1/4X1/2 Spring Pin Slotted Thermal Black RSN31 The head is designed to

The head is designed to provide a secure grip when driving the screw

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

570-inch inner diameter

a hardwood that is known for its dark color and durability

1/4X1/2 Spring Pin Slotted Thermal Black RSN31 The head is designed to1 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.