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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 253

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  1. 5/8-11 UNC X 7 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 7 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £4,624.90 Per 100
    5/8-11 UNC X 7 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  2. 5/8-11 UNC X 5.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 5.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £4,347.30 Per 100
    5/8-11 UNC X 5.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. 1/2-13 UNC X 7 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 7 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £2,567.42 Per 100
    1/2-13 UNC X 7 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  4. 1/2-13 UNC X 5.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 5.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,425.14 Per 100
    1/2-13 UNC X 5.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  5. M16 X 190 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M16 X 190 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £643.28 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  6. M16 X 35 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M16 X 35 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £95.72 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  7. M16 X 30 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M16 X 30 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £93.50 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  8. M16 X 20 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M16 X 20 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £1,178.42 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  9. M6 X 35 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M6 X 35 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £9.26 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. M6 X 30 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M6 X 30 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £8.74 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
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Items 1-10 of 253

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  1. DIAMETER M3.5
  2. DIAMETER M4
  3. DIAMETER M6
  4. DIAMETER M16
  5. DIAMETER 1/2"
  6. DIAMETER 5/8"
  7. LENGTH 20 MM
  8. LENGTH 30 MM
  9. LENGTH 35 MM
  10. LENGTH 85 MM
  11. LENGTH 190 MM
  12. LENGTH 280 MM
  13. LENGTH 430 MM
  14. LENGTH 1-3/8"
  15. LENGTH 2-1/2"
  16. LENGTH 7"
  17. LENGTH 6-1/2"
  18. LENGTH 5 1/2"
  19. SURFACE TREATMENT SELF COLOUR
  20. SURFACE TREATMENT A4 - STAINLESS STEEL
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Category
  1. SOCKET CAP - DIN 912 122items
  2. SOCKET COUNTERSUNK - DIN 7991 46items
  3. SOCKET BUTTON - DIN 7380 31items
  4. SOCKET SET SCREWS - DIN 916 41items
  5. SOCKET SHOULDERS - ISO 7379 13items
ISO
  1. 4762 102items
  2. 10642 46items
  3. 7380 17items
  4. 4029 15items
  5. 4026 4items
  6. 4028 4items
  7. 4027 2items
DIN
  1. DIN 912 112items
  2. DIN 7991 46items
  3. DIN 610 13items
  4. DIN 916 31items
  5. DIN 7984 10items
  6. DIN 913 4items
  7. DIN 7380 31items
DIAMETER
  1. M1.6 1item
  2. M2 6items
  3. M2.5 7items
  4. M3 30items
  5. M3.5 6items
  6. M4 51items
  7. M5 62items
  8. M6 80items
  9. M8 82items
  10. M10 83items
  11. M12 83items
  12. M14 21items
  13. M16 52items
  14. M18 6items
  15. M20 27items
  16. M22 2items
