
The ARP chromoly bolt is a chromoly-threaded fastener sized 1/4-28 x 3.750 featuring a hex head and black oxide finish. It fills a particular length requirement for fastening applications. The hex head allows standard wrench or socket use for installation, supporting fabrication and maintenance work where the specified thread, length, and a subdued finish are desired.
ARP 1/4-28 x 3.750 hex black oxide bolts