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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 237

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  1. 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
  2. 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
  3. 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
  4. 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
  5. 5/16-18 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/16-18 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £935.12 Per 100
    5/16-18 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  6. 1/4-20 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/4-20 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £331.60 Per 100
    1/4-20 UNC X 4.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  7. 3/8-16 UNC X 4.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

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

    £1,201.88 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  8. 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
  9. M20 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M20 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £346.04 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  10. M16 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M16 X 65 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £157.84 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
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Items 1-10 of 237

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  1. LENGTH 65 MM
  2. LENGTH 2-3/8"
  3. LENGTH 3/32"
  4. LENGTH 4-3/4"
  5. LENGTH 5/16"
  6. LENGTH 7-1/2"
  7. LENGTH 9/16"
  8. LENGTH 4 1/2"
  9. SURFACE TREATMENT SELF COLOUR
  10. SURFACE TREATMENT A4 - STAINLESS STEEL
Clear All
Category
  1. SOCKET CAP - DIN 912 119items
  2. SOCKET COUNTERSUNK - DIN 7991 24items
  3. SOCKET BUTTON - DIN 7380 23items
  4. SOCKET SET SCREWS - DIN 916 60items
  5. SOCKET SHOULDERS - ISO 7379 9items
ISO
  1. 4762 119items
  2. 10642 24items
  3. 7380 12items
  4. 4029 15items
  5. 4026 6items
  6. 4028 5items
  7. 4027 2items
DIN
  1. DIN 912 119items
  2. DIN 7991 24items
  3. DIN 610 9items
  4. DIN 916 46items
  5. DIN 913 6items
  6. DIN 7380 23items
DIAMETER
  1. M3 1item
  2. M4 2items
  3. M5 9items
  4. M6 10items
  5. M8 10items
  6. M10 12items
  7. M12 11items
  8. M14 6items
  9. M16 9items
  10. M18 3items
  11. M20 8items
  12. M22 2items
  13. M24 6items
  14. M27 1item
  15. M30 2items
  16. 1" 2items
  17. 2" 1item
  18. 6" 2items
  19. 1/2" 8items
  20. 5/8" 6items
  21. 3/8" 7items
  22. 7/8" 2items
  23. 9/16" 1item
  24. 3/16" 3items
  25. 1/4" 20items
  26. 3/4" 5items
  27. 5/16" 17items
  28. #0 1item
  29. #1 2items
  30. #2 5items
  31. #3 2items
  32. #4 8items
  33. #5 4items
  34. #6 14items
  35. #8 12items
  36. #10 20items
  37. 5/64" 1item
  38. 5/32" 1item
  39. 7/32" 1item
LENGTH
  1. 5-12" 1item
  2. 2 MM 2items
  3. 2.5 MM 1item
  4. 3 MM 21items
  5. 4 MM 44items
  6. 5 MM 70items
  7. 6 MM 113items
  8. 8 MM 139items
  9. 10 MM 165items
  10. 12 MM 184items
  11. 14 MM 70items
  12. 15 MM 74items
  13. 16 MM 198items
  14. 18 MM 75items
  15. 20 MM 201items
  16. 22 MM 65items
  17. 25 MM 196items
  18. 30 MM 195items
  19. 35 MM 165items
  20. 40 MM 197items
  21. 45 MM 150items
  22. 50 MM 184items
  23. 55 MM 120items
