Countersunk bolt can create a smooth finish on the base material being attached to, instead of leaving the bolt head sticking out. In addition, it prevents the exposure of sharp edges of base material as the pre-drilled holes for these bolts exhibit conical openings at the top. Countersunk bolts are generally used to secure steel plates to a bridge decking, walkway, railing and other applications where a flat fastening surface is required.
Details:
Material: quality carbon steel in grade of 4.8 or 8.8; stainless steel 304 or 316 upon request.
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.
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