drilling (exploration diamond drilling) utilizes an annular diamond-impregnated drill bit attached to the end of hollow drill rods to cut a cylindrical core of solid rock. Holes within the bit allow water to be delivered to the cutting face.










