140mm 150mm 180mm 200mm Variety of Sizes of Three Wing Conventional Cordless Drill Bits for Your Choice

140mm 150mm 180mm 200mm Variety of Sizes of Three Wing Conventional Cordless Drill Bits for Your Choice. Customizable Sizes: Available in 75mm, 91mm, 113mm, 153mm, 171mm, 273mm, and other sizes upon request. Customizable Colors: Drill bit color can be customized according to customer requirements. High Penetration Rate: Features high drilling efficiency and penetration rate for optimal performance. Long Service Life: Designed for durability with wear-resistant properties and extended operational life. ISO 9001 Certified: Manufacturing process certified under ISO 9001:2000 and ISO 9001:2008 standards. 1-Year Warranty: Comes with a comprehensive 1-year warranty covering mechanical defects. Sample Orders Accepted: Sample orders are welcome for quality testing before bulk purchase. Low MOQ: Minimum order quantity is only 1 piece, suitable for small-scale testing.