Min. Order Reference FOB Price
1000 Pieces US$1.00 / Piece
Product Description
1. Diamond Core Drill Bit Size --- Drilling Diameter: 20mm / 0.79-inch; Drilling Depth: 58mm / 2.28-inch; Shank Size: 10mm / 0.39-inch; Overall Length: 83mm / 3.27-inch 2. Wide Applications --- Diamond drill bits are suitable for wet/dry drilling/forming/engraving/cutting on various hard materials, ...