1/4-20 x 1 1/2 Six Lobe Flat Floor Board Screw Type F Black Phosphate BPFB It is designed to be

It is designed to be used with bolts and screws to help distribute the load and prevent damage to the surface being fastened

The screw is 1/2 inch in diameter and 3/4 inch in length

It is made from A2 stainless steel

25 x 35 DIN 7985 A Metric Phillips Pan Machine Screw Full Thread 18-8 SS is a type of screw that is used in a variety of applications

They have a square pan head and a Type A point

1/4-20 x 1 1/2 Six Lobe Flat Floor Board Screw Type F Black Phosphate BPFB It is designed to be1 4 20 x 1 1 2 Six Lobe Flat Floor Board Screw Type F Black Phosphate is a screw designed for use in floorboards. It is made of steel and has a black phosphate finish. The screw has a 1 4 20 thread size and is 1 1 2 inches long. It has a six lobe flat head and a Type F thread. The screw is designed to be driven into the floorboard with a power screwdriver. It is commonly used in commercial and residential construction.