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Button Head Socket

Button Head Socket

Bolt and Nut Australia carry the largest range of Button head socket screws. Button head socket screws have a dome shaped head with a flat underside, a hex allen drive and are fully threaded. To determine the length measure from under the head. Button head socket screws are made from high tensile steel and are very popular because of their excellent tensile strength, hex allen key drive and low profile head shape. We have Stainless Steel A2-70 G304, Marine Grade Stainless Steel A4-70 G316 , Zinc Plated and Plain Black in Metric coarse, Metric fine, American Inch threads UNC (unified national coarse), UNF (unified national fine) and BSW (british standard whitworth). Technical specifications, printable datasheets and product cad drawings available online. Delivered freight free from our Brisbane warehouse with no minimum order qty or spend.

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  1. Free shipping

    In stock

    M6 x 1.00p Metric Coarse Zinc Class 12.9 Button Head Socket (4mm Key) Screws ISO 7380
    M6 x 1.00p Metric Coarse Zinc Class 12.9 Button Head Socket (4mm Key) Screws ISO 7380
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

    - +
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  2. Free shipping

    In stock

    M6 x 1.00p Metric Coarse Plain Black Uncoated Class 12.9 Button Head Socket (4mm Key) Screws ISO 7380
    M6 x 1.00p Metric Coarse Plain Black Uncoated Class 12.9 Button Head Socket (4mm Key) Screws ISO 7380
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

    - +
    View Specs
  3. Free shipping

    In stock

    M8 x 1.25p Metric Coarse Zinc Class 12.9 Button Head Socket (5mm Key) Screws ISO 7380
    M8 x 1.25p Metric Coarse Zinc Class 12.9 Button Head Socket (5mm Key) Screws ISO 7380
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  4. Free shipping

    In stock

    M8 x 1.25p Metric Coarse Plain Black Uncoated Class 12.9 Button Head Socket (5mm Key) Screws ISO 7380
    M8 x 1.25p Metric Coarse Plain Black Uncoated Class 12.9 Button Head Socket (5mm Key) Screws ISO 7380
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  5. Free shipping

    In stock

    #2-56 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (0.050" Key) Screws ANSI B18.3
    #2-56 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (0.050" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

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  6. Free shipping

    In stock

    #2-56 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (0.050" Key) Screws ANSI B 18.3
    #2-56 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (0.050" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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  7. Free shipping

    In stock

    #4-40 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (1/16" Key) Screws ANSI B18.3
    #4-40 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (1/16" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

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  8. Free shipping

    In stock

    #4-40 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (1/16" Key) Screws ANSI B 18.3
    #4-40 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (1/16" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

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  9. Free shipping

    In stock

    #5-40 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (5/64" Key) Screws ANSI B18.3
    #5-40 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (5/64" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

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  10. Free shipping

    In stock

    #5-40 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (5/64" Key) Screws ANSI B 18.3
    #5-40 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (5/64" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  11. Free shipping

    In stock

    #6-32 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (5/64" Key) Screws ANSI B18.3
    #6-32 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (5/64" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  12. Free shipping

    In stock

    #6-32 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (5/64" Key) Screws ANSI B 18.3
    #6-32 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (5/64" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

    - +
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  13. Free shipping

    In stock

    #8-32 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (3/32" Key) Screws ANSI B18.3
    #8-32 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (3/32" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  14. Free shipping

    In stock

    #8-32 TPI UNC Coarse Zinc Plated Grade 10.9 Button Head Socket (3/32" Key) Screws ANSI B 18.3
    #8-32 TPI UNC Coarse Zinc Plated Grade 10.9 Button Head Socket (3/32" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  15. Free shipping

    In stock

    #8-32 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (3/32" Key) Screws ANSI B 18.3
    #8-32 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (3/32" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  16. Free shipping

    In stock

    #10-24 (3/16") x 24 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (1/8" Key) Screws ANSI B18.3
    #10-24 (3/16") x 24 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (1/8" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

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  17. Free shipping

    In stock

    #10-24 (3/16") x 24 TPI UNC Coarse Zinc Plated Grade 10.9 Button Head Socket (1/8" Key) Screws ANSI B 18.3
    #10-24 (3/16") x 24 TPI UNC Coarse Zinc Plated Grade 10.9 Button Head Socket (1/8" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  18. Free shipping

    In stock

    #10-24 (3/16") x 24 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (1/8" Key) Screws ANSI B 18.3
    #10-24 (3/16") x 24 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (1/8" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  19. Free shipping

    In stock

    #10-32 (3/16") x 32 TPI UNF Fine Stainless A2-70 G304 Button Head Socket (1/8" Key) Screws ANSI B18.3
    #10-32 (3/16") x 32 TPI UNF Fine Stainless A2-70 G304 Button Head Socket (1/8" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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    View Specs
  20. Free shipping

    In stock

    #10-32 (3/16") x 32 TPI UNF Fine Plain Black Uncoated Grade 10.9 Button Head Socket (1/8" Key) Screws ANSI B 18.3
    #10-32 (3/16") x 32 TPI UNF Fine Plain Black Uncoated Grade 10.9 Button Head Socket (1/8" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  21. Free shipping

