Comparison : Item # S720175, Stainless Steel Flat Head Socket Cap Screws, National Coarse (6-32)
Item # S720180, Stainless Steel Flat Head Socket Cap Screws, National Coarse (6-32)
Item # S720185, Stainless Steel Flat Head Socket Cap Screws, National Coarse (6-32)
Item # S720190, Stainless Steel Flat Head Socket Cap Screws, National Coarse (6-32)
Item # S720195, Stainless Steel Flat Head Socket Cap Screws, National Coarse (6-32)