METRIC Diameter: 3,3.5,4,4.5,5,6 Finish: Zinc,Grey/Black phosphated Grade: 4.8,6.8,8.8 Material: C1022 HARDEN Thread: Coarse/Fine INCH Diameter: #6,#7,#8,#10 Finish: Zinc,Grey/Black phosphated Grade: 4.8,6.8,8.8 Material: C1022 HARDEN Threa...[more]