4-20 x 1/4 6-Lobe Flat Undercut Plastite Alternative 48-2 Fully Threaded Black Oxide & Wax ABPFY The bolt is made of

The bolt is made of steel and has a zinc coating for corrosion resistance

These 10-32 Flex Type Hex Lock Nuts are made of steel and have a full height design

7 x 25 DIN 7985 A Metric Phillips Pan Machine Screw Full Thread Zinc is a versatile and durable fastener designed for a wide range of applications

They have a hexagonal shape with two flats on opposite sides for easy tightening and loosening with a wrench

They are corrosion-resistant and can be used both indoors and outdoors

4-20 x 1/4 6-Lobe Flat Undercut Plastite Alternative 48-2 Fully Threaded Black Oxide & Wax ABPFY The bolt is made of4 20 x 1 4" 6 Lobe Flat Undercut Plastite Alternative 48 2 Fully Threaded Black Oxide & Wax: This screw is designed for use in plastic materials. It has a 6 lobe flat undercut head that provides a high level of torque and prevents cam out. The fully threaded shank provides maximum holding power. The black oxide and wax finish provides corrosion resistance and lubricity.