Min. Order Reference FOB Price
50 Pieces US$0.50-10.00 / Piece
Product Description
Product Description Vacuum Brazed Diamond Core Drill Bits Diameter 6mm-16mm Total length 60mm, diamond height 10mm, workable length: 35mm. Grit: #35/40. Wax inside helps self-cooling. Dry or wet drilling. Diameter 19mm-152mm Total length 75mm, diamond height 15mm; workable length: 50mm. Grit: ...