1/2-20 x 1 1/2 MS35308, Military Hex Head Cap Screw Fine Thread 300 Series Stainless Steel DFAR 10- 32 NM The un-slotted indent hex washer

The un-slotted indent hex washer head provides a secure hold and prevents cam-out

meaning it can create its own threads in metal or plastic

They have a hex washer head with an indent for a secure hold

while the fully threaded design allows for maximum engagement in materials

It is designed to be used in high-pressure and high-temperature applications

1/2-20 x 1 1/2 MS35308, Military Hex Head Cap Screw Fine Thread 300 Series Stainless Steel DFAR 10- 32 NM The un-slotted indent hex washerThe 1 2 20 x 1 1 2 MS35308 is a 1 2 20 threaded, 1 1 2 inch long military grade hex head cap screw. It is made of 300 series stainless steel and meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS). The screw has a fine thread and is designed for use in high strength applications where corrosion resistance is required. It is commonly used in aerospace, military, and industrial applications.