10Pcs Twist Drill Bit Straight Shank High Speed Steel Beads Punch Hardware 1.7mm
- The straight shank design is suitable for a variety of electric drills and drilling rigs.
- Special designed for pearl beads punching, jewelry processing and making.
- Come with a plastic storage case, convenient to carry and easy to use.
- These small twist drills are suitable for pearl punching machines, which are convenient and practical.
- Made of quality high‑speed steel material, durable and having long service .
