8-11 x 2 1/4 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Zinc EPPB The Type U drive style

The Type U drive style requires a special driver for installation

34 x 10 Metric Phillips Pan Head PT Alternative Fully Threaded Zinc & Bake is a kind of screw with a Phillips pan head and a fully threaded body

providing ample grip for secure tightening

The washer has a 5/8-inch inner diameter and a 1-1/8-inch outer diameter

8-11 x 2 1/4 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Zinc EPPB The Type U drive style8 11 x 2 1 4 Square Phillips Drive Round Washer Deep Thread Type 17 2 3 Thread Zinc are thread cutting screws designed for use in metal applications. They have a square drive that requires a square driver bit to install. The deep thread design provides increased holding power in metal materials. The zinc coating provides corrosion resistance and helps to prevent rust. These screws are commonly used in automotive, construction, and manufacturing