6MM x 80MM U Bolt With Plate & Nuts Size - 6MM Length - 80MM Metal - 316 Grade Stainless Steel Product Code A (MM) B (MM) C (MM) D (MM) E (MM) F (MM) SFSSUB0460 26 61 36 4 21 31 SFSSUB0580 31 80 43 5 34 40 SFSSUB0680 30 89 56 6 26.5 40 SFSSUB08100 28 100 58 8 34 50 SFSSUB08130 29 130 67 8 50 54.5 SFSSUB08140 35 142 80 8 47 X SFSSUB0860 27.5 60.5 43.5 8 30 40 SFSSUB0865 28 65 28 8 30 X SFSSUB0880 27.5 82 44.5 8 30 40.5 SFSSUB0890 34.5 93 45 8 34.5 X SFSSUB10130 42 132 73 10 48 55 SFSSUB1090 41 94 42 10 40 40 SFSSUB12150 48 153 78 12 62 65 ‘U’ bolts are used all around boats as a means of securing pipes and tubes. Many other industries also use these for various jobs as they are effective and pleasing to look at. These are hugely popular within the marine industry as they are manufactured from 316 grade stainless steel giving them the best rust protection.