Round Nut Self Locking Nut

Anti theft nut 
With spring and balls 
Common carbon steel nut 
Can be used at electrical transmission tower 
ISO9001:2008 

Anti theft nut with Spring and Balls is a kind of product which company combines numerous product feature of anti-theft nut in existence, through continuous improvement , search and developes new-style anti-theft nut. This product has received national utility model patent, the patent number is ZL200720090142.7, the main specifications are QLCN3-16, QLCN3-18, QLCN-20, QLCN3-22, QLCN3-24. The product can wide applicate to anti-theft fasteners or components in the field facilities such as electric power system, correspondence system and highway. It is a good anti-theft function, convenient installation and low cost anti-theft nut, and the nut also can be made according the demands of customer.