1/4X1/2 Spring Pin Slotted Thermal Black RSN31 They are also commonly used

They are also commonly used in metal framing and other light-duty projects

570-inch inner diameter

The 6-lobe pan head provides a secure grip for screwdrivers

The 6-32 x 5/16 Slotted Flat Machine Screw Fully Threaded Zinc is a reliable and affordable choice for a variety of fastening applications

190" diameter)

1/4X1/2 Spring Pin Slotted Thermal Black RSN31 They are also commonly used1 4" x 1 2" Spring Pin Slotted Thermal Black is a type of spring pin used in a variety of applications. It is made of black oxide coated steel and has a slotted head for easy insertion and removal. The pin is 1 4" in diameter and 1 2" in length. It is designed to fit into a 1 4" hole and can be used to secure two pieces of metal together. The spring pin is also heat treated for added strength and durability.