1/4X1 1/8 Spring Pin Slotted Thermal Black 8-32-1 which means that it is

which means that it is not open at the end

1/4-20 x 1 1/2 Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc is a fastener with the following specifications:

and a length of 16mm

This 7/16"-14 x 1" Hex Cap Screw is made of Grade 8 steel and has a yellow zinc coating for corrosion resistance

Its self-tapping feature allows it to create its own threads in the material

1/4X1 1/8 Spring Pin Slotted Thermal Black 8-32-1 which means that it is1 4X1 1 8 Spring Pin Slotted Thermal Black is a small, cylindrical pin with a slotted head and a black oxide finish. It is made of spring steel and has a diameter of 1 4 inch and a length of 1 8 inch. The slotted head allows for easy insertion and removal, and the black oxide finish provides corrosion resistance. This pin is commonly used in a variety of applications, including securing components in place, aligning parts, and preventing movement.