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Browse one of the largest selections of socket products in the UK. Franciskirk.com stocks both branded and unbranded socket products, including the world leaders Unbrako & Holo-krome. Socket head caps screws such as Unbrako are made to meet or exceed industry standards, these fasteners are classified as critical application fasteners.

Our range of socket head caps screws, socket set screws, Socket Countersunk, Socket Buttons and Socket Shoulders all come in a range of sizes, grades, brands and finishes. Regardless of whether you're looking for metric or imperial fasteners we've got you covered, we're also proud to offer non standard fasteners, just because its not listed on our website doesn't mean we cannot supply it, get in touch with our specialist fastener team today.

Tip: Use the left hand side filter to find your required socket product, you can filter by diameter, length, grade, brand, thread form and finish.  

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Items 1-10 of 158

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  1. 5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,858.04 Per 100
    5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  2. 5/16-18 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-18 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £391.84 Per 100
    5/16-18 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. M20 X 80 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    M20 X 80 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    £3,876.00 Per 100
    M20 X 80 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  4. M10 X 80 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    M10 X 80 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    £69.04 Per 100
    M10 X 80 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  5. 5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £1,664.80 Per 100
    5/8-18 UNF X 3.1/2 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  6. 5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £372.54 Per 100
    5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  7. 5/16" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/16" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £500.04 Per 100
    5/16-24 UNF X 3.1/2 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  8. 5/16" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/16" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £90.06 Per 100
    5/16-18 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  9. 5/8-11 UNC X 3.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 3.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,674.98 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. 5/16-18 UNC X 3.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-18 UNC X 3.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

    £382.52 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
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Items 1-10 of 158

