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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 284

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  1. 1/2-13 UNC X 6 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 6 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,886.62 Per 100
    1/2-13 UNC X 6 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  2. 5/16-24 UNF X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-24 UNF X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £379.58 Per 100
    5/16-24 UNF X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. 5/16-24 UNF X 5/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-24 UNF X 5/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £329.42 Per 100
    5/16-24 UNF X 5/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  4. 5/16-18 UNC X 6 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-18 UNC X 6 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,225.80 Per 100
    5/16-18 UNC X 6 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  5. 5/16-18 UNC X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-18 UNC X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £52.96 Per 100
    5/16-18 UNC X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  6. 5/16-18 UNC X 5/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-18 UNC X 5/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £35.08 Per 100
    5/16-18 UNC X 5/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  7. 1/2" x 6" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    1/2" x 6" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £3,371.80 Per 100
    1/2-20 UNF X 6 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  8. 1/2" x 6" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    1/2" x 6" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £511.08 Per 100
    1/2-13 UNC X 6 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  9. 1/2" x 7/8" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    1/2" x 7/8" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £105.48 Per 100
    1/2-13 UNC X 7/8 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. 1/2" x 5/8" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

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

    £145.60 Per 100
    1/2-13 UNC X 5/8 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
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Items 1-10 of 284

