These bolts have a smooth head and are angled under the head allowing them to sit flush in countersunk applications. Diameters we manufacture are 3/8” to 1-1/2” and metric equivalents. Commonly manufactured to ASTM A307, A449 and SAE J429 specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
