10-24 x 3/4 Serrated Hex Flanged Washer Full Thread Screw 18-8 Stainless Steel ISW The screw has a square

The screw has a square pan head and a fully threaded shank

This 5/8" x 8-1/2" hex lag screw features a zinc coating for corrosion resistance and a gimlet point for easy penetration into wood

It is self-tapping

This lock nut is ideal for use in marine

which provides a large bearing surface and prevents the screw from over-tightening

10-24 x 3/4 Serrated Hex Flanged Washer Full Thread Screw 18-8 Stainless Steel ISW The screw has a squareThis 10 24 x 3 4 Serrated Hex Flanged Washer Full Thread Screw is made of 18 8 stainless steel, which provides excellent corrosion resistance. The serrated hex flange washer head provides a wide bearing surface and helps to prevent the screw from loosening due to vibration. The full thread design allows for maximum holding power. This screw is ideal for use in a variety of applications, including marine, automotive, and construction.