Gem Bids For Bolt & Nut, Hex Hd. M20 X 2.5p X 85 Lg. With L/nut &l/washer, Is: 1367, High Tensile, Class: 8.8 &, Bolt &nut, Hex Hd. M20 X 2.5p X 115 Lg. With L/nut &l/washer, Is: 1367, High Tensile, Class: 8.8 &, Hex Hd.screw With Nut M20 X 2.5p X 115 Lg. Matl. Is: 1367class: 4.6 & 4, For 3200 Mm Dia Di. Bcb-42, Washerflat For M-10 Bolt. 11, For 3200 Mm Dia Di. Bcb-42fan., Washer Flat For M-20 Bolt. 22, For 3200 Mmdia Di. Bcb-42 Fan.