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Hex Standard Nut

Hex Standard Nut
Not sure what nut you have?
Two ways to identify it - whichever is easier with what is in front of you.
1If you have the nut

Find the spanner that fits it snugly, then measure the hole. Our nut identification chart lists every metric and imperial nut we stock side by side, sorted by spanner size.

Open the nut identification chart ›

2If you have its bolt

The fastest check is the male thread: the right nut spins onto its bolt by hand with no force. Identify the bolt size and pitch first with our bolt and screw guide, and the nut follows.

Open the bolt and screw guide ›

MATERIALS AND FINISHES

Available finishes: Stainless Steel, Zinc Silver Plated, Plain Black Uncoated, Galvanised, Brass, Nylon.

GRADES, SIZES AND THREADS

Grades stocked: High Tensile Class 8, A2-70 G304, A4-70 G316, High Tensile Grade 8, Low Tensile Grade 2.

Sizes: M12 (12mm), M10 (10mm), M8 (8mm), 1/2", M16 (16mm), M20 (20mm), M24 (24mm), 1/4".

Thread systems: Metric - Coarse, UNC / BSW - Coarse, UNF - Fine, Metric - Fine, BSW - Coarse, BA.

STANDARDS

AS 1112, DIN 934, AS 2465, ANSI B18.6.3, ANSI B18.2.2, AS 2451.

These hex standard nuts pair with our bolts, washers and threaded rod. See our Technical Resources page for tightening torques and spec PDFs.

WHY AUSTRALIA TRUSTS BOLT & NUT

With 15+ years selling fasteners online from Brisbane, we hold over 25,000 stock lines and 200 million pieces — 98.75% of online orders placed before 1pm leave same day. Save more as you buy more — we offer up to 13 price breaks plus 3 spend-tier discounts. Read our customer reviews or get in touch if you need help picking the right product.

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Hex standard full nuts are the most common nut on the planet — the default mate for any externally threaded fastener: anchors, bolts, screws, studs and threaded rod. Six flats give clean spanner or socket grip, and our range spans M3 to M48 metric, 1/8" to 2" imperial, low-tensile Class 4.6 through high-tensile Class 8 carbon steel, A2-70 G304 and A4-70 G316 stainless, brass and nylon. We stock 313+ variants across the hex standard nut range.

TECHNICAL RESOURCES

Need help identifying your nut? See our guide to identifying the size of your nut.

For full sizing data and standards, see our Technical PDFs library.

