Hyjoy #14 3-1/4" Deck Screws, Self-Tapping Sheet Wood Metal Screw, 161Pcs T25 Star Bits Reamer Screws for Trailers, for Wood to Steel

Material: The deck screws are constructed from steel with -corrosion surface, which can effectively the screws and extend their service life. Wood to Metal: Reamer screws are intended for uses where wood is being attached to steel or aluminum, length of screw does NOT indicate usable length of thread / thickness of wood #14 3-1/4" Maximum Wood depth ~2" Maximum Metal Thickness Screw Can Bore ~1/4" Installation: In the threaded section, we added threading process that can effectively resistance when inserting screws. With the self-tapping screw tip, there is no to pre-drill holes; they can be easily driven into soft steel or aluminum. (Note: They will not self-drill through thicker or non-soft materials; these work by pre- holes in wood and letting them self-tap into the metal.) Fragility Feature: After the wood is drilled through, the of the screw contacts the steel and breaks off, then the threads engage. Application: Reamer screws are appropriate for decks, truck beds, docks, horse trailers, utility trailers, ATV trailers, and additional uses.