    In stock

    1/4" x 20 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (5/32" Key) Screws ANSI B18.3
    1/4" x 20 TPI UNC Coarse Stainless A2-70 G304 Button Head Socket (5/32" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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    View Specs
  22. Free shipping

    In stock

    1/4" x 20 TPI UNC Coarse Zinc Plated Grade 10.9 Button Head Socket (5/32" Key) Screws ANSI B 18.3
    1/4" x 20 TPI UNC Coarse Zinc Plated Grade 10.9 Button Head Socket (5/32" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  23. Free shipping

    In stock

    1/4" x 20 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (5/32" Key) Screws ANSI B 18.3
    1/4" x 20 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Button Head Socket (5/32" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

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  24. Free shipping

    In stock

    1/4" x 28 TPI UNF Fine Stainless A2-70 G304 Button Head Socket (5/32" Key) Screws ANSI B18.3
    1/4" x 28 TPI UNF Fine Stainless A2-70 G304 Button Head Socket (5/32" Key) Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

    Discount of % applied

    SKU:

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  25. Free shipping

    In stock

    1/4" x 28 TPI UNF Fine Plain Black Uncoated Grade 10.9 Button Head Socket (5/32" Key) Screws ANSI B 18.3
    1/4" x 28 TPI UNF Fine Plain Black Uncoated Grade 10.9 Button Head Socket (5/32" Key) Screws ANSI B 18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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    SKU:

    - +
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View as Grid List

25 Items found

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Set Descending Direction

Use Filter By to help narrow your search. Search by category, size, length, head type, material / finish, class / grade, drive type and drive size etc. Using the filters can give you results that match your criteria, reducing the need to scroll through pages of unrelated items.

Filter by :
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  1. Length
    75mm
  2. Length
    3/8"
Clear All
Filter By
Category
System of Measurement
  1. Metric 4 items
  2. Imperial 21 items
Size
  1. M6 (6mm) 2 items
  2. M8 (8mm) 2 items
  3. #2-56 2 items
  4. #4-40 2 items
  5. #5-40 2 items
  6. #6-32 2 items
  7. #8-32 3 items
  8. #10-24 (3/16") 3 items
  9. #10-32 (3/16") 2 items
  10. 1/4" 5 items
Size & Thread Pitch
  1. M6 x 1.00p Coarse 2 items
  2. M8 x 1.25p Coarse 2 items
  3. #2-56 TPI UNC 2 items
  4. #4-40 TPI UNC 2 items
  5. #5-40 TPI UNC 2 items
  6. #6-32 TPI UNC 2 items
  7. #8-32 TPI UNC 3 items
  8. #10-24 (3/16") x 24 TPI UNC 3 items
  9. #10-32 (3/16") x 32 TPI UNF 2 items
  10. 1/4" x 20 TPI UNC 3 items
  11. 1/4" x 28 TPI UNF 2 items
Length
  1. 3mm 1 item
  2. 4mm 5 items
  3. 5mm 7 items
  4. 6mm 15 items
  5. 8mm 19 items
  6. 10mm 23 items
  7. 12mm 27 items
  8. 16mm 32 items
  9. 20mm 33 items
  10. 25mm 32 items
  11. 30mm 31 items
  12. 35mm 26 items
  13. 40mm 29 items
  14. 45mm 18 items
  15. 50mm 28 items
  16. 55mm 10 items
  17. 60mm 20 items
  18. 65mm 4 items
  19. 70mm 14 items
  20. 75mm 4 items
  21. 80mm 17 items
  22. 90mm 7 items
  23. 100mm 14 items
  24. 120mm 3 items
  25. 1/8" 3 items
  26. 3/16" 2 items
  27. 1/4" 16 items
  28. 5/16" 5 items
  29. 3/8" 21 items
  30. 1/2" 26 items
  31. 5/8" 24 items
  32. 3/4" 32 items
  33. 7/8" 5 items
  34. 1" 34 items
  35. 1-1/4" 23 items
  36. 1-1/2" 25 items
  37. 1-3/4" 1 item
  38. 2" 23 items
  39. 2-1/2" 12 items
  40. 3" 12 items
  41. 3-1/2" 3 items
  42. 4" 4 items
Material / Finish
  1. Plain Black Uncoated 11 items
  2. Stainless Steel 9 items
  3. Zinc Silver Plated 5 items
Class / Grade
  1. A2-70 G304 9 items
  2. High Tensile Grade 10.9 12 items
  3. High Tensile Class 12.9 4 items
Corrosion Protection Level
  1. Excellent 9 items
  2. Moderate 5 items
  3. Poor 11 items
Head Diameter Range
  1. 3.90 - 4.20mm 2 items
  2. 5.10 - 5.70mm 2 items
  3. 5.75 - 6.05mm 2 items
  4. 6.35 - 6.70mm 2 items
  5. 7.24 - 7.93mm 3 items
  6. 8.82 - 9.50mm 5 items
  7. 10.07 - 10.50mm 2 items
  8. 10.65 - 11.10mm 5 items
  9. 13.39 - 14.00mm 2 items
Drive Type
  1. Internal Hex 25 items
Drive Size
  1. 4mm 2 items
  2. 5mm 2 items
  3. 0.050" 2 items
  4. 1/16" 2 items
  5. 5/64" 4 items
  6. 3/32" 3 items
  7. 1/8" 5 items
  8. 5/32" 5 items
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