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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 505

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  1. 3/4-10 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    3/4-10 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £10,330.78 Per 100
    3/4-10 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  2. 3/4-10 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    3/4-10 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £4,988.04 Per 100
    3/4-10 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. 5/8-11 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £7,207.14 Per 100
    5/8-11 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  4. 5/8-11 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £3,040.20 Per 100
    5/8-11 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  5. 1/2-13 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £4,616.32 Per 100
    1/2-13 UNC X 10 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  6. 1/2-13 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,490.42 Per 100
    1/2-13 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  7. 1/2-13 UNC X 3.1/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 3.1/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,043.96 Per 100
    1/2-13 UNC X 3.1/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  8. 3/8-16 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    3/8-16 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,098.04 Per 100
    3/8-16 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  9. 3/8-16 UNC X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

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

    £277.32 Per 100
    3/8-16 UNC X 7/8 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. 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
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Items 1-10 of 505

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  1. LENGTH 22 MM
  2. LENGTH 120 MM
  3. LENGTH 360 MM
  4. LENGTH 520 MM
  5. LENGTH 580 MM
  6. LENGTH 1-5/8"
  7. LENGTH 10"
  8. LENGTH 3/8"
  9. LENGTH 7/32"
  10. LENGTH 7/8"
  11. LENGTH 9-1/2"
  12. LENGTH 4 1/2"
  13. LENGTH 3 1/4"
  14. BRAND IMPORTED
Clear All
Category
  1. SOCKET CAP - DIN 912 248items
  2. SOCKET COUNTERSUNK - DIN 7991 84items
  3. SOCKET BUTTON - DIN 7380 75items
  4. SOCKET SET SCREWS - DIN 916 76items
  5. SOCKET SHOULDERS - ISO 7379 10items
ISO
  1. 4762 230items
  2. 10642 55items
  3. 7380 18items
  4. 4029 13items
  5. 4026 9items
  6. 4028 7items
  7. 4027 6items
DIN
  1. DIN 912 234items
  2. DIN 7991 84items
  3. DIN 610 10items
  4. DIN 916 54items
  5. DIN 7984 14items
  6. DIN 913 9items
  7. DIN 7380 75items
DIAMETER
  1. M2 2items
  2. M2.5 2items
  3. M3 8items
  4. M4 11items
  5. M5 16items
  6. M6 25items
  7. M8 24items
  8. M10 29items
  9. M12 25items
  10. M14 5items
  11. M16 13items
  12. M18 3items
  13. M20 12items
  14. M22 3items
  15. M24 7items
  16. M36 2items
  17. M27 4items
  18. M30 4items
  19. 24mm (M20) 1item
  20. 1" 2items
  21. 2" 2items
  22. 4" 1item
  23. 6" 2items
  24. 1/2" 22items
  25. 5/8" 10items
  26. 3/8" 40items
  27. 7/8" 3items
  28. 1-1/2" 2items
  29. 1-1/4" 2items
  30. 3/16" 8items
  31. 1/4" 57items
  32. 7/16" 6items
  33. 1-3/4" 1item
  34. 3/4" 7items
  35. 5/16" 52items
  36. #0 2items
  37. #1 4items
  38. #2 5items
  39. #3 3items
  40. #4 9items
  41. #5 5items
  42. #6 15items
  43. #8 15items
  44. #10 25items
  45. #12 3items
  46. 1/8" 1item
  47. 5/64" 1item
