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Flat Round Washers

Flat Round Washers
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Find the right washers for your project at Bolt & Nut Australia. We stock a huge range of industrial washers online — flat, spring lock, mudguard, structural, tab, Nordlock, Schnorr and serrated. 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 274 items
  2. Imperial 188 items
Size
  1. M1.6 (1.6mm) 3 items
  2. M2 (2mm) 6 items
  3. M2.5 (2.5mm) 7 items
  4. M3 (3mm) 12 items
  5. M3.5 (3.5mm) 5 items
  6. M4 (4mm) 14 items
  7. M5 (5mm) 19 items
  8. M6 (6mm) 25 items
  9. M7 (7mm) 1 item
  10. M8 (8mm) 23 items
  11. M10 (10mm) 26 items
  12. M12 (12mm) 23 items
  13. M14 (14mm) 9 items
  14. M16 (16mm) 22 items
  15. M18 (18mm) 7 items
  16. M20 (20mm) 21 items
  17. M22 (22mm) 4 items
  18. M24 (24mm) 15 items
  19. M27 (27mm) 5 items
  20. M30 (30mm) 8 items
  21. M33 (33mm) 4 items
  22. M36 (36mm) 6 items
  23. M39 (39mm) 2 items
  24. M42 (42mm) 2 items
  25. M45 (45mm) 1 item
  26. M48 (48mm) 1 item
  27. M52 (52mm) 1 item
  28. M56 (56mm) 1 item
  29. M64 (64mm) 1 item
  30. 3/32" 1 item
  31. 1/8" 9 items
  32. 5/32" 8 items
  33. 8g (4.20mm) 1 item
  34. 10g (4.80mm) 1 item
  35. 3/16" (#10-24) 24 items
  36. 1/4" 29 items
  37. 5/16" 18 items
  38. 3/8" 26 items
  39. 7/16" 4 items
  40. 1/2" 14 items
  41. 9/16" 4 items
  42. 5/8" 9 items
  43. 3/4" 7 items
  44. 7/8" 6 items
  45. 1" 10 items
  46. 1-1/8" 3 items
  47. 1-1/4" 3 items
  48. 1-3/8" 1 item
  49. 1-1/2" 3 items
  50. 1-3/4" 1 item
  51. 2" 3 items
  52. 2-1/4" 1 item
  53. 2-1/2" 1 item
  54. 3" 1 item
To Suit Fastener Size
  1. M1.6 | 1-72 3 items
  2. M2 | #2 | 9BA 6 items
  3. M2.5 | #3 | 7BA 8 items
  4. M3 | 1/8" | #5 | 6BA 21 items
  5. M3.5 | #6 5 items
  6. M4 | 5/32" | 6g | 7g | 8g | #8 | 4BA 23 items
  7. M5 | 3/16" | 10g | #10 | 2BA 44 items
  8. M6 | 1/4" | 12g | 14g | #12 54 items
  9. M7 1 item
  10. M8 | 5/16" 41 items
  11. M10 26 items
  12. M10 | 3/8" 26 items
  13. 7/16" 4 items
  14. M12 | 1/2" 23 items
  15. 1/2" | 2BA 14 items
  16. M14 | 9/16" 13 items
  17. M16 | 5/8" 31 items
  18. M18 7 items
  19. M20 | 3/4" 28 items
  20. M22 | 7/8" 10 items
  21. M24 25 items
  22. M27 | 1-1/8" 8 items
  23. M30 8 items
  24. M33 | 1-1/4" 7 items
  25. M36 | 1-1/2" 10 items
  26. M39 | 1-5/8" 2 items
  27. M42 2 items
  28. M45 | 1-3/4" 2 items
  29. M48 1 item
  30. M52 | 2" 4 items
  31. M56 | 2-1/4" 2 items
  32. M64 | 2-1/2" 2 items
  33. 3" 1 item
Material / Finish
