Product Name: Tapping Drilling Machine Chipboard Drywall Screws Model NO.: SCREW Grade: 4.8 Standard: DIN, GB, ANSI Head Style: Counter Sunk Bolt Connection: Common Bolt Groove: Cross Type: Countersunk Head Material: Carbon Steel Transport Package: Box, Bulk Origin: China Product Description CDN GLOBLE CO., LTD is aprofessional fastener manufacturing and marketing enterprise ,we are specialized in Fasteners since 1980s ,we have workshop and trade office in Changzhou city, Jiangsu Province .We focus on production of screws ,bolts ,nuts, plastic products .Not only produce normal item ,New items are also welcomed with details.Contact Information:Sales Manager: Ms. NancyCND GLOBLE CO., LTDNO.36 XINSI ROAD, NEW DISTRICT, CHANGZHOU, JIANGSU, CHINA