Features: Experience wear resistance and extended tool life with our bead drill bit, suitable for fine wood bead processing and addressing frequent wear issues. Achieve precise depth adjustment with the innovative drilling design allowing customizable exposure length; set it 5mm longer than your wood thickness for exact drilling, minimizing breakage and optimizing operational for 18mm diameter bead tool. Perfect for professional woodworkers, and hobbyists crafting prayer beads, decorative carvings, or intricate wooden jewelry requiring consistent durability in their machining tools. Utilize this bead drilling bit securely mounted on bench drills operating for smooth cut in diverse wood types, enhancing efficiency in crafting workshops and home studios focused on detailed bead production. High temperature tolerance, low friction coefficient, and anti adhesion properties high frequency welded construction ensuring seamless, breakage resistant during intensive carving. Specifications: Component:Steel Size:6mm/8mm/10mm/12mm/14mm/15mm/16mm/18mm/20mm/22mm/25mm/30mm Package Includes: 1Pc Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.