5/16"-18 x 3-1/2" Plain Steel Coarse Thread Hanger BoltsType: Hanger Bolts
Thread Size: 18 (Coarse)
Type: Hanger Bolt
Box of 50.
A hanger bolt is a headless fastener that has machine screw threads on one end and self-tapping threads on the other designed to be driven into wood or another soft substrate. Often used for mounting legs on tables.