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Find the right nuts for your project at Bolt & Nut Australia. We stock 1,200+ industrial nuts online — hex, Nyloc, flange, dome, wing, cage, channel, K0 structural and more. Available in stainless A2-70 G304 and A4-70 G316 marine, galvanised, zinc plate, brass and nylon. Order online for same-day Brisbane dispatch and free delivery Australia-wide.

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Category
System of Measurement
  1. Metric 245 items
  2. Imperial 5 items
Size
  1. M3 (3mm) 16 items
  2. M4 (4mm) 43 items
  3. M5 (5mm) 43 items
  4. M6 (6mm) 48 items
  5. M8 (8mm) 45 items
  6. M10 (10mm) 35 items
  7. M12 (12mm) 15 items
  8. 3/16" (#10-24) 1 item
  9. 1/4" 2 items
  10. 5/16" 1 item
  11. 3/8" 1 item
Size & Thread Pitch
  1. M3 x 0.50p Coarse 16 items
  2. M4 x 0.70p Coarse 43 items
  3. M5 x 0.80p Coarse 43 items
  4. M6 x 1.00p Coarse 48 items
  5. M8 x 1.25p Coarse 45 items
  6. M10 x 1.50p Coarse 35 items
  7. M12 x 1.75p Coarse 15 items
  8. 3/16" (#10-24) x 24 TPI UNC 1 item
  9. 1/4" x 20 TPI UNC 2 items
  10. 5/16" x 18 TPI UNC 1 item
  11. 3/8" x 16 TPI UNC 1 item
Thread Type
  1. Metric - Coarse 245 items
  2. UNC / BSW - Coarse 5 items
Material / Finish
  1. Aluminium 31 items
  2. Rubber 16 items
  3. Stainless Steel 86 items
  4. Zinc Silver Plated 117 items
Class / Grade
  1. A2-70 G304 60 items
  2. A4-70 G316 26 items
  3. Low Tensile Class 4.6 148 items
Corrosion Protection Level
  1. Ultimate 57 items
  2. Excellent 76 items
  3. Moderate 117 items
Head Type
  1. Countersunk Head 105 items
  2. Large Flange Head 120 items
  3. Thin Large Flange Head 25 items
Body Type
  1. Full Hex Closed 2 items
  2. Full Hex Open 23 items
  3. Half Hex Closed 5 items
  4. Half Hex Open 16 items
  5. Round Closed 9 items
  6. Round Open 195 items
Head Diameter
  1. 5.30mm 1 item
  2. 5.50mm 1 item
  3. 5.70mm 1 item
  4. 6.00mm 7 items
  5. 6.50mm 2 items
  6. 6.80mm 1 item
  7. 7.00mm 15 items
  8. 7.10mm 1 item
  9. 7.60mm 2 items
  10. 8.00mm 20 items
  11. 8.10mm 1 item
  12. 9.00mm 16 items
  13. 9.90mm 3 items
  14. 10.00mm 33 items
  15. 10.50mm 6 items
  16. 11.00mm 3 items
  17. 11.50mm 2 items
  18. 11.90mm 2 items
  19. 12.00mm 25 items
  20. 12.50mm 2 items
  21. 12.70mm 8 items
  22. 13.00mm 7 items
  23. 13.50mm 1 item
  24. 14.00mm 8 items
  25. 14.20mm 5 items
  26. 14.50mm 7 items
  27. 15.00mm 7 items
  28. 15.90mm 2 items
  29. 16.00mm 11 items
  30. 16.30mm 1 item
  31. 16.50mm 3 items
  32. 17.00mm 10 items
  33. 17.20mm 2 items
  34. 17.40mm 10 items
  35. 18.00mm 2 items
  36. 19.00mm 7 items
  37. 19.10mm 1 item
  38. 20.00mm 1 item
  39. 20.50mm 1 item
  40. 21.50mm 1 item
  41. 21.70mm 1 item
  42. 22.00mm 6 items
  43. 22.30mm 1 item
  44. 22.50mm 1 item
  45. 23.00mm 1 item
  46. 27.00mm 1 item
Max Grip Range
  1. 1.50mm 8 items
  2. 2.00mm 16 items
  3. 2.50mm 31 items
  4. 2.80mm 1 item
  5. 3.00mm 60 items
  6. 3.30mm 4 items
  7. 3.50mm 19 items
  8. 3.80mm 6 items
  9. 4.00mm 26 items
  10. 4.20mm 3 items
  11. 4.45mm 1 item
  12. 4.50mm 9 items
  13. 4.70mm 4 items
  14. 4.90mm 1 item
  15. 5.00mm 10 items
  16. 5.10mm 1 item
  17. 5.50mm 9 items
  18. 5.70mm 1 item
  19. 6.00mm 12 items
  20. 6.50mm 2 items
  21. 6.60mm 2 items
  22. 7.10mm 3 items
  23. 7.90mm 4 items
  24. 8.10mm 1 item
  25. 8.90mm 1 item
  26. 9.50mm 3 items
  27. 11.50mm 1 item
  28. 12.70mm 3 items
  29. 13.00mm 1 item
  30. 15.00mm 1 item
  31. 16.00mm 1 item
  32. 18.00mm 1 item
  33. 23.00mm 1 item
  34. 39.00mm 1 item
  35. 40.00mm 1 item
  36. 64.00mm 1 item
Recommended Hole Size
  1. 4.80mm 2 items
  2. 5.00mm 12 items
  3. 6.00mm 33 items
  4. 6.20mm 1 item
  5. 6.40mm 2 items
  6. 6.80mm 3 items
  7. 7.00mm 33 items
  8. 7.20mm 2 items
  9. 7.50mm 4 items
  10. 7.60mm 4 items
  11. 8.00mm 4 items
  12. 9.00mm 35 items
  13. 9.60mm 2 items
  14. 9.70mm 2 items
  15. 10.00mm 7 items
  16. 10.60mm 2 items
  17. 11.00mm 37 items
  18. 12.70mm 2 items
  19. 12.80mm 3 items
  20. 13.00mm 29 items
  21. 13.10mm 1 item
  22. 13.50mm 10 items
  23. 15.10mm 1 item
  24. 16.00mm 12 items
  25. 17.45mm 3 items
  26. 18.10mm 2 items
  27. 20.10mm 1 item
  28. 24.10mm 1 item
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