Specifications:These flat bits will bore all types of timber, softwood or hardwood, cross grain and end grain easily and cleanly.Bright finish,precision ground surfaces with ground point and extended spurs for faster cutting.Ideal for use with mains or cordless drills. The bits are shaped for faster and cleaner cutting and are equallyefficient when drilling with or against the grain.All sizes except the 6mm (1/4") have a non-slip hexagonal shank with a locking mechanism which is compatiblewith adaptors or chucks with a built-in "quick-release " feature.The drill manufacture from 65# carbon steel,HRC 40-55Diameter ( mm )Diameter ( Inch )61/4"85/16"103/8"117/16"12131/2"149/16"165/8"1711/16"18193/4"2013/16"227/8"232415/16"251"26281-1/8"30321-1/4"34351-3/8"36381-1/2"Shipping:1. FedEx/DHL/UPS/TNT for samples2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;3. Customers specifying freight forwarders or negotiable shipping methods!4. Delivery Time: 3-7 days for samples; 45 days for batch goods.Other specification is also available according to your requirements. (OEM, ODM )Pls. contact us freely for more information, I will reply you ASAP!Hope you will enjoy a comfortable cooperation with us!Related Products