
High-Performance Triangle Drill Bit for Ceramics and Marble. High-Performance Material: Made of 40Cr steel with YG8 Carbide Tip for durability and efficiency. Multi-Functional Usage: Suitable for wood, well, PCB, metal, and masonry drilling applications. OEM & Customization: OEM service and customization options available to meet unique needs. Secure Packaging: Inner PVC box and sturdy outer cartons ensure safety during transit. Flexible Shipping: Options include air, sea, and express delivery via DHL, UPS, TNT, FEDEX. Sample Availability: Samples available for testing; freight fee refunded upon official order. Quality Assurance: 100% inspection including visual and function checks for finished products. Fast Delivery: Standard delivery within 20-30 days; customized within 35-45 days.