1/4-20 x 1 1/4 Six Lobe Flat Floor Board Screw Type F Black Phosphate MSB this screw easily penetrates metal

this screw easily penetrates metal

The hexagonal head provides ample grip for easy installation with a wrench

while the hexwasher head allows for easy tightening with a wrench or socket

The Grade 5 rating indicates its strength and ability to withstand moderate loads

1/4-20 x 1 1/4 Six Lobe Flat Floor Board Screw Type F Black Phosphate MSB this screw easily penetrates metalThe 1 4 20 x 1 1 4 Six Lobe Flat Floor Board Screw Type F Black Phosphate is a high quality screw designed for use in a variety of applications. It is made of durable steel and features a black phosphate finish for added corrosion resistance. The six lobe drive design provides a secure hold, and the flat floor head sits flush with the surface of the material being fastened. This screw is ideal for use in flooring, decking, and other applications where