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# 8-9 X 3" Square Flat Head With Nibs Under Head Coarse Thread Screws Double Type17 Ultra Guard
# 6-20 X 1 1/2" Square Modified Pan Head, Fine Thread, Type 17 Point, Plain Steel Finish Screws
SQ2 X 1-15/16" Square Drive Power Bit
# 8-11 X 2 1/4" Square Flat Head With Nibs Under Head Coarse Thread Type17 Zinc Plated Screws
# 6-13 X 3/4" Square/Phillips Flat Head Coarse Thread Zinc Plated Screws