# 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 X 1 1/2" Square/Phillips Flat Head With Nibs Under Head Coarse Thread Type17 Black Phosphate/Wax Screws
# 6-13 X 1 1/2" Phillips Flat Head Coarse Thread Zinc Plated Screws
# 8-11 X 1 1/4" Phillips Flat Head With Nibs Under Head Coarse Thread Type17 Black Phosphate/Wax Screws
# 6-13 X 1 1/2" Square Flat Head Coarse Thread Type 17 Zinc Plated Screws
# 4-22 X 5/8" Phillips Flat Head Twinfast Thread Zinc Plated Screws