High strength catch and strike
aluminum washeres are especially suitable to use in high temperature environment
and it is not easy to rust in a humid environment for a long time
Outer Size: 263*182*60mm/10
these curtain rings are rust-proof and can be used in humid places
10pcs M5x16mm Flat Countersunk Head Hex Socket Left Hand Thread Bolt DIN7991 Electrical Repair High strength catch and strikeMade of 40Cr Steel material,black oxide finish,hex socket flat head,left hand reverse thread design. Fixing component, industrial and construction fasteners. To tighten a reverse threaded screw, you turn it counter clockwise. To loosen a reverse threaded screw, you turn it clockwise. Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.