  17. M24 9items
  18. M36 4items
  19. M42 1item
  20. M27 4items
  21. M30 7items
  22. 6mm (M5) 2items
  23. 8mm (M6) 2items
  24. 10mm (M8) 2items
  25. 12mm (M10) 2items
  26. 16mm (M12) 1item
  27. 1" 11items
  28. 2" 1item
  29. 1/2" 32items
  30. 5/8" 32items
  31. 3/8" 24items
  32. 7/8" 15items
  33. 9/16" 4items
  34. 1-1/8" 1item
  35. 1-1/2" 3items
  36. 1-3/8" 2items
  37. 1-1/4" 4items
  38. 3/16" 3items
  39. 1/4" 18items
  40. 7/16" 13items
  41. 3/4" 33items
  42. 5/16" 19items
  43. #6 2items
  44. #8 3items
  45. #10 8items
  46. #12 1item
  47. 1/8" 1item
  48. 5/64" 1item
  49. 5/32" 1item
  50. 7/32" 2items
LENGTH
  1. 3 MM 1item
  2. 4 MM 13items
  3. 5 MM 21items
  4. 6 MM 41items
  5. 8 MM 56items
  6. 10 MM 56items
  7. 12 MM 57items
  8. 14 MM 24items
  9. 15 MM 25items
  10. 16 MM 58items
  11. 18 MM 27items
  12. 20 MM 61items
  13. 22 MM 19items
  14. 25 MM 64items
  15. 30 MM 65items
  16. 35 MM 53items
  17. 40 MM 55items
  18. 45 MM 46items
  19. 50 MM 48items
  20. 55 MM 30items
  21. 60 MM 38items
  22. 65 MM 21items
  23. 70 MM 28items
  24. 75 MM 17items
  25. 80 MM 25items
  26. 85 MM 6items
  27. 90 MM 24items
  28. 95 MM 3items
  29. 100 MM 24items
  30. 110 MM 17items
  31. 120 MM 18items
  32. 130 MM 11items
  33. 140 MM 11items
  34. 145 MM 1item
  35. 150 MM 11items
  36. 160 MM 7items
  37. 170 MM 4items
  38. 180 MM 7items
  39. 190 MM 2items
  40. 200 MM 7items
  41. 210 MM 2items
  42. 220 MM 1item
  43. 230 MM 2items
  44. 240 MM 2items
  45. 250 MM 1item
  46. 260 MM 2items
  47. 270 MM 1item
  48. 280 MM 2items
  49. 290 MM 1item
  50. 300 MM 3items
  51. 320 MM 2items
  52. 340 MM 2items
  53. 360 MM 1item
  54. 1/2" 21items
  55. 1" 58items
  56. 1-1/2" 48items
  57. 1-1/4" 48items
  58. 1-1/8" 2items
  59. 1-3/4" 38items
  60. 1-3/8" 2items
  61. 1-5/8" 2items
  62. 1-7/8" 1item
  63. 10" 8items
  64. 11" 4items
  65. 12" 8items
  66. 14" 1item
  67. 15" 2items
  68. 16" 3items
  69. 18" 1item
  70. 2-1/2" 39items
  71. 2-1/4" 29items
  72. 2-3/4" 23items
  73. 2-3/8" 1item
  74. 2" 49items
  75. 3" 41items
  76. 3-1/2" 29items
  77. 3-1/4" 15items
  78. 3-3/4" 9items
  79. 4" 28items
  80. 5" 23items
  81. 6" 17items
  82. 7" 12items
  83. 8" 10items
  84. 9" 4items
  85. 3/4" 35items
  86. 3/8" 4items
  87. 4-1/2" 19items
  88. 4-1/4" 6items
  89. 4-3/4" 6items
  90. 5-1/2" 13items
  91. 5-1/4" 2items
  92. 5-3/4" 1item
  93. 5/16" 1item
  94. 5/8" 23items
  95. 6-1/2" 9items
  96. 6-1/4" 1item
  97. 7-1/2" 4items
  98. 7/16" 1item
  99. 7/8" 10items
  100. 8-1/2" 4items
  101. 1 1/4" 5items
  102. 1 1/2" 6items
  103. 1 3/4" 5items
  104. 2 1/4" 3items
  105. 2 1/2" 6items
  106. 3 1/2" 4items
  107. 4 1/2" 2items
  108. 5 1/2" 2items
  109. 2 3/4" 2items
  110. 3 1/4" 1item
  111. 3 3/4" 1item
  112. 6 1/2" 1item
BRAND
  1. HOLO-KROME 41items
  2. IMPORTED 156items
  3. UNBRAKO 56items
THREAD FORM
  1. METRIC 189items
  2. UNF 14items
  3. BSF 1item
  4. UNC 40items
  5. BSW 9items
SURFACE TREATMENT
  1. SELF COLOUR 201items
  2. ZINC 42items
  3. A4 - STAINLESS STEEL 52items
  4. A2 - STAINLESS STEEL 55items
MATERIAL
  1. STEEL 253items
GRADE
  1. GRADE 8.8 5items
  2. GRADE 10.9 51items
  3. GRADE 12.9 125items
  4. GRADE 14.9 20items
  5. A4 5items
  6. A4-70 8items
  7. A4-80 9items
DRIVING FEATURES
  1. HEXAGON SOCKET 253items
HEAD SHAPE
  1. COUNTERSUNK HEAD 27items
  2. CYLINDRICAL HEAD 131items
  3. BUTTON HEAD 31items
THREAD DIRECTION
  1. RIGHT 253items
THREAD PITCH
  1. STANDARD 239items
  2. FINE 2items