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  1. DIN DIN 912
  2. DIN DIN 916
  3. DIAMETER M2
  4. DIAMETER M4
  5. DIAMETER M12
  6. DIAMETER M14
  7. DIAMETER M20
  8. DIAMETER 6"
  9. DIAMETER 1/2"
  10. DIAMETER 1-1/4'
  11. DIAMETER 5/16"
  12. DIAMETER #8
  13. DIAMETER #10
  14. LENGTH 5 MM
  15. LENGTH 16 MM
  16. LENGTH 55 MM
  17. LENGTH 160 MM
  18. LENGTH 200 MM
  19. LENGTH 300 MM
  20. LENGTH 1/8"
  21. LENGTH 6"
  22. LENGTH 5/16"
  23. LENGTH 5/8"
  24. LENGTH 6-1/4"
  25. LENGTH 7/16"
  26. LENGTH 7/8"
  27. LENGTH 4 3/4"
  28. DRIVING FEATURES HEXAGON SOCKET
  29. THREAD DIRECTION RIGHT
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Category
  1. SOCKET CAP - DIN 912 195items
  2. SOCKET SET SCREWS - DIN 916 89items
ISO
  1. 4762 191items
  2. 4029 27items
DIN
  1. DIN 912 195items
  2. DIN 7991 76items
  3. DIN 610 8items
  4. DIN 916 89items
  5. DIN 7984 8items
  6. DIN 913 12items
  7. DIN 7380 64items
DIAMETER
  1. M1.4 4items
  2. M1.6 5items
  3. M2 9items
  4. M2.5 9items
  5. M3 23items
  6. M3.5 4items
  7. M4 30items
  8. M5 33items
  9. M6 28items
  10. M8 39items
  11. M10 46items
  12. M12 40items
  13. M14 13items
  14. M16 30items
  15. M18 6items
  16. M20 23items
  17. M22 7items
  18. M24 22items
  19. M36 8items
  20. M42 1item
  21. M27 11items
  22. M30 16items
  23. 1" 6items
  24. 2" 5items
  25. 4" 1item
  26. 6" 5items
  27. 1/2" 32items
  28. 5/8" 14items
  29. 3/8" 47items
  30. 7/8" 7items
  31. 9/16" 1item
  32. 1-1/8" 1item
  33. 1-1/2" 1item
  34. 1-1/4" 2items
  35. 3/16" 6items
  36. 1/4" 59items
  37. 7/16" 12items
  38. 3/4" 11items
  39. 5/16" 61items
  40. #0 3items
  41. #1 4items
  42. #2 11items
  43. #3 7items
  44. #4 24items
  45. #5 16items
  46. #6 33items
  47. #8 34items
  48. #10 37items
  49. #12 3items
  50. 1/8" 1item
  51. 5/32" 1item
LENGTH
  1. 5-12" 1item
  2. 2 MM 1item
  3. 2.5 MM 1item
  4. 3 MM 6items
  5. 4 MM 15items
  6. 5 MM 19items
  7. 6 MM 21items
  8. 7 MM 1item
  9. 8 MM 22items
  10. 10 MM 21items
  11. 12 MM 30items
  12. 14 MM 11items
  13. 15 MM 8items
  14. 16 MM 30items
  15. 18 MM 12items
  16. 20 MM 39items
  17. 22 MM 12items
  18. 25 MM 36items
  19. 30 MM 43items
  20. 35 MM 40items
  21. 40 MM 43items
  22. 45 MM 37items
  23. 50 MM 43items
  24. 55 MM 32items
  25. 60 MM 38items
  26. 65 MM 28items
  27. 70 MM 30items
  28. 75 MM 24items
  29. 80 MM 30items
  30. 85 MM 12items
  31. 90 MM 29items
  32. 95 MM 7items
  33. 100 MM 30items
  34. 110 MM 23items
  35. 120 MM 24items
  36. 125 MM 1item
  37. 130 MM 17items
  38. 140 MM 16items
  39. 150 MM 18items
  40. 160 MM 14items
  41. 170 MM 9items
  42. 180 MM 14items
  43. 190 MM 10items
  44. 200 MM 13items
  45. 210 MM 3items
  46. 220 MM 6items
  47. 230 MM 4items
  48. 240 MM 8items
  49. 250 MM 3items
  50. 260 MM 9items
  51. 270 MM 2items
  52. 280 MM 7items
  53. 290 MM 2items
  54. 300 MM 7items
  55. 320 MM 2items
  56. 340 MM 2items
  57. 360 MM 1item
  58. 370 MM 1item
  59. 430 MM 1item
  60. 1/4" 33items
  61. 1/2" 65items
  62. 1" 71items
  63. 1-1/2" 49items
  64. 1-1/4" 56items
  65. 1-1/8" 5items
  66. 1-3/4" 38items
  67. 1-3/8" 5items
  68. 1-5/8" 4items
  69. 1-7/8" 1item
  70. 1/8" 6items
  71. 10" 5items
  72. 11" 2items
  73. 11/16" 1item
  74. 12" 4items
  75. 14" 1item
  76. 15" 1item
  77. 16" 1item
  78. 2-1/2" 36items
  79. 2-1/4" 29items
  80. 2-3/4" 22items
  81. 2-3/8" 2items
  82. 2" 51items
  83. 3" 35items
  84. 3-1/2" 23items
  85. 3-1/4" 13items
  86. 3-3/4" 7items
  87. 3/16" 16items
  88. 4" 25items
  89. 5" 17items
  90. 6" 15items
  91. 7" 5items
  92. 8" 8items
  93. 9" 3items
  94. 3/4" 75items
  95. 3/8" 44items
  96. 4-1/2" 10items
  97. 4-1/4" 2items
  98. 4-3/4" 2items
  99. 5-1/2" 9items
  100. 5-1/4" 2items
  101. 5-3/4" 1item
  102. 5/16" 33items
  103. 5/8" 60items
  104. 6-1/2" 5items
  105. 6-1/4" 1item
  106. 7-1/2" 2items
  107. 7/16" 12items
  108. 7/8" 41items
  109. 8-1/2" 2items
  110. 9/16" 2items
  111. 1 1/4" 7items
  112. 1 1/2" 8items
  113. 1 3/4" 6items
  114. 2 1/4" 6items
  115. 2 1/2" 7items
  116. 3 1/2" 6items
  117. 4 1/2" 5items
  118. 5 1/2" 4items
  119. 2 3/4" 6items
  120. 1 3/8" 1item
  121. 3 1/4" 4items
  122. 3 3/4" 4items
  123. 1 7/8" 1item
  124. 4 3/4" 1item
  125. 6 1/2" 1item
BRAND
  1. HOLO-KROME 48items
  2. IMPORTED 196items
  3. UNBRAKO 40items
THREAD FORM
  1. METRIC 115items
  2. UNF 46items
  3. BSF 4items
  4. UNC 104items
  5. BSW 10items
  6. BA 5items
SURFACE TREATMENT
  1. SELF COLOUR 209items
  2. ZINC 19items
  3. A4 - STAINLESS STEEL 30items
  4. A2 - STAINLESS STEEL 26items
MATERIAL
  1. STEEL 284items
GRADE
  1. GRADE 8.8 7items
  2. GRADE 10.9 1item
  3. GRADE 12.9 156items
  4. GRADE 14.9 64items
  5. A2 16items
  6. A4 5items
  7. A4-70 11items
  8. A4-80 8items
DRIVING FEATURES
  1. HEXAGON SOCKET 284items
HEAD SHAPE
  1. CYLINDRICAL HEAD 179items
THREAD DIRECTION
  1. RIGHT 284items
THREAD PITCH
  1. STANDARD 283items
  2. FINE 1item