Comparison : Item # Z74F0220, Square Head Set Screws Cup Point, National Fine, Case Hardened (3/4"-16)
Item # Z74F0225, Square Head Set Screws Cup Point, National Fine, Case Hardened (3/4"-16)
Item # Z74F0230, Square Head Set Screws Cup Point, National Fine, Case Hardened (3/4"-16)
Item # Z74F0235, Square Head Set Screws Cup Point, National Fine, Case Hardened (3/4"-16)
Item # Z74F0240, Square Head Set Screws Cup Point, National Fine, Case Hardened (3/4"-16)