DescriptionThese diamond drill bits made of high-speeds steel that is durable and have a long sevice life,which are and good performance that excellent for making clean and accurate hole.Features- Color: Silver. - Material: Steel. - Size: 5.50 x 1.20 x 1.20cm/ 2.16 x 0.47 x 0.47 inch. - This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other. - They are perfect for drill glass, tile bottles,blocks jars, fiberglass porcelain tile ceramic, slate mable, granite light stone. - These diamond drill bits made of high-speeds steel that is durable and have a long sevice life. - Which are and good performance that excellent for making clean and accurate hole. - Coated with high quality, the diamond hole saws creates a high precision, smooth cut with no broken edges.
