Countersunk bolts are used when a smooth surface is required. Common applications include: bridge decking, walkways, and railing. countersunk bolts from 12" diameter through 1-12" diameter in most ASTM, and SAE specifications including, A307 Grade A, A449, and Grade 8. Countersunk bolts have a head angle of approximately 80 degrees. Bolts are available with and without a slot in the head. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company's name andor logo.
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