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U Bolts

U Bolts

The largest range of Round and Square U bolts delivered freight free. Available in Stainless Steel Marine Grade A4-70 G316, Mild Steel Class 4.6 Zinc Plated and Galvanised. We carry M4 - M24 diameters in lengths from 20mm to 600mm long in Metric Coarse thread and 1/4" - 3/4" diameters in UNC (unified national coarse) and BSW (british standard whitworth). Made to Hobson Engineering standards.Technical specifications, printable datasheets and product cad drawings available online

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Category
System of Measurement
  1. Metric 60 items
  2. Imperial 57 items
Size
  1. M4 (4mm) 1 item
  2. M5 (5mm) 1 item
  3. M6 (6mm) 1 item
  4. M8 (8mm) 2 items
  5. M10 (10mm) 18 items
  6. M12 (12mm) 29 items
  7. M16 (16mm) 1 item
  8. M20 (20mm) 4 items
  9. M24 (24mm) 3 items
  10. 1/4" 6 items
  11. 3/8" 8 items
  12. 1/2" 40 items
  13. 5/8" 1 item
  14. 3/4" 2 items
Size & Thread Pitch
  1. M4 x 0.70p Coarse 1 item
  2. M5 x 0.80p Coarse 1 item
  3. M6 x 1.00p Coarse 1 item
  4. M8 x 1.25p Coarse 2 items
  5. M10 x 1.50p Coarse 18 items
  6. M12 x 1.75p Coarse 29 items
  7. M16 x 2.00p Coarse 1 item
  8. M20 x 2.50p Coarse 4 items
  9. M24 x 3.00p Coarse 3 items
  10. 1/4" x 20 TPI BSW 6 items
  11. 3/8" x 16 TPI BSW 8 items
  12. 1/2" x 12 TPI BSW 40 items
  13. 5/8" x 11 TPI BSW 1 item
  14. 3/4" x 10 TPI BSW 2 items
Thread Type
  1. Metric - Coarse 60 items
  2. UNC / BSW - Coarse 17 items
  3. BSW - Coarse 40 items
Material / Finish
  1. Galvanised 81 items
  2. Stainless Steel 27 items
  3. Zinc Silver Plated 9 items
Class / Grade
  1. A2-70 G304 8 items
  2. A4-70 G316 19 items
  3. Low Tensile Grade 2 57 items
  4. Low Tensile Class 4.6 33 items
Corrosion Protection Level
  1. Ultimate 19 items
  2. Excellent 89 items
  3. Moderate 9 items
Inside Width Range
  1. 20.00 - 29.00mm 12 items
  2. 30.00 - 39.00mm 7 items
  3. 40.00 - 49.00mm 25 items
  4. 50.00 - 59.00mm 25 items
  5. 60.00 - 79.00mm 18 items
  6. 80.00 - 99.00mm 4 items
  7. 100.00 - 119.00mm 9 items
  8. 120.00 - 199.00mm 6 items
  9. > 200.00mm 11 items
Overall Length From Inside
  1. 59.00 - 61.00mm 3 items
  2. 64.00 - 66.00mm 1 item
  3. 66.00 - 67.00mm 2 items
  4. 67.00 - 69.00mm 1 item
  5. 72.00 - 74.00mm 2 items
  6. 74.00 - 76.00mm 4 items
  7. 76.00 - 78.00mm 2 items
  8. 77.00 - 79.00mm 1 item
  9. 79.00 - 81.00mm 5 items
  10. 84.00 - 86.00mm 5 items
  11. 85.00 - 87.00mm 3 items
  12. 87.00 - 89.00mm 1 item
  13. 89.00 - 91.00mm 2 items
  14. 93.00 - 95.00mm 4 items
  15. 97.00 - 99.00mm 1 item
  16. 99.00 - 101.00mm 8 items
  17. 102.00 - 104.00mm 1 item
  18. 109.00 - 111.00mm 6 items
  19. 110.00 - 112.00mm 3 items
  20. 111.00 - 113.00mm 4 items
  21. 114.00 - 116.00mm 1 item
  22. 124.00 - 126.00mm 8 items
  23. 126.00 - 128.00mm 2 items
  24. 136.00 - 138.00mm 4 items
  25. 139.00 - 141.00mm 5 items
  26. 144.00 - 146.00mm 2 items
  27. 149.00 - 151.00mm 4 items
  28. 151.00 - 153.00mm 3 items
  29. 159.00 - 161.00mm 1 item
  30. 161.00 - 163.00mm 3 items
  31. 164.00 - 166.00mm 5 items
  32. 174.00 - 176.00mm 2 items
  33. 189.00 - 191.00mm 2 items
  34. 199.00 - 201.00mm 1 item
  35. 219.00 - 221.00mm 3 items
  36. 249.00 - 251.00mm 1 item
  37. 294.00 - 296.00mm 2 items
  38. 369.00 - 371.00mm 1 item
  39. 374.00 - 376.00mm 1 item
  40. 419.00 - 421.00mm 1 item
  41. 424.00 - 426.00mm 1 item
  42. 454.00 - 456.00mm 1 item
  43. 504.00 - 506.00mm 1 item
  44. 554.00 - 556.00mm 1 item
  45. 604.00 - 606.00mm 1 item
  46. 709.00 - 711.00mm 1 item
Nominal Bore
  1. 13mm (1/2") 1 item
  2. 15mm (9/16") 3 items
  3. 20mm (3/4") 4 items
  4. 25mm (1") 5 items
  5. 32mm (1-1/4") 4 items
  6. 40mm (1-9/16") 5 items
  7. 51mm (2") 5 items
  8. 65mm (2-9/16") 3 items
  9. 76mm (3") 2 items
  10. 80mm (3-1/4") 2 items
  11. 90mm (3-1/2") 3 items
  12. 101mm (4") 3 items
  13. 127mm (5") 2 items
  14. 150mm (6") 3 items
  15. 200mm (8") 2 items
  16. 250mm (10") 2 items
  17. 300mm (12") 2 items
  18. 350mm (13-3/4") 1 item
  19. 400mm (15-3/4") 1 item
  20. 450mm (17-3/4") 1 item
  21. 500mm (19-3/4") 1 item
  22. 600mm (23-3/4") 1 item
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