10-32 x 1 1/2 Phillips Truss Machine Screw Fully Threaded Black Oxide M20-1.50 The non-serrated design prevents galling

The non-serrated design prevents galling and seizing

or pergolas

it features a black oxide finish for enhanced corrosion resistance and a Phillips pan head for easy driving

These washers are designed to prevent nuts and bolts from loosening due to vibration or other external forces

With a plain finish

10-32 x 1 1/2 Phillips Truss Machine Screw Fully Threaded Black Oxide M20-1.50 The non-serrated design prevents gallingThe 10 32 x 1 1 2 Phillips Truss Machine Screw is a fully threaded screw with a black oxide finish. It has a truss head with a Phillips drive. This screw is commonly used in woodworking and metalworking applications. The black oxide finish provides corrosion resistance and a dark, matte appearance. The fully threaded design allows for maximum holding power.