Diamond Drill Bits
Small Diamond Drill Bits Our handmade precision small diamond drill bits are commonly used for drilling small holes in many hard materials such as gemstones, glass, sea glass, beads, pebbles,…
High-Speed Steel Twisted Diamond Drill
◇ We apply international standard high-speed steel(HSS #6542) of good quality as base, plated by high-strength diamond. Very sharp with long life, made of MXCL, please identify the manufacture, LZM.…