7/16-20 x 1 1/2 Fine Thread Socket Head Cap Screw Black DFAR MDEPFN The hex head allows for

The hex head allows for easy installation and removal using a standard hex key or socket wrench

They also have an undercut head

The 1/4-20 x 2 Elevator Bolt Zinc is a type of bolt that is used to connect two pieces of metal together

9 Metric Partially Threaded Cap Screw Plain is a high-tensile strength screw made of alloy steel with a black oxide finish

The 10-24 x 5/8 Phillips Pan External Sems Machine Screw Fully Threaded 18-8 Stainless Steel is a type of screw that is used in a variety of applications

7/16-20 x 1 1/2 Fine Thread Socket Head Cap Screw Black DFAR MDEPFN The hex head allows for**7 16 20 x 1 1 2 Fine Thread Socket Head Cap Screw, Black DFAR** This is a high strength screw designed for use in demanding applications. It is made of alloy steel with a black oxide finish for corrosion resistance. The screw has a socket head for easy driving and a fine thread for a secure hold. It meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS) for use in military and aerospace applications.