Comparison : Item # S450170, 18-8 Stainless Steel Phillips Pan Head Machine Screws, National Coarse (6-32)
Item # S450175, 18-8 Stainless Steel Phillips Pan Head Machine Screws, National Coarse (6-32)
Item # S450180, 18-8 Stainless Steel Phillips Pan Head Machine Screws, National Coarse (6-32)
Item # S450185, 18-8 Stainless Steel Phillips Pan Head Machine Screws, National Coarse (6-32)
Item # S450190, 18-8 Stainless Steel Phillips Pan Head Machine Screws, National Coarse (6-32)