# 6-13 X 1/2" Phillips Flat Undercut Head Coarse Thread Zinc Plated Screws (#5 Head O.D.)
Undercut Screw is designed to prevents splits caused by the head itself.
# 8-11 X 2" Square/Phillips Flat Head With Nibs Under Head Coarse Thread Type17 Black Phosphate/Wax Screws
# 8-9 X 1 1/2" Square/Phillips Round Washer Head Coarse Thread Double Type17 Plain Steel Screws
# 8-9 X 1" Square/Phillips Round Washer Head Coarse Thread Double Type17 Plain Steel Screws
# 8-9 X 1 5/8" Square/Phillips Round Washer Head Coarse Thread Double Type17 Plain Steel Screws