HEX BOLT DIN 931 and HEX NUT DIN 934 - SA 193 B8T CL.2 SA-193 B8T Class 2 bolt M20x140 - 50 pcs SA-193 B8T Class 2 bolt M20x150 - 20 0pcs SA-193 B8T Class 2 bolt M20x120 - 50 pcs SA-193 B8T Class 2 bolt M20x170 - 120 pcs SA-193 B8T Class 2 bolt M20x180 - 150 pcs SA-193 B8T Class 2 bolt M20x 160 - 200 pcs SA-193 B8T Class 2 nut M20 - 650 pcs