Silicon Bronze Machine Screw - Flat Slot Head 1/2-13 UNC x 4"

Silicon Bronze Machine Screw - Flat Slot Head 1/2-13 UNC x 4"

Silicon bronze machine screws are like threaded bolts with a flat countersunk slotted screw head.

Ideal for securing our bronze boat hardware through the deck, these 1/2" bronze machine screws have a standard UNC thread with 13 threads per inch.