Astm A193 Grade B7

Astm A193 Grade B7 Dyson Corp’s ASTM a193 grade b7 bolts are made to a higher standard for petroleum and chemical construction use. If you’re searching for a bolt for pressure vessels, fittings, flanges, or valves, give us a call and we can custom manufacture any bolt or nut to your exact specs. We do custom forging and machining as well.