General description The CCYKXA 7Pcs Wood Drill Bit Set includes 7 countersink drill bits in various sizes (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, and 10mm) along with a hex key for easy adjustments. Each bit is marked with its size for quick identification, catering to diverse drilling needs. Technical specifications Material: High carbon steel Sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Design: Three-point design for accurate drilling Cutting Edges: 5-cutting edge sharp chamfers Compatibility and accessories Compatible with drills featuring a chuck Suitable for most bench drills and hand drills Includes L-shaped hex key for adjustments Usage Ideal for drilling into plastic, PVC, rubber, particle board, hardwood, and parquet Designed for fast chip removal and efficient drilling