Finish
Black, ZINC, Plain, Black Oxide, ZINC PLATED, Chrome Plated
Material
Brass, Stainless steel, Steel, Aluminium, Titanium
Measurement system
INCH, Metric
Head Style
Pan, Truss, Flat, 圆形, HEX
Standard
ISO,ISO,GB,DIN,JIS or custom
Material
Stainless steel, carbon steel,brass, aluminum,
Certificate
ISO 9001:2015 and ISO 14001:2015
Surface treatment
Plain,oxide,zinc plating,black,yellow zinc
Head Style
csk head,hex head,pan head,flat head,wa
Grade
4.8 6.8 8.8 10.9 12.9