Nib Plough Bolts Twin Nib M10 Twin Oval Nib Bolt/Nut Grade 8.8 & 12.9 M10/1829 – M10 X 30 Twin Nib 8.8 M10/3972 – M10 X 30 Twin Nib 12.9 M10/4370 – M10 X 35 Twin Nib 10.9 Enquire M11 Twin Oval Nib Bolt/Nut Grade 8.8 M11/2841 – M11 X 30 Twin Nib 8.8 M11/2842 – M11 X 35 Twin Nib 8.8 Enquire M12 Twin Oval Nib Plough Bolts/Nuts Grade 8.8 & 10.9 M12/2650 – M12 x 30 Twin Oval Nib 8.8 M12/1728 – M12 x 35 Twin Oval Nib 10.9 M12/3833 – M12 x 40 Twin Oval Nib 10.9 M12/2742 – M12 x 45 Twin Oval Nib 10.9 m12/3666 – M12 x 50 Twin Oval Nib 10.9 M12/2839 – M12 x 60 Twin Oval Nib 10.9 Enquire M14 Twin Oval Nib Bolt/Nut Grade 8.8 M14/3215 – M14 X 35 Twin Nib 10.9 M14/2160 – M14 X 40 Twin Nib 10.9 Enquire M16 Twin Oval Nib Bolt/Nut Grade 8.8 M16/3861 – M16 X 70 Twin Nib 8.8 Enquire M20 Twin Oval Nib Bolt/Nut Grade 10.9 M20/3113 – M20 X 85 Twin Nib 10.9 Enquire M12 Twin Straight Nib DIN 11014 Bolt/Nut Grade 8.8 M12/3010 – M12 X 25 Twin Straight Nib 8.8 M12/2925 – M12 X 30 Twin Straight 8.8 M12/2983 – M12 X 35 Twin Straight 8.8 M12/3782 – M12 X 40 Twin Straight 8.8 M12/3783 – M12 X 50 Twin Straight 8.8 M12/3784 – M12 X 60 Twin Straight 8.8 Enquire 7/16 UNF Twin Straight Nib Bolt/Nut Grade 8.8 76/1948 – 7/16 UNF X 30 Twin Nib 8.8 76/1949 – 7/16 UNF X 35 Twin Nib 8.8 Enquire M16 X 1.5 X 70 Single Nib DIN 604 Bolt/Nut Grade 8.8 76/1948 – 7/16 UNF X 30 Twin Nib 8.8 76/1949 – 7/16 UNF X 35 Twin Nib 8.8 Enquire