15PCS Tct Carbide Tip Multi-Purpose Masonry Drill Bit Set in Plastic Box

15PCS Tct Carbide Tip Multi-Purpose Masonry Drill Bit Set in Plastic Box. Multi-Purpose Drilling: Suitable for wood, metal, concrete, stone, bricks, cinder blocks, and tiles. High Hardness Tip: Features Tungsten Carbide Yg8c tip for durability and twice the drilling speed. Complete Size Set: 15-piece set includes sizes from 3mm to 25mm with varying flute counts. Convenient Storage: Comes with a slot storage box for easy carrying and organization. Customization Available: Product name, tip material, surface treatment, and manufacturing process are customizable. Fast Sample Delivery: Samples delivered within 3-7 days via FedEx, DHL, UPS, or TNT. ISO 9001 Certified: Gold Supplier certified with strict quality control by 10 QC staff. Prompt Response: Customer inquiries are replied to within 12 hours.