Countersunk bolt can create a smooth finish on the base material being
to, instead of leaving the bolt head sticking out. In addition, it prevents
exposure of sharp edges of base material as the pre-drilled holes for
exhibit conical openings at the top. Countersunk bolts are generally
secure steel plates to a bridge decking, walkway, railing and other
where a flat fastening surface is required.
Material: quality carbon steel in grade of 4.8 or 8.8; stainless steel 304
Head style: slotted (S), crossed (C) or with hex holes (H).
Finish: plain, zinc plating and oxidation treatment, etc.
Diameter: M8 to M20 or other customized diameters.
Thread pitch: 0.5mm to 2.5mm.
Standard: GB, BS, DIN, ISO SAE, etc.
Business Registry Number: 120-86-03931