HILLMAN 3/8 in. D X 6 in. L Zinc Plated Steel Hex Tap Bolt 50 Pk

Coarse Hex Tap Bolts are machine bolts that have been designed to adhere facing materials to prevent shear movement. Zinc grade 2 hex bolts are recommended for most general uses and are corrosion resistant for typical use. Be sure to pre-drill any holes and to use washers and nuts of a similar grade and finish.