HEAVY HEX. NUTS ASTM A 194 GRADE 8 DIA. M30 30 PCS DIA. M33 20 PCS DIA. M39 20 PCS DIA. M18 50 PCS DIA. M42 35 PCS DIA. M45 20 PCS HEAVY HEX. NUTS ASTM A 194 GR 7 DIA. M20 100 PCS DIA. M16 50 PCS DIA. M14 100 PCS DIA. M22 200 PCS DIA. M27 100 PCS DIA. M33 150 PCS DIA. M45 120 PCS