Product Name: Hexagon Screws-Accessories of Drill Bit Model NO.: DZLX Material: Alloy Steel Coating: Uncoated Standard: Standard Application: Drilling Machine Certification: Other Treatment: All-Ground Performance: Better Endurance Trademark: CHTOOLS Transport Package: Single Packing with PVC Plastic Tube Specification: DZLX Origin: China(Mainland)Zhejiang Product Description Hexagon Screws-accessories of drill bit1. Professionally design and manufacture for quality and practical applications.2. Various types for all applications.3. Applicable to hole cutting and process of annular groove on various magnetic drills and press, like Alfra, Hougen, Jancy, Euroboor, BDS, Ruko.4. The product is mainly used to process the hole of steel component, such as steel structure project, railway traffic, bridging, shipbuilding, machine manufacture, aviation and spaceflight.5. Special multi-cut geometry with ply-cutting and lower friction to reach better performance of endurance and removal of chips. So its life is lengthened. It is stable made and can cut with high speed, and make the surface of materials smooth. It has exact diameter and can use after regrinding.TypeShank Type / SizeDZLX-01Fein m18*6/P1.5/19.05weldon