1/4-20 x 1 1/2 Coarse Thread Socket Head Cap Screw Black DFAR D965 They have a full thread

They have a full thread and a flat head with a Phillips drive

34 x 8 Metric 6-Lobe Flat Head PT Alternative 30 Degree FT A2 Stainless Steel Ejot is a high-quality fastener designed for use in a variety of applications

The Ind Hexwash head provides a secure hold

3/8 x 1 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc is a type of screw that is used to fasten two pieces of metal together

It has a length of 1 1/4 inches and a diameter of 10-24

1/4-20 x 1 1/2 Coarse Thread Socket Head Cap Screw Black DFAR D965 They have a full threadThe 1 4 20 x 1 1 2 Coarse Thread Socket Head Cap Screw Black DFAR is a high quality fastener designed for use in demanding applications. It is made of durable steel and features a black oxide finish for corrosion resistance. The coarse thread design provides a secure hold, even in soft materials. The socket head allows for easy installation and removal using a hex key. This screw meets the requirements of the Defense Federal Acquisition Regulation