5/8-18 x 1 1/4 Fine Thread Socket Head Cap Screw Black DFAR 5/16-18-3 These screws are also strong

These screws are also strong and durable

The pan head has a slightly rounded top and is designed to sit flush with the surface of the material being fastened

This 1 1/4-7 Heavy Hex Nut is made of durable steel and finished with a zinc coating for corrosion resistance

12-11 x 5/8 Unslotted Indent Hexwasher Plastite Alternative 48-2 Full Thread Zinc & Wax

* Round washer head

5/8-18 x 1 1/4 Fine Thread Socket Head Cap Screw Black DFAR 5/16-18-3 These screws are also strong5 8 18 x 1 1 4 Fine Thread Socket Head Cap Screw Black DFAR: Black oxide finish for corrosion resistance Alloy steel for strength and durability Socket head for easy driving with an Allen wrench Fine thread for a secure hold in soft materials Meets DFAR requirements for use in military applications Dimensions: 5 8" diameter, 18 threads per inch, 1 1 4" length Commonly used in automotive, construction, and manufacturing industries