SMART CUT  Series 015DSE Multi Layered Electroplated solid drills are flat cylinder shape with transition angle. These miniature diamond drills have high diamond concentration and give a smother, faster drilling action with minimum heat generation. The multiple layers of diamond coating which provides best diamond adhesion in the bond matrix. This provides longer life span, compared to standard and comparable electroplated miniature drills. Higher level of consistency and better surface finish. Most popular type of diamond drills for drilling small holes for jewelry (stone, glass, & many other materials). Multiple layers of diamond provide longer drilling life, faster & freer  drilling. Available from stock from 0.75mm to 2.5mm