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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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6 Items

Set Descending Direction
  1. 1/2-13 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    1/2-13 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,246.26 Per 100
    1/2-13 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  2. 1/2" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    1/2" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £981.02 Per 100
    1/2-20 UNF X 3.3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. 1/2" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    1/2" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £495.96 Per 100
    1/2-13 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  4. 3/8" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    3/8" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £124.90 Per 100
    3/8-16 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  5. 5/16" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/16" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £129.56 Per 100
    5/16-18 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  6. 1/4" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    1/4" x 3 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £119.16 Per 100
    1/4-20 UNC X 3.3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
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6 Items

Set Descending Direction
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  1. LENGTH 3 3/4"
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Category
  1. SOCKET CAP - DIN 912 6items
ISO
  1. 4762 6items
DIN
  1. DIN 912 6items
DIAMETER
  1. 1/2" 3items
  2. 3/8" 1item
  3. 1/4" 1item
  4. 5/16" 1item
LENGTH
  1. 5-12" 1item
  2. 2 MM 3items
  3. 2.5 MM 1item
  4. 3 MM 35items
  5. 4 MM 65items
  6. 5 MM 101items
  7. 6 MM 160items
  8. 7 MM 1item
  9. 8 MM 196items
  10. 10 MM 232items
  11. 12 MM 259items
  12. 14 MM 110items
  13. 15 MM 80items
  14. 16 MM 280items
  15. 18 MM 114items
  16. 20 MM 288items
  17. 22 MM 100items
  18. 25 MM 279items
  19. 30 MM 283items
  20. 35 MM 246items
  21. 40 MM 283items
  22. 45 MM 227items
  23. 50 MM 269items
  24. 55 MM 194items
  25. 60 MM 224items
  26. 65 MM 155items
  27. 70 MM 195items
  28. 75 MM 129items
  29. 80 MM 192items
  30. 85 MM 37items
  31. 90 MM 169items
  32. 95 MM 27items
  33. 100 MM 179items
  34. 110 MM 120items
  35. 120 MM 137items
  36. 125 MM 1item
  37. 130 MM 91items
  38. 140 MM 87items
  39. 145 MM 1item
  40. 150 MM 88items
  41. 160 MM 67items
  42. 170 MM 41items
  43. 180 MM 64items
  44. 190 MM 35items
  45. 200 MM 60items
  46. 210 MM 11items
  47. 220 MM 24items
  48. 230 MM 12items
  49. 240 MM 29items
  50. 250 MM 11items
  51. 260 MM 31items
  52. 270 MM 10items
  53. 280 MM 29items
  54. 290 MM 9items
  55. 300 MM 31items
  56. 320 MM 11items
  57. 340 MM 12items
  58. 350 MM 1item
  59. 360 MM 8items
  60. 370 MM 1item
  61. 380 MM 6items
  62. 400 MM 3items
  63. 420 MM 2items
  64. 430 MM 1item
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  66. 460 MM 1item
  67. 480 MM 1item
  68. 520 MM 1item
  69. 560 MM 2items
  70. 580 MM 1item
  71. 600 MM 1item
  72. 640 MM 1item
  73. 650 MM 1item
  74. 1/4" 161items
  75. 1/2" 284items
  76. 1" 319items
  77. 1-1/2" 211items
  78. 1-1/4" 215items
  79. 1-1/8" 20items
  80. 1-3/4" 152items
  81. 1-3/8" 16items
  82. 1-5/8" 13items
  83. 1-7/8" 7items
  84. 1/16" 2items
  85. 1/8" 39items
  86. 10" 25items
  87. 11" 11items
  88. 11/16" 9items
  89. 12" 22items
  90. 13" 3items
  91. 14" 8items
  92. 15" 7items
  93. 16" 7items
  94. 18" 7items
  95. 2-1/2" 158items
  96. 2-1/4" 112items
  97. 2-3/4" 88items
  98. 2-3/8" 3items
  99. 2" 247items
  100. 3" 197items
  101. 25" 4items
  102. 3-1/2" 103items
  103. 3-1/4" 53items
  104. 3-3/4" 26items
  105. 3/16" 76items
  106. 4" 139items
  107. 5" 95items
  108. 6" 76items
  109. 7" 44items
  110. 8" 46items
  111. 9" 15items
  112. 3/32" 2items
  113. 3/4" 305items
  114. 3/8" 218items
  115. 35" 3items
  116. 4-1/2" 63items
  117. 4-1/4" 10items
  118. 4-3/4" 12items
  119. 20" 7items
  120. 30" 3items
  121. 40" 7items
  122. 50" 1item
  123. 60" 4items
  124. 5-1/2" 40items
  125. 5-1/4" 2items
  126. 5-3/4" 1item
  127. 5/16" 108items
  128. 5/8" 245items
  129. 6-1/2" 26items
  130. 6-1/4" 1item
  131. 7-1/2" 10items
  132. 7/16" 48items
  133. 7/32" 1item
  134. 7/8" 142items
  135. 8-1/2" 7items
  136. 9-1/2" 1item
  137. 9/16" 10items
  138. 15/16" 3items
  139. 13/16" 2items
  140. 13/16 4items
  141. 15/16 3items
  142. 0.984 1item
  143. 1 1/4" 52items
  144. 1 1/2" 54items
  145. 1 3/4" 45items
  146. 2 1/4" 31items
  147. 2 1/2" 51items
  148. 3 1/2" 40items
  149. 4 1/2" 22items
  150. 5 1/2" 12items
  151. 9 MM 1item
  152. 2 3/4" 19items
  153. 1 1/8" 3items
  154. 1 3/8" 7items
  155. 2 3/8" 1item
  156. 3 1/4" 8items
  157. 3 3/4" 6items
  158. 1 7/8" 2items
  159. 4 3/4" 1item
  160. 6 1/2" 1item
BRAND
  1. IMPORTED 6items
THREAD FORM
  1. UNF 1item
  2. UNC 5items
SURFACE TREATMENT
  1. A4 - STAINLESS STEEL 1item
  2. A2 - STAINLESS STEEL 5items
MATERIAL
  1. STEEL 6items
DRIVING FEATURES
  1. HEXAGON SOCKET 6items
THREAD DIRECTION
  1. RIGHT 6items
THREAD PITCH
  1. STANDARD 6items