Comparison : Item # S30316F0620, 316 Stainless Steel Hex Head Cap Screws, National Fine (5/8"-18)
Item # S30316F0625, 316 Stainless Steel Hex Head Cap Screws, National Fine (5/8"-18)
Item # S30316F0630, 316 Stainless Steel Hex Head Cap Screws, National Fine (5/8"-18)
Item # S30316F0635, 316 Stainless Steel Hex Head Cap Screws, National Fine (5/8"-18)
Item # S30316F0640, 316 Stainless Steel Hex Head Cap Screws, National Fine (5/8"-18)