  1. Black Zinc Plated 5 items
  2. Brass 23 items
  3. Galvanised 28 items
  4. Nylon 76 items
  5. Plain Black Uncoated 8 items
  6. Stainless Steel 214 items
  7. Zinc Silver Plated 89 items
  8. Zinc Yellow Plated 19 items
Class / Grade
  1. A2-70 G304 99 items
  2. A4-70 G316 95 items
  3. High Tensile A4-80 G316 20 items
  4. Low Tensile Grade 2 65 items
  5. Low Tensile Class 4.6 76 items
  6. High Tensile Grade 8 19 items
  7. High Tensile Class 8.8 12 items
Corrosion Protection Level
  1. Ultimate 152 items
  2. Excellent 189 items
  3. Moderate 113 items
  4. Low 8 items
Inside Measurement Range Guide
  1. 1.65 - 1.90mm 3 items
  2. 2.10 - 2.40mm 6 items
  3. 2.60 - 2.90mm 7 items
  4. 2.90 - 3.05mm 1 item
  5. 3.10 - 3.60mm 12 items
  6. 3.60 - 4.00mm 14 items
  7. 4.10 - 4.70mm 23 items
  8. 5.00 - 5.75mm 44 items
  9. 6.10 - 7.10mm 25 items
  10. 6.50 - 7.50mm 29 items
  11. 7.30 - 7.80mm 1 item
  12. 8.20 - 9.30mm 41 items
  13. 9.60 - 10.40mm 2 items
  14. 10.20 - 11.70mm 50 items
  15. 11.30 - 12.60mm 4 items
  16. 12.20 - 14.00mm 37 items
  17. 14.20 - 15.60mm 10 items
  18. 15.60 - 16.60mm 3 items
  19. 16.80 - 18.60mm 31 items
  20. 18.20 - 19.60mm 6 items
  21. 19.20 - 21.10mm 2 items
  22. 20.10 - 22.50mm 27 items
  23. 22.30 - 24.50mm 10 items
  24. 24.50 - 27.50mm 24 items
  25. 27.50 - 29.50mm 5 items
  26. 29.10 - 31.80mm 2 items
  27. 31.00 - 33.00mm 7 items
  28. 33.00 - 36.00mm 10 items
  29. 36.50 - 39.00mm 5 items
  30. 39.00 - 43.00mm 7 items
  31. 44.00 - 46.00mm 2 items
  32. 47.00 - 50.00mm 2 items
  33. 51.00 - 53.00mm 1 item
  34. 53.70 - 56.00mm 4 items
  35. 61.00 - 63.00mm 2 items
  36. 67.00 - 69.50mm 1 item
  37. 69.50 - 72.00mm 1 item
  38. 79.00 - 81.00mm 1 item
Outside Dia. Range Guide
  1. 3.00 - 9.99mm 72 items
  2. 10.00 - 14.99mm 48 items
  3. 15.00 - 19.99mm 75 items
  4. 25.00 - 29.99mm 90 items
  5. 30.00 - 34.99mm 36 items
  6. 35.00 - 39.99mm 35 items
  7. 40.00 - 49.99mm 24 items
  8. 50.00 - 59.99mm 37 items
  9. 60.00 - 69.99mm 21 items
  10. 70.00 - 79.99mm 10 items
  11. 80.00 - 89.99mm 3 items
  12. 90.00 - 99.99mm 3 items
  13. 100.00 - 140.00mm 8 items
Thickness Range Guide
  1. 0.30 - 0.49mm 10 items
  2. 0.50 - 0.99mm 81 items
  3. 1.00 - 1.49mm 83 items
  4. 1.50 - 1.99mm 130 items
  5. 2.00 - 2.49mm 29 items
  6. 2.50 - 2.99mm 57 items
  7. 3.00 - 3.49mm 20 items
  8. 3.50 - 3.99mm 29 items
  9. 4.50 - 4.99mm 6 items
  10. 5.00 - 5.99mm 10 items
  11. 6.00 - 6.99mm 5 items
  12. 7.00 - 7.99mm 2 items
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