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

The 6-18 x 1/2 Phillips Flat Hinge Screw Twinfast Fine Thread Fully Threaded Zinc is a high-quality screw designed for use in hinge applications

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

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

and automotive applications where high strength and reliability are crucial

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.