Handan changlan Fastener Manufacturing Co., Ltd sales2@hdchanglanfastener.com
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CompanyHandan changlan Fastener Manufacturing Co., Ltd. was founded in 2015, formerly Yongnian Tiexi Changhe fastener factory (founded in 2009), a large-scale standard fastener manufacturer in Yongnian County. The company is located
Hex flange head self drilling screw with washers
Drilling tail wire is the main product of our company. The tail of the drilling tail screw is in the shape of drill tail or sharp tail, without auxiliary processing, it can directly drill, tap and lock on the setting materials and basic materials, thus greatly saving the construction time. Compared with the ordinary screw, it has high tenacity and maintenance force, and it will not be loose after a long time after combination. It can be completed at one time by using safe drilling and tapping, and it can be used for fixing the colored steel tile of steel structure and the sheet metal fixation of simple buildings