https://www.acehardware.com/departments/hardware/nuts-and-bolts/hex-bolts/5322904
HILLMAN 5/16 in. D X 4 in. L Zinc Plated Steel Hex Tap Bolt 50 pk Mfr# 221019 - Ace Hardware
Hex tap bolts are fully threaded machine bolts, designed to adhere facing materials to prevent shear movement; specifically for use in wood to wood, wood to...