Description: 99 Pieces HSS Ti- Bits Hss Drill Bit Set For Wood, Plastic And Aluminum Great For DIY, Home And General Building/Engineering Using Home or DIY use Made from High Quality Ti-Coated HSS Long life tool set Material : Ti-Coated Features : 1. The HSS drill bits are for cutting through hard metal, like aluminum alloy, and ti‑alloy 2. Accuracy grinding inclined blade helps ensure fast drilling, impressive cutting power, and excellent chip removal 3. This product can drill through metal easily with help from this high‑speed steel drill bit set. Ideal for professionals and DIYers alike, the drill bit set comes in handy for a variety of projects, whether at home or on the job. 4. Each drill bit in the set features high‑speed steel construction with a ti- surface coating for high hardness, long‑lasting strength, and supreme cutting power. 5. Drill through metal easily with help from this high‑speed steel drill bit set. The drill bits make a great choice when working with aluminum alloy, ti‑ alloy, and other high hardness materials Containing Sizes: 1.5mm To 10mm Contents: 16pcs x 1.5mm Drill Bit 16pcs x 2mm Drill Bit 15pcs x 2.5mm Drill Bit 10pcs x 3mm Drill Bit 10pcs x 3.2mm Drill Bit 8pcs x 3.5mm Drill Bit 8pcs x 4mm Drill Bit 3pcs x 4.5mm Drill Bit 3pcs x 5mm Drill Bit 2pcs x 5.5mm Drill Bit 2pcs x 6mm Drill Bit 2pcs x 6.5mm Drill Bit 2pcs x 8mm Drill Bit 2pcs x 10mm Drill Bit Package Includes: 1 x 99pcs of Drill Bits .