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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 119

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  1. 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
  2. 1/4-28 UNF X 1.3/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/4-28 UNF X 1.3/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £347.40 Per 100
    1/4-28 UNF X 1.3/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. 1/4-20 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/4-20 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £211.16 Per 100
    1/4-20 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  4. 1/4-20 UNC X 1.3/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/4-20 UNC X 1.3/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £60.00 Per 100
    1/4-20 UNC X 1.3/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  5. 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
  6. M24 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M24 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £1,099.64 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  7. M24 X 60 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M24 X 60 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £1,026.06 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  8. M8 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M8 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £32.46 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  9. M8 X 60 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M8 X 60 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £28.82 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. M5 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M5 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £14.90 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
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Items 1-10 of 119

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  1. DIAMETER M5
  2. DIAMETER M8
  3. DIAMETER M24
  4. DIAMETER 12mm (M10)
  5. DIAMETER 1/4"
  6. DIAMETER 5/16"
  7. LENGTH 33\"
  8. LENGTH 4 MM
  9. LENGTH 5 MM
  10. LENGTH 15 MM
  11. LENGTH 60 MM
  12. LENGTH 65 MM
  13. LENGTH 210 MM
  14. LENGTH 440 MM
  15. LENGTH 1-5/8"
  16. LENGTH 12"
  17. LENGTH 3-3/4"
  18. LENGTH 9/16"
  19. LENGTH 3 1/2"
  20. LENGTH 1 3/8"
  21. SURFACE TREATMENT SELF COLOUR
  22. SURFACE TREATMENT A4 - STAINLESS STEEL
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Category
  1. SOCKET CAP - DIN 912 60items
  2. SOCKET COUNTERSUNK - DIN 7991 19items
  3. SOCKET BUTTON - DIN 7380 20items
  4. SOCKET SET SCREWS - DIN 916 14items
  5. SOCKET SHOULDERS - ISO 7379 4items
ISO
  1. 4762 54items
  2. 10642 19items
  3. 7380 10items
  4. 4029 5items
  5. 4026 2items
DIN
  1. DIN 912 55items
  2. DIN 7991 19items
  3. DIN 610 4items
  4. DIN 916 12items
  5. DIN 7984 5items
  6. DIN 913 2items
  7. DIN 7380 20items
DIAMETER
  1. M1.4 2items
  2. M1.6 6items
  3. M2 16items
  4. M2.5 13items
  5. M3 41items
  6. M3.5 3items
  7. M4 50items
  8. M5 45items
  9. M6 41items
  10. M8 42items
  11. M10 42items
  12. M12 35items
  13. M14 13items
  14. M16 28items
  15. M18 6items
  16. M20 21items
  17. M22 4items
  18. M24 16items
  19. M36 1item
  20. M27 4items
  21. M30 5items
  22. 6mm (M5) 1item
  23. 8mm (M6) 1item
  24. 10mm (M8) 1item