  48. 5/32" 2items
  49. 7/32" 2items
LENGTH
  1. 2 MM 3items
  2. 2.5 MM 1item
  3. 3 MM 32items
  4. 4 MM 51items
  5. 5 MM 73items
  6. 6 MM 111items
  7. 7 MM 1item
  8. 8 MM 133items
  9. 10 MM 154items
  10. 12 MM 172items
  11. 14 MM 96items
  12. 15 MM 32items
  13. 16 MM 188items
  14. 18 MM 95items
  15. 20 MM 201items
  16. 22 MM 80items
  17. 25 MM 194items
  18. 30 MM 203items
  19. 35 MM 188items
  20. 40 MM 202items
  21. 45 MM 180items
  22. 50 MM 200items
  23. 55 MM 165items
  24. 60 MM 182items
  25. 65 MM 136items
  26. 70 MM 157items
  27. 75 MM 113items
  28. 80 MM 154items
  29. 85 MM 36items
  30. 90 MM 136items
  31. 95 MM 27items
  32. 100 MM 142items
  33. 110 MM 99items
  34. 120 MM 111items
  35. 125 MM 1item
  36. 130 MM 74items
  37. 140 MM 77items
  38. 145 MM 1item
  39. 150 MM 71items
  40. 160 MM 49items
  41. 170 MM 39items
  42. 180 MM 48items
  43. 190 MM 34items
  44. 200 MM 44items
  45. 210 MM 10items
  46. 220 MM 19items
  47. 230 MM 11items
  48. 240 MM 17items
  49. 250 MM 11items
  50. 260 MM 18items
  51. 270 MM 10items
  52. 280 MM 18items
  53. 290 MM 9items
  54. 300 MM 19items
  55. 320 MM 5items
  56. 340 MM 7items
  57. 350 MM 1item
  58. 360 MM 5items
  59. 370 MM 1item
  60. 380 MM 3items
  61. 400 MM 3items
  62. 430 MM 1item
  63. 1/4" 108items
  64. 1/2" 188items
  65. 1" 218items
  66. 1-1/2" 130items
  67. 1-1/4" 130items
  68. 1-1/8" 20items
  69. 1-3/4" 98items
  70. 1-3/8" 16items
  71. 1-5/8" 13items
  72. 1-7/8" 7items
  73. 1/16" 2items
  74. 1/8" 34items
  75. 10" 18items
  76. 11" 8items
  77. 11/16" 9items
  78. 12" 15items
  79. 13" 2items
  80. 14" 7items
  81. 15" 5items
  82. 16" 6items
  83. 18" 6items
  84. 2-1/2" 94items
  85. 2-1/4" 72items
  86. 2-3/4" 59items
  87. 2-3/8" 3items
  88. 2" 171items
  89. 3" 142items
  90. 3-1/2" 70items
  91. 3-1/4" 37items
  92. 3-3/4" 16items
  93. 3/16" 59items
  94. 4" 107items
  95. 5" 75items
  96. 6" 60items
  97. 7" 37items
  98. 8" 39items
  99. 9" 12items
  100. 3/32" 2items
  101. 3/4" 201items
  102. 3/8" 143items
  103. 4-1/2" 41items
  104. 4-1/4" 7items
  105. 4-3/4" 9items
  106. 20" 4items
  107. 5-1/2" 28items
  108. 5-1/4" 1item
  109. 5/16" 80items
  110. 5/8" 167items
  111. 6-1/2" 19items
  112. 7-1/2" 7items
  113. 7/16" 41items
  114. 7/32" 1item
  115. 7/8" 104items
  116. 8-1/2" 4items
  117. 9/16" 10items
  118. 15/16" 3items
  119. 13/16" 2items
  120. 13/16 4items
  121. 15/16 3items
  122. 1 1/4" 52items
  123. 1 1/2" 54items
  124. 1 3/4" 45items
  125. 2 1/4" 31items
  126. 2 1/2" 51items
  127. 3 1/2" 40items
  128. 4 1/2" 22items
  129. 5 1/2" 12items
  130. 9 MM 1item
  131. 2 3/4" 19items
  132. 1 1/8" 3items
  133. 1 3/8" 7items
  134. 2 3/8" 1item
  135. 3 1/4" 8items
  136. 3 3/4" 6items
  137. 1 7/8" 2items
  138. 4 3/4" 1item
  139. 6 1/2" 1item
BRAND
  1. HOLO-KROME 104items
  2. IMPORTED 505items
  3. UNBRAKO 68items
THREAD FORM
  1. METRIC 196items
  2. IMPERIAL 12items
  3. UNF 83items
  4. BSF 8items
  5. UNC 190items
  6. BSW 11items
  7. BA 5items
SURFACE TREATMENT
  1. SELF COLOUR 260items
  2. ZINC 26items
  3. A4 - STAINLESS STEEL 95items
  4. A2 - STAINLESS STEEL 124items
MATERIAL
  1. STEEL 505items
GRADE
  1. GRADE 8.8 4items
  2. GRADE 10.9 54items
  3. GRADE 12.9 138items
  4. GRADE 14.9 76items
  5. A2 20items
  6. A4 8items
  7. A4-70 14items
  8. A4-80 12items
DRIVING FEATURES
  1. HEXAGON SOCKET 505items
HEAD SHAPE
  1. COUNTERSUNK HEAD 82items
  2. CYLINDRICAL HEAD 197items
  3. BUTTON HEAD 75items
THREAD DIRECTION
  1. RIGHT 505items
THREAD PITCH
  1. STANDARD 456items
  2. FINE 2items