Filter by :
Filter By
Category
System of Measurement
  1. Metric 177 items
  2. Imperial 157 items
Size
  1. M1.6 (1.6mm) 1 item
  2. M2 (2mm) 2 items
  3. M2.5 (2.5mm) 4 items
  4. M3 (3mm) 6 items
  5. M3.5 (3.5mm) 2 items
  6. M4 (4mm) 7 items
  7. M5 (5mm) 8 items
  8. M6 (6mm) 11 items
  9. M7 (7mm) 2 items
  10. M8 (8mm) 15 items
  11. M10 (10mm) 16 items
  12. M12 (12mm) 17 items
  13. M14 (14mm) 7 items
  14. M16 (16mm) 14 items
  15. M18 (18mm) 8 items
  16. M20 (20mm) 12 items
  17. M22 (22mm) 6 items
  18. M24 (24mm) 12 items
  19. M27 (27mm) 4 items
  20. M30 (30mm) 7 items
  21. M33 (33mm) 3 items
  22. M36 (36mm) 5 items
  23. M39 (39mm) 1 item
  24. M42 (42mm) 3 items
  25. M48 (48mm) 1 item
  26. M56 (56mm) 1 item
  27. M64 (64mm) 1 item
  28. M72 (72mm) 1 item
  29. #0-80 1 item
  30. #1-72 1 item
  31. 6BA 2 items
  32. #2-56 1 item
  33. #2-64 1 item
  34. #3-48 1 item
  35. #3-56 1 item
  36. #4-40 1 item
  37. #4-48 1 item
  38. #5-40 1 item
  39. #5-44 1 item
  40. 1/8" 3 items
  41. #6-32 2 items
  42. #6-40 1 item
  43. 4BA 2 items
  44. 5/32" 3 items
  45. #8-32 2 items
  46. #8-36 1 item
  47. 3/16" (#10-24) 4 items
  48. #10-24 (3/16") 2 items
  49. #10-32 (3/16") 2 items
  50. #12-24 1 item
  51. 2BA 2 items
  52. 1/4" 12 items
  53. 5/16" 12 items
  54. 3/8" 12 items
  55. 7/16" 9 items
  56. 1/2" 15 items
  57. 9/16" 6 items
  58. 5/8" 11 items
  59. 3/4" 11 items
  60. 7/8" 9 items
  61. 1" 9 items
  62. 1-1/8" 3 items
  63. 1-1/4" 4 items
  64. 1-3/8" 2 items
  65. 1-1/2" 2 items
  66. 1-3/4" 2 items
  67. 2" 1 item
Size & Thread Pitch
  1. M1.6 x 0.35p Coarse 1 item
  2. M2 x 0.40p Coarse 2 items
  3. M2.5 x 0.45p Coarse 4 items
  4. M3 x 0.50p Coarse 6 items
  5. M3.5 x 0.60p Coarse 2 items
  6. M4 x 0.70p Coarse 7 items
  7. M5 x 0.80p Coarse 8 items
  8. M6 x 1.00p Coarse 11 items
  9. M7 x 1.00p Coarse 2 items
  10. M8 x 1.00p Fine 4 items
  11. M8 x 1.25p Coarse 11 items
  12. M10 x 1.00p Extra Fine 2 items
  13. M10 x 1.25p Fine 4 items
  14. M10 x 1.50p Coarse 10 items
  15. M12 x 1.25p Extra Fine 3 items
  16. M12 x 1.50p Fine 4 items
  17. M12 x 1.75p Coarse 10 items
  18. M14 x 1.50p Fine 2 items
  19. M14 x 2.00p Coarse 5 items
  20. M16 x 1.50p Fine 4 items
  21. M16 x 2.00p Coarse 10 items
  22. M18 x 1.50p Fine 3 items
  23. M18 x 2.50p Coarse 5 items
  24. M20 x 1.50p Fine 3 items
  25. M20 x 2.50p Coarse 9 items
  26. M22 x 2.50p Coarse 6 items
  27. M24 x 1.50p Extra Fine 3 items
  28. M24 x 2.00p Fine 2 items
  29. M24 x 3.00p Coarse 7 items
  30. M27 x 3.00p Coarse 4 items
  31. M30 x 3.50p Coarse 7 items
  32. M33 x 3.50p Coarse 3 items
  33. M36 x 4.00p Coarse 5 items
  34. M39 x 4.00p Coarse 1 item
  35. M42 x 4.50p Coarse 3 items
  36. M48 x 5.00p Coarse 1 item
  37. M56 x 5.50p Coarse 1 item
  38. M64 x 6.00p Coarse 1 item
  39. M72 x 6.00p Coarse 1 item
  40. #0-80 TPI UNF 1 item
  41. #1-72 TPI UNF 1 item
  42. #2-56 TPI UNC 1 item
  43. #2-64 TPI UNF 1 item
  44. #3-48 TPI UNC 1 item
  45. #3-56 TPI UNF 1 item
  46. 6BA x 0.53p Coarse 2 items
  47. #4-40 TPI UNC 1 item
  48. #4-48 TPI UNF 1 item
  49. 1/8" x 40 TPI BSW 3 items
  50. #5-40 TPI UNC 1 item
  51. #5-44 TPI UNF 1 item
  52. 5/32" x 32 TPI BSW 3 items
  53. #6-32 TPI UNC 2 items
  54. #6-40 TPI UNF 1 item
  55. 4BA x 0.66p Coarse 2 items
  56. #8-32 TPI UNC 2 items
  57. #8-36 TPI UNF 1 item
  58. 2BA x 0.81p Coarse 2 items
  59. 3/16" (#10-24) x 24 TPI BSW 4 items
  60. #10-24 (3/16") x 24 TPI UNC 2 items
  61. #10-32 (3/16") x 32 TPI UNF 2 items
  62. #12-24 TPI UNC 1 item
  63. 1/4" x 20 TPI UNC 4 items
  64. 1/4" x 20 TPI BSW 3 items
  65. 1/4" x 26 TPI BSF 1 item
  66. 1/4" x 28 TPI UNF 4 items
  67. 5/16" x 18 TPI BSW 3 items
  68. 5/16" x 18 TPI UNC 4 items
  69. 5/16" x 22 TPI BSF 1 item
  70. 5/16" x 24 TPI UNF 4 items
  71. 3/8" x 16 TPI BSW 3 items
  72. 3/8" x 16 TPI UNC 4 items
  73. 3/8" x 20 TPI BSF 1 item
