8-11 x 1 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type 17 Black Ox 5SW while the flat washers provide

while the flat washers provide a smooth bearing surface and protect against damage

This 1/4-28 x 2 3/4 Hex Cap Screw is made of Grade 5 steel and has a zinc finish

The 1/4-14 x 2 6 Lobe Truss Self Drilling Screw Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications

3/8"-16 x 2" Grade 5 Fully Threaded Zinc Carriage Bolt:

while the coarse thread provides superior holding power

8-11 x 1 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type 17 Black Ox 5SW while the flat washers provide8 11 x 1 1 2 Square Phil Drive Flat w Nibs Deep Thread Wood Screw 2 3 Thread Type 17 Black Ox Square Drive: #2 Square Drive Thread Type: 2 3 Thread Thread Cutting: Deep Thread Head Style: Flat Head with Nibs Material: Steel Finish: Black Oxide Dimensions: 8 11 x 1 1 2 inches Quantity: 100 pieces These screws are designed for use in wood applications and provide a strong hold. The deep thread design provides increased holding power, while the nibs help