8 x 3 1/2 Square Drive Round Washer Head Deep Thread Wood Screw 2/3 Thread Black Oxide NF316 and feature a hex washer

and feature a hex washer head that provides a secure hold

The 1/2-13 x 6 1/2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc is a high-strength fastener designed for heavy-duty applications

They are also ideal for use in tight spaces or where a low profile is desired

while the Phillips pan head provides a flush

Its medium size (#8) is ideal for use with bolts and screws of corresponding diameter

8 x 3 1/2 Square Drive Round Washer Head Deep Thread Wood Screw 2/3 Thread Black Oxide NF316 and feature a hex washerThese 8 x 3 1 2" Square Drive Round Washer Head Deep Thread Wood Screws with 2 3 Thread and Black Oxide finish are designed for heavy duty wood applications. The square drive head provides a secure grip for driving, while the washer head helps to distribute the load and prevent the screw from sinking into the wood. The deep thread design provides superior holding power, and the black oxide finish offers corrosion resistance. These screws are ideal for