# 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.
# 9-10 X 2 1/2" Square/Phillips Flat Head With Nibs under Head Coarse Thread Type 17 Zinc Plated Screws (# 8 Head O.D.)
# 6-13 X 5/8" Phillips Undercut Flat Head Coarse Thread Zinc Plated Screws (#5 Head O.D.)
# 6-13 X 7/16" Phillips Flat Undercut Head Coarse Thread Type 17 Zinc Plated Screws
# 8-11 X 1 Torx Flat Head With Nibs under Head Coarse Thread Type 17 Zinc Plated