This carbide drilling bit is specifically applied to drilling hole on the rimless frames lenses. Drilling bits are made from high industrial grade micro grain carbide which gives remarkable features of hardness and rigidity. Wide open gullets are easy for chip evacuation. It is comprised of 9 pieces of drilling bit with different diameter. Every drilling bit has a ring with figured diameter.They are easy ,fast to identify specification.
Carbide drilling bit is used to drill on the rimless frames lenses. Drilling bits are well-made of high industrial grade micro grain carbide; Best durability and wear resistance; Sole ID engraved on drilling bits for rapid identification and maintenance; 0.001mm plus or minus tolerance only; Be able to re-sharpen and maximum longevity; Guaranteed prompt delivery; OEM and ODM service available;