It is high tensile AISI316 stainless steel wire, tolerance(+/-0.01mm), tensile strength is more than 900Mpa (900N).

The holes are square and the wires are very strong (not sliding), screen surface is flattened after we weave the wires to mesh screen.

Characteristic of window security screen:
Safe: Not easy to cut and break pass AS5039-2008
Private live: No one can peep at room
Beautiful: Gorgeous surface
Durable: More than 10years Warranty pass AS2331.3.1-2001

 [ Features of window security screen ]
 Excellent flact surface 
 High tension,Equal aperture and dia
 Corrosion resistance,easy to install
 10 years not to corrode,face or bubble
 Black color filter 60% of UV rays
 

[ Maishi window security screen passes the below tests ]
 1) Knife Shear Test(AS5039-2008) 
 2) Anti-Jemmy Test(AS509-2008) 
 3) Pull Test(AS5039-2008) 
 4) Durable more than 10 years(AS2331.31-2001)
 5) 3006 Hour Salt Spray Tests, 534 hours UV Test

[ Production Process of window security screen]