  24. 60 MM 148items
  25. 65 MM 92items
  26. 70 MM 127items
  27. 75 MM 80items
  28. 80 MM 126items
  29. 85 MM 23items
  30. 90 MM 111items
  31. 95 MM 15items
  32. 100 MM 118items
  33. 110 MM 80items
  34. 120 MM 90items
  35. 125 MM 1item
  36. 130 MM 62items
  37. 140 MM 58items
  38. 145 MM 1item
  39. 150 MM 60items
  40. 160 MM 51items
  41. 170 MM 27items
  42. 180 MM 47items
  43. 190 MM 23items
  44. 200 MM 45items
  45. 210 MM 7items
  46. 220 MM 20items
  47. 230 MM 8items
  48. 240 MM 25items
  49. 250 MM 7items
  50. 260 MM 27items
  51. 270 MM 6items
  52. 280 MM 25items
  53. 290 MM 5items
  54. 300 MM 27items
  55. 320 MM 11items
  56. 340 MM 12items
  57. 350 MM 1item
  58. 360 MM 8items
  59. 370 MM 1item
  60. 380 MM 6items
  61. 400 MM 3items
  62. 420 MM 2items
  63. 430 MM 1item
  64. 440 MM 1item
  65. 460 MM 1item
  66. 480 MM 1item
  67. 520 MM 1item
  68. 560 MM 2items
  69. 580 MM 1item
  70. 600 MM 1item
  71. 640 MM 1item
  72. 650 MM 1item
  73. 1/4" 148items
  74. 1/2" 252items
  75. 1" 275items
  76. 1-1/2" 202items
  77. 1-1/4" 203items
  78. 1-1/8" 20items
  79. 1-3/4" 147items
  80. 1-3/8" 16items
  81. 1-5/8" 13items
  82. 1-7/8" 7items
  83. 1/16" 2items
  84. 1/8" 38items
  85. 10" 21items
  86. 11" 11items
  87. 11/16" 9items
  88. 12" 20items
  89. 13" 3items
  90. 14" 8items
  91. 15" 7items
  92. 16" 7items
  93. 18" 7items
  94. 2-1/2" 151items
  95. 2-1/4" 107items
  96. 2-3/4" 86items
  97. 2-3/8" 3items
  98. 2" 204items
  99. 3" 163items
  100. 25" 4items
  101. 3-1/2" 102items
  102. 3-1/4" 53items
  103. 3-3/4" 26items
  104. 3/16" 74items
  105. 4" 107items
  106. 5" 76items
  107. 6" 56items
  108. 7" 37items
  109. 8" 36items
  110. 9" 14items
  111. 3/32" 2items
  112. 3/4" 268items
  113. 3/8" 197items
  114. 35" 3items
  115. 4-1/2" 63items
  116. 4-1/4" 10items
  117. 4-3/4" 12items
  118. 20" 7items
  119. 30" 3items
  120. 40" 7items
  121. 50" 1item
  122. 60" 4items
  123. 5-1/2" 40items
  124. 5-1/4" 2items
  125. 5-3/4" 1item
  126. 5/16" 102items
  127. 5/8" 219items
  128. 6-1/2" 26items
  129. 6-1/4" 1item
  130. 7-1/2" 10items
  131. 7/16" 44items
  132. 7/32" 1item
  133. 7/8" 121items
  134. 8-1/2" 7items
  135. 9-1/2" 1item
  136. 9/16" 9items
  137. 15/16" 3items
  138. 13/16" 2items
  139. 13/16 4items
  140. 15/16 3items
  141. 0.984 1item
  142. 1 1/4" 20items
  143. 1 1/2" 20items
  144. 1 3/4" 17items
  145. 2 1/4" 12items
  146. 2 1/2" 18items
  147. 3 1/2" 12items
  148. 4 1/2" 7items
  149. 5 1/2" 4items
  150. 2 3/4" 6items
  151. 1 1/8" 1item
  152. 1 3/8" 2items
  153. 3 1/4" 1item
  154. 3 3/4" 1item
  155. 6 1/2" 1item
BRAND
  1. HOLO-KROME 31items
  2. IMPORTED 184items
  3. UNBRAKO 22items
THREAD FORM
  1. METRIC 92items
  2. IMPERIAL 2items
  3. UNF 27items
  4. BSF 4items
  5. UNC 103items
  6. BSW 6items
  7. BA 3items
SURFACE TREATMENT
  1. SELF COLOUR 188items
  2. ZINC 23items
  3. A4 - STAINLESS STEEL 49items
  4. A2 - STAINLESS STEEL 62items
MATERIAL
  1. STEEL 237items
GRADE
  1. GRADE 8.8 2items
  2. GRADE 10.9 23items
  3. GRADE 12.9 115items
  4. GRADE 14.9 46items
  5. A4 6items
  6. A4-70 9items
  7. A4-80 8items
DRIVING FEATURES
  1. HEXAGON SOCKET 237items
HEAD SHAPE
  1. COUNTERSUNK HEAD 24items
  2. CYLINDRICAL HEAD 122items
  3. BUTTON HEAD 23items
THREAD DIRECTION
  1. RIGHT 237items
THREAD PITCH
  1. STANDARD 227items
  2. FINE 1item