  74. 3/8" x 24 TPI UNF 4 items
  75. 7/16" x 14 TPI UNC 4 items
  76. 7/16" x 18 TPI BSF 1 item
  77. 7/16" x 20 TPI UNF 4 items
  78. 1/2" x 12 TPI BSW 5 items
  79. 1/2" x 13 TPI UNC 5 items
  80. 1/2" x 16 TPI BSF 1 item
  81. 1/2" x 20 TPI UNF 4 items
  82. 9/16" x 12 TPI UNC 4 items
  83. 9/16" x 18 TPI UNF 2 items
  84. 5/8" x 11 TPI BSW 3 items
  85. 5/8" x 11 TPI UNC 4 items
  86. 5/8" x 18 TPI UNF 4 items
  87. 3/4" x 10 TPI BSW 3 items
  88. 3/4" x 10 TPI UNC 4 items
  89. 3/4" x 16 TPI UNF 4 items
  90. 7/8" x 9 TPI BSW 1 item
  91. 7/8" x 9 TPI UNC 4 items
  92. 7/8" x 14 TPI UNF 4 items
  93. 1" x 8 TPI BSW 1 item
  94. 1" x 8 TPI UNC 4 items
  95. 1" x 12 TPI UNF 3 items
  96. 1" x 14 TPI UNF 1 item
  97. 1-1/8" x 7 TPI UNC 2 items
  98. 1-1/8" x 12 TPI UNF 1 item
  99. 1-1/4" x 7 TPI BSW 1 item
  100. 1-1/4" x 7 TPI UNC 2 items
  101. 1-1/4" x 12 TPI UNF 1 item
  102. 1-3/8" x 6 TPI UNC 1 item
  103. 1-3/8" x 12 TPI UNF 1 item
  104. 1-1/2" x 6 TPI UNC 1 item
  105. 1-1/2" x 12 TPI UNF 1 item
  106. 1-3/4" x 5 TPI UNC 1 item
  107. 1-3/4" x 12 TPI UNF 1 item
  108. 2" x 12 TPI UNF 1 item
Material / Finish
  1. Black Zinc Plated 5 items
  2. Brass 20 items
  3. Galvanised 22 items
  4. Nylon 10 items
  5. Plain Black Uncoated 39 items
  6. Stainless Steel 148 items
  7. Zinc Silver Plated 90 items
Class / Grade
  1. A2-35 G304 17 items
  2. A2-70 G304 60 items
  3. A4-40 G316 2 items
  4. A4-70 G316 53 items
  5. High Tensile A4-80 G316 16 items
  6. Low Tensile Grade 2 26 items
  7. Low Tensile Class 4.6 24 items
  8. High Tensile Class 8 83 items
  9. High Tensile Grade 8 37 items
  10. High Tensile Class 10 16 items
Corrosion Protection Level
  1. Ultimate 91 items
  2. Excellent 109 items
  3. Moderate 95 items
  4. Low 39 items
Overall Nut Height Range Guide
  1. 1.05 - 1.30mm 3 items
  2. 1.35 - 1.75mm 6 items
  3. 1.75 - 2.00mm 4 items
  4. 1.95 - 2.45mm 2 items
  5. 2.15 - 2.40mm 6 items
  6. 2.40 - 2.90mm 12 items
  7. 2.90 - 3.20mm 7 items
  8. 2.90 - 3.43mm 11 items
  9. 3.56 - 4.24mm 12 items
  10. 4.30 - 4.70mm 4 items
  11. 4.70 - 5.20mm 12 items
  12. 5.20 - 5.74mm 13 items
  13. 5.84 - 6.40mm 11 items
  14. 6.42 - 7.00mm 16 items
  15. 7.42 - 8.60mm 28 items
  16. 9.27 - 10.00mm 17 items
  17. 10.30 - 11.40mm 27 items
  18. 12.00 - 13.00mm 17 items
  19. 13.60 - 15.00mm 22 items
  20. 15.00 - 16.90mm 18 items
  21. 16.90 - 19.70mm 24 items
  22. 19.80 - 22.50mm 23 items
  23. 22.50 - 26.00mm 10 items
  24. 23.15 - 25.40mm 3 items
  25. 26.00 - 28.00mm 3 items
  26. 27.40 - 31.00mm 8 items
  27. 28.00 - 31.00mm 2 items
  28. 31.00 - 35.00mm 6 items
  29. 36.00 - 39.00mm 3 items
  30. 42.00 - 44.99mm 1 item
  31. 43.00 - 46.00mm 1 item
  32. 49.00 - 53.00mm 1 item
  33. 57.00 - 59.00mm 1 item
Spanner Size
  1. 3.2mm 1 item
  2. 5/32" 2 items
  3. 4mm 2 items
  4. 3/16" 6 items
  5. 5mm 4 items
  6. 5.5mm 6 items
  7. 15/64" 3 items
  8. 6mm 2 items
  9. 1/4" 4 items
  10. 7mm 7 items
  11. 9/32" 3 items
  12. 5/16" 7 items
  13. 8mm 8 items
  14. 11/32" 7 items
  15. 3/8" 4 items
  16. 10mm 11 items
  17. 11mm 2 items
  18. 7/16" 13 items
  19. 1/2" 8 items
  20. 13mm 15 items
  21. 9/16" 14 items
  22. 5/8" 2 items
  23. 16mm 7 items
  24. 17mm 9 items
  25. 11/16" 9 items
  26. 18mm 9 items
  27. 19mm 8 items
  28. 3/4" 12 items
  29. 21mm 4 items
  30. 22mm 3 items
  31. 7/8" 9 items
  32. 15/16" 11 items
  33. 24mm 15 items
  34. 27mm 7 items
  35. 1-1/8" 11 items
  36. 30mm 12 items
  37. 32mm 2 items
  38. 1-5/16" 9 items
  39. 34mm 4 items
  40. 36mm 12 items
  41. 1-1/2" 9 items
  42. 41mm 4 items
  43. 1-11/16" 3 items
  44. 46mm 7 items
  45. 1-7/8" 4 items
  46. 50mm 3 items
  47. 2-1/16" 2 items
  48. 55mm 5 items
  49. 2-1/4" 2 items
  50. 60mm 1 item
  51. 65mm 3 items
  52. 2-5/8" 2 items
  53. 75mm 1 item
  54. 3" 1 item
  55. 85mm 1 item
  56. 95mm 1 item
  57. 105mm 1 item
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