BIG-SERT Inch Steel Insert 5/16-18 X .620 Part # 55613
Big Sert Steel Insert 5/16-18 .620 Part #55613. Insert Length Inch is .620. Professional Thread Repair. TIME-SERT thread repair system the ultimate way to repair threads in stripped or damaged holes. This listing is for (1) ONE insert. Please note: The size of the insert refers to the inside diameter and thread pitch.