12-11 x 1 1/2 6-Lobe Pan Plastite Alternative 48-2 Fully Threaded Zinc And Wax 1 1/2-6 They have a square drive

They have a square drive head for easy installation

The 5/16-18 x 1 1/4 Phillips Full Contour Truss Machine Screw Fully Threaded Black Zinc is a high-quality screw that is designed for use in a variety of applications

* Fully threaded design for a strong hold

The 1 1/2-12 Stover Alternative Hex Collar Lock Nut Grade C Cad And Wax is a high-quality nut designed for use in a variety of applications

These 8-15 x 1 1/4 Slot Ind Hexwasher 1/4" Across Flats F/T Self Piercing Screws are made of 410 stainless steel

12-11 x 1 1/2 6-Lobe Pan Plastite Alternative 48-2 Fully Threaded Zinc And Wax 1 1/2-6 They have a square driveThe 12 11 x 1 1 2 6 Lobe Pan Plastite Alternative 48 2 Fully Threaded Zinc And Wax is a high quality fastener designed for use in a variety of applications. It is made from zinc and wax, which provides excellent corrosion resistance and durability. The 6 lobe pan head provides a secure hold, and the fully threaded design allows for easy installation. This fastener is ideal for use in automotive, marine, and other applications where corrosion