taper angle drilling bit, taper angle drilling bit ...
rock drilling tools to drill granite rock 32Mm tapered Button Drill Bit. 3.00-15.00 Piece. 50 Pieces (Min. Order) Xiamen Bestlink Factory Co., Ltd. CN 11 YRS. 4.8 ( 18) Contact Supplier. Compare. Description Diameter Length Water hole Taper degree a=4°,6°,7°,11°,12° Socket inside d=15,19,22,25mm mm mm 2 20 65 2 23 65 2 25 ...
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