(1) our company main products are: stainless steel screw hex bolts,
cylinder head hex socket screws (cup), hexagonal concave side screw
set (concave end include), inner hexagonal flat end set screws (flat
side) include tight set screw, hex, pointed end include (tip), six
Angle within the set screw (include) at the end of the tube,
countersunk hex socket screws (cup), round head hex socket screws (a
round goblet), cross trough pan head machine screws, countersunk head
cross slot machine screw, philips flat head machine screw, cross
trough pan head cross slot countersunk head tapping screw, self-
tapping screw, cross slot big flat head self-drilling screw, the whole
tooth screw (teeth), hex nuts, flange nuts, nylon nuts, cap nuts,
butterfly nuts, flat washers, spring washers, serrated washer, cotter
pin, etc.
(2) material has stainless steel SUS201 of stainless steel screws,
stainless steel SUS304, SUS316 stainless steel and so on. There's also
the Japanese JIS standard stainless steel material, the stainless
steel AISI village, quality standard, the German DENI stainless steel
material is qualitative standards, French NFA stainless steel material
and the former Soviet union TOCT stainless steel material standards.
The material of different countries have different standards.
(3) is mainly used for: environmental protection equipment,
communications equipment, electric power facilities, electronic
products, food machinery, petroleum industry, ship assembly, pump
valve, pipe, building curtain wall, open places, etc.