Comparison : Item # BB-30596, Machine Screw, Fillister Head Slotted, Zinc Cr+3 (Inch)
Item # BB-30597, Machine Screw, Fillister Head Slotted, Zinc Cr+3 (Inch)
Item # BB-30598, Machine Screw, Fillister Head Slotted, Zinc Cr+3 (Inch)
Item # BB-30599, Machine Screw, Fillister Head Slotted, Zinc Cr+3 (Inch)
Item # BB-30600, Machine Screw, Fillister Head Slotted, Zinc Cr+3 (Inch)