Specifications:These drill have extremely hard Tungsten Carbide spear tipsand should be used at low speeds whilst applying light pressure only.Body manufactured from 45# carbon steel, Zinc plated or sandblastedFor drilling glass windows, mirrors, bottles and ceramics.For use in variable speed drills only.The body manufactored from 45# carbon steel, Tungsten Carbide TipThe body manufactored from 45# carbon steel, Tungsten Carbide TipSize: 3-4-5-6-7-8-9-10-11-12-13mmShipping: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