  25. 12mm (M10) 1item
  26. 24mm (M20) 2items
  27. 1" 2items
  28. 1/2" 13items
  29. 5/8" 8items
  30. 3/8" 8items
  31. 7/8" 1item
  32. 1-1/8" 1item
  33. 1-1/2" 2items
  34. 1-1/4" 1item
  35. 3/16" 1item
  36. 1/4" 9items
  37. 7/16" 2items
  38. 1-3/4" 1item
  39. 3/4" 10items
  40. 5/16" 6items
  41. #1 1item
  42. #2 1item
  43. #4 1item
  44. #6 1item
  45. #10 4items
  46. 1/8" 1item
  47. 5/64" 1item
  48. 5/32" 1item
  49. 7/32" 2items
LENGTH
  1. 5-12" 1item
  2. 4 MM 1item
  3. 5 MM 11items
  4. 6 MM 21items
  5. 8 MM 41items
  6. 10 MM 54items
  7. 12 MM 55items
  8. 14 MM 22items
  9. 15 MM 27items
  10. 16 MM 58items
  11. 18 MM 25items
  12. 20 MM 54items
  13. 22 MM 20items
  14. 25 MM 52items
  15. 30 MM 49items
  16. 35 MM 39items
  17. 40 MM 51items
  18. 45 MM 39items
  19. 50 MM 45items
  20. 55 MM 32items
  21. 60 MM 37items
  22. 65 MM 25items
  23. 70 MM 32items
  24. 75 MM 23items
  25. 80 MM 31items
  26. 85 MM 4items
  27. 90 MM 23items
  28. 95 MM 3items
  29. 100 MM 25items
  30. 110 MM 18items
  31. 120 MM 17items
  32. 130 MM 15items
  33. 140 MM 13items
  34. 150 MM 12items
  35. 160 MM 10items
  36. 170 MM 6items
  37. 180 MM 9items
  38. 190 MM 4items
  39. 200 MM 9items
  40. 210 MM 2items
  41. 220 MM 4items
  42. 230 MM 1item
  43. 240 MM 5items
  44. 250 MM 3items
  45. 260 MM 5items
  46. 270 MM 3items
  47. 280 MM 5items
  48. 290 MM 2items
  49. 300 MM 5items
  50. 320 MM 2items
  51. 340 MM 2items
  52. 350 MM 1item
  53. 360 MM 1item
  54. 380 MM 2items
  55. 400 MM 1item
  56. 1/4" 32items
  57. 1/2" 81items
  58. 1" 75items
  59. 1-1/2" 49items
  60. 1-1/4" 51items
  61. 1-1/8" 7items
  62. 1-3/4" 39items
  63. 1-3/8" 4items
  64. 1-5/8" 4items
  65. 1-7/8" 2items
  66. 10" 2items
  67. 11/16" 1item
  68. 12" 1item
  69. 14" 1item
  70. 15" 1item
  71. 2-1/2" 29items
  72. 2-1/4" 28items
  73. 2-3/4" 23items
  74. 2-3/8" 1item
  75. 2" 46items
  76. 3" 30items
  77. 25" 2items
  78. 3-1/2" 15items
  79. 3-1/4" 11items
  80. 3-3/4" 4items
  81. 3/16" 5items
  82. 4" 16items
  83. 5" 7items
  84. 6" 5items
  85. 7" 1item
  86. 8" 2items
  87. 3/4" 84items
  88. 3/8" 58items
  89. 35" 1item
  90. 4-1/2" 6items
  91. 4-3/4" 1item
  92. 20" 1item
  93. 30" 1item
  94. 40" 2items
  95. 60" 1item
  96. 5-1/2" 3items
  97. 5/16" 31items
  98. 5/8" 77items
  99. 6-1/2" 2items
  100. 7/16" 10items
  101. 7/8" 44items
  102. 9/16" 2items
  103. 15/16" 1item
  104. 0.984 1item
  105. 1 1/4" 8items
  106. 1 1/2" 8items
  107. 1 3/4" 6items
  108. 2 1/4" 5items
  109. 2 1/2" 6items
  110. 3 1/2" 3items
  111. 4 1/2" 2items
  112. 5 1/2" 1item
  113. 2 3/4" 1item
  114. 1 1/8" 1item
  115. 1 3/8" 2items
BRAND
  1. HOLO-KROME 20items
  2. IMPORTED 77items
  3. UNBRAKO 22items
THREAD FORM
  1. METRIC 104items
  2. IMPERIAL 2items
  3. UNF 2items
  4. UNC 11items
SURFACE TREATMENT
  1. SELF COLOUR 84items
  2. ZINC 15items
  3. A4 - STAINLESS STEEL 35items
  4. A2 - STAINLESS STEEL 44items
MATERIAL
  1. STEEL 119items
GRADE
  1. GRADE 8.8 1item
  2. GRADE 10.9 18items
  3. GRADE 12.9 55items
  4. GRADE 14.9 8items
  5. A4 3items
  6. A4-70 5items
  7. A4-80 6items
DRIVING FEATURES
  1. HEXAGON SOCKET 119items
HEAD SHAPE
  1. COUNTERSUNK HEAD 13items
  2. CYLINDRICAL HEAD 60items
  3. BUTTON HEAD 20items
THREAD DIRECTION
  1. RIGHT 119items
THREAD PITCH
  1. STANDARD 111items
  2. FINE 1item