1/4-20 x 3/4 Thumb Screw Plain Full Thread 18-8 Stainless Steel AQF188 They have a type A

They have a type A flat head and a Phillips drive

The oval head design provides a low profile and a finished look

The slotted oval head has a flat top and a slightly rounded bottom

The split washer is designed to prevent the nut from loosening

and their serrated threads help to prevent them from loosening over time

1/4-20 x 3/4 Thumb Screw Plain Full Thread 18-8 Stainless Steel AQF188 They have a type A1 4 20 x 3 4 Thumb Screw Plain Full Thread 18 8 Stainless Steel This thumb screw is made of 18 8 stainless steel, which is corrosion resistant and durable. It has a 1 4 20 thread size and a 3 4 inch length. The plain full thread design allows for easy insertion and removal, and the thumb screw can be tightened or loosened by hand without the need for tools. This thumb screw is ideal for use in a variety of applications, including securing panels,