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  1. DIAMETER M10
  2. DIAMETER M20
  3. DIAMETER M36
  4. DIAMETER M30
  5. DIAMETER 5/8"
  6. DIAMETER 5/16"
  7. DIAMETER 1/8"
  8. LENGTH 80 MM
  9. LENGTH 430 MM
  10. LENGTH 480 MM
  11. LENGTH 560 MM
  12. LENGTH 640 MM
  13. LENGTH 650 MM
  14. LENGTH 1-1/4"
  15. LENGTH 3-1/2"
  16. LENGTH 3/16"
  17. LENGTH 35"
  18. LENGTH 6-1/2"
  19. LENGTH 3 1/2"
  20. LENGTH 1 1/8"
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Category
  1. SOCKET CAP - DIN 912 93items
  2. SOCKET COUNTERSUNK - DIN 7991 28items
  3. SOCKET BUTTON - DIN 7380 10items
  4. SOCKET SET SCREWS - DIN 916 17items
  5. SOCKET SHOULDERS - ISO 7379 9items
ISO
  1. 4762 89items
  2. 10642 23items
  3. 7380 5items
  4. 4029 4items
DIN
  1. DIN 912 90items
  2. DIN 7991 28items
  3. DIN 610 9items
  4. DIN 916 17items
  5. DIN 7984 3items
  6. DIN 7380 10items
DIAMETER
  1. M4 3items
  2. M5 16items
  3. M6 21items
  4. M8 24items
  5. M10 26items
  6. M12 27items
  7. M14 7items
  8. M16 17items
  9. M18 4items
  10. M20 17items
  11. M22 4items
  12. M24 12items
  13. M36 8items
  14. M27 4items
  15. M30 5items
  16. 10mm (M8) 1item
  17. 12mm (M10) 1item
  18. 16mm (M12) 1item
  19. 24mm (M20) 2items
  20. 20mm (M16) 1item
  21. 1" 11items
  22. 2" 2items
  23. 4" 1item
  24. 6" 1item
  25. 1/2" 51items
  26. 5/8" 49items
  27. 3/8" 54items
  28. 7/8" 12items
  29. 9/16" 1item
  30. 1-1/8" 2items
  31. 1-1/2" 2items
  32. 1-3/8" 2items
  33. 1-1/4" 3items
  34. 3/16" 4items
  35. 1/4" 41items
  36. 7/16" 27items
  37. 1-3/4" 1item
  38. 3/4" 39items
  39. 5/16" 51items
  40. #0 4items
  41. #1 3items
  42. #2 4items
  43. #3 4items
  44. #4 14items
  45. #5 8items
  46. #6 16items
  47. #8 16items
  48. #10 33items
  49. #12 2items
  50. 1/8" 2items
  51. 5/64" 2items
  52. 5/32" 1item
LENGTH
  1. 5-12" 1item
  2. 6 MM 1item
  3. 10 MM 14items
  4. 12 MM 30items
  5. 14 MM 11items
  6. 15 MM 10items
  7. 16 MM 39items
  8. 18 MM 15items
  9. 20 MM 39items
  10. 22 MM 18items
  11. 25 MM 41items
  12. 30 MM 50items
  13. 35 MM 47items
  14. 40 MM 60items
  15. 45 MM 45items
  16. 50 MM 57items
  17. 55 MM 46items
  18. 60 MM 50items
  19. 65 MM 36items
  20. 70 MM 46items
  21. 75 MM 32items
  22. 80 MM 49items
  23. 85 MM 9items
  24. 90 MM 45items
  25. 95 MM 6items
  26. 100 MM 50items
  27. 110 MM 34items
  28. 120 MM 41items
  29. 130 MM 29items
  30. 140 MM 26items
  31. 150 MM 28items
  32. 160 MM 26items
  33. 170 MM 15items
  34. 180 MM 25items
  35. 190 MM 13items
  36. 200 MM 22items
  37. 210 MM 3items
  38. 220 MM 10items
  39. 230 MM 4items
  40. 240 MM 12items
  41. 250 MM 2items
  42. 260 MM 13items
  43. 270 MM 2items
  44. 280 MM 13items
  45. 290 MM 2items
  46. 300 MM 13items
  47. 320 MM 5items
  48. 340 MM 6items
  49. 360 MM 5items
  50. 370 MM 1item
  51. 380 MM 3items
  52. 400 MM 2items
  53. 420 MM 2items
  54. 430 MM 1item
  55. 440 MM 1item
  56. 460 MM 1item
  57. 480 MM 1item
  58. 520 MM 1item
  59. 560 MM 2items
  60. 580 MM 1item
  61. 600 MM 1item
  62. 640 MM 1item
  63. 650 MM 1item
  64. 1/4" 11items
  65. 1/2" 51items
  66. 1" 74items
  67. 1-1/2" 50items
  68. 1-1/4" 56items
  69. 1-1/8" 4items
  70. 1-3/4" 43items
  71. 1-3/8" 3items
  72. 1-5/8" 3items
  73. 1-7/8" 2items
  74. 1/8" 1item
  75. 10" 4items
  76. 11" 2items
  77. 12" 3items
  78. 16" 1item
  79. 2-1/2" 39items
  80. 2-1/4" 31items
  81. 2-3/4" 25items
  82. 2" 62items
  83. 3" 44items
  84. 25" 1item
  85. 3-1/2" 26items
  86. 3-1/4" 14items
  87. 3-3/4" 5items
  88. 3/16" 2items
  89. 4" 33items
  90. 5" 21items
  91. 6" 14items
  92. 7" 8items
  93. 8" 7items
  94. 9" 2items
  95. 3/4" 60items
  96. 3/8" 27items
  97. 35" 1item
  98. 4-1/2" 15items
  99. 4-1/4" 2items
  100. 4-3/4" 3items
  101. 20" 1item
  102. 30" 1item
  103. 40" 1item
  104. 5-1/2" 8items
  105. 5/16" 17items
  106. 5/8" 52items
  107. 6-1/2" 6items
  108. 7-1/2" 2items
  109. 7/16" 4items
  110. 7/8" 34items
  111. 8-1/2" 2items
  112. 15/16" 1item
  113. 13/16" 1item
  114. 1 1/4" 15items
  115. 1 1/2" 16items
  116. 1 3/4" 12items
  117. 2 1/4" 8items
  118. 2 1/2" 14items
  119. 3 1/2" 12items
  120. 4 1/2" 6items
  121. 5 1/2" 3items
  122. 2 3/4" 6items
  123. 3 1/4" 2items
  124. 3 3/4" 1item
  125. 1 7/8" 1item
  126. 4 3/4" 1item
BRAND
  1. HOLO-KROME 25items
  2. IMPORTED 104items
  3. UNBRAKO 29items
THREAD FORM
  1. METRIC 56items
  2. IMPERIAL 1item
  3. UNF 28items
  4. BSF 2items
  5. UNC 58items
  6. BSW 13items
SURFACE TREATMENT
  1. SELF COLOUR 117items
  2. ZINC 11items
  3. A4 - STAINLESS STEEL 13items
  4. A2 - STAINLESS STEEL 17items
MATERIAL
  1. STEEL 158items
GRADE
  1. GRADE 8.8 3items
  2. GRADE 10.9 17items
  3. GRADE 12.9 95items
  4. GRADE 14.9 12items
  5. A2 3items
  6. A4 1item
  7. A4-70 2items
  8. A4-80 2items
DRIVING FEATURES
  1. HEXAGON SOCKET 158items
HEAD SHAPE
  1. COUNTERSUNK HEAD 21items
  2. CYLINDRICAL HEAD 94items
  3. BUTTON HEAD 10items
THREAD DIRECTION
  1. RIGHT 158items
THREAD PITCH
  1. STANDARD 148items
  2. FINE 1item