The standard type national standard
Standard Numbers GB******6 category hexagonal bolt
Thread specification M**-M*8 nominal length is
******0
6 g range tolerance thread of mechanical industry with
fasteners
Surface treatment oxidation were black material level carbon steel
at
*0.9 in magnitude
The product grade B level outside hex head type
All kinds of 8.8 a, *0.9 a hexagonal bolt, double head
bolts
Our company adhere to: "strives for the survival by the
quality, seek
development by credit! For the service of the superior quality, for
the
most reliable product!" The management idea; Sincerely for
various
industries provide stable quality, reasonable price, quality
reliable bolt.
