High Speed Steel Drill Bit Drill Bit Portable Heat Resistance For Pearl Beads Punching For Jewelry Processing And Making

The product is specially designed for pearl beads punching jewelry processing and making. Equipped with a plastic storage case convenient for you to carry and easy to use. Using good quality metal material durable and having long service time. This drill bit has high hardness wear resistance and heat resistance. The product come with stable structure and excellent drilling performance.