1/2-20 x 1 1/2 MS35308, Military Hex Head Cap Screw Fine Thread 300 Series Stainless Steel DFAR 10- 32 NM They have a hex washer

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

and industrial settings where a strong and corrosion-resistant fastener is required

and automotive applications where high strength and reliability are crucial

meaning it can create its own threads in metal or plastic

These 10-16 x 2 3/4-inch Phillips pan head self-tapping screws are Type AB and fully threaded

1/2-20 x 1 1/2 MS35308, Military Hex Head Cap Screw Fine Thread 300 Series Stainless Steel DFAR 10- 32 NM They have a 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.