Over the years of dedication, we have been a prominent manufacturer of 4~128mm Glass Drill Bits for our highly respected clients. They are available in different sizes, shapes and other specifications to meet the demands of our patrons. Optimum quality material is used in their making to ensure high performance, effectiveness, durability, corrosion resistance and easy installation. 4~128mm Glass Drill Bits are tested on various parameters prior to dispatch from our unit. We offer these bits at highly cost- effective prices in the market.