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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 154

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

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

    £30.60 Per 100
    1/4-20 UNC X 3/4 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  2. M8 X 40 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    M8 X 40 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    £20.04 Per 100
    M8 X 40 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  3. M8 X 25 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    M8 X 25 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL

    £13.84 Per 100
    M8 X 25 LOW HEAD SOCKET CAP SCREW DIN 7984 A2-70 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  4. 1/4" x 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

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

    £22.84 Per 100
    1/4-28 UNF X 3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  5. 1/4" x 3 1/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

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

    £52.08 Per 100
    1/4-20 UNC X 3.1/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  6. 1/4" x 3/4" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

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

    £18.10 Per 100
    1/4-20 UNC X 3/4 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  7. 1/4-28 UNF X 3/4 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

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

    £98.54 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  8. 1/4-20 UNC X 3/4 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

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

    £31.44 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  9. M8 X 40 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M8 X 40 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £20.66 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. M8 X 25 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M8 X 25 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £14.08 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
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Items 1-10 of 154

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  1. DIAMETER M1.4
  2. DIAMETER M8
  3. DIAMETER 6mm (M5)
  4. DIAMETER 6"
  5. DIAMETER 1/4"
  6. LENGTH 15\"
  7. LENGTH 3 MM
  8. LENGTH 15 MM
  9. LENGTH 25 MM
  10. LENGTH 40 MM
  11. LENGTH 145 MM
  12. LENGTH 260 MM
  13. LENGTH 290 MM
  14. LENGTH 3/4"
  15. LENGTH 40"
  16. LENGTH 9-1/2"
  17. LENGTH 3 1/4"
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Category
  1. SOCKET CAP - DIN 912 59items
  2. SOCKET COUNTERSUNK - DIN 7991 24items
  3. SOCKET BUTTON - DIN 7380 29items
  4. SOCKET SET SCREWS - DIN 916 33items
  5. SOCKET SHOULDERS - ISO 7379 8items
ISO
  1. 4762 47items
  2. 10642 20items
  3. 7380 17items
  4. 4029 10items
  5. 4026 4items
  6. 4028 3items
  7. 4027 2items
DIN
  1. DIN 912 50items
  2. DIN 7991 24items
  3. DIN 610 8items
  4. DIN 916 24items
  5. DIN 7984 9items
  6. DIN 913 4items
  7. DIN 7380 29items
DIAMETER
  1. M1.4 2items
  2. M1.6 3items
  3. M2 13items
  4. M2.5 10items
  5. M3 50items
  6. M3.5 6items
  7. M4 62items
  8. M5 69items
  9. M6 91items
  10. M8 96items
  11. M10 96items
  12. M12 83items
  13. M14 16items
  14. M16 49items
  15. M18 4items
  16. M20 22items
  17. M22 4items
  18. M24 22items
  19. M36 5items
  20. M27 3items
  21. M30 4items
  22. 6mm (M5) 3items
  23. 8mm (M6) 3items
  24. 10mm (M8) 3items
  25. 12mm (M10) 3items
  26. 16mm (M12) 1item
  27. 24mm (M20) 1item
  28. 20mm (M16) 1item
  29. 2" 2items
  30. 4" 1item
  31. 6" 2items
  32. 1/2" 38items
  33. 5/8" 8items
  34. 3/8" 51items
  35. 3/16" 5items
  36. 1/4" 51items
  37. 7/16" 13items
  38. 3/4" 9items
  39. 5/16" 53items
  40. #0 1item
  41. #1 1item
  42. #2 2items
  43. #3 2items
  44. #4 8items
  45. #5 7items
  46. #6 14items
  47. #8 17items
  48. #10 23items
  49. #12 2items
  50. 3/32" 1item
  51. 1/8" 1item
  52. 5/64" 1item
  53. 7/32" 1item
LENGTH
  1. 2 MM 2items
  2. 3 MM 2items
  3. 4 MM 2items
  4. 5 MM 2items
  5. 6 MM 3items
  6. 8 MM 22items
  7. 10 MM 37items
  8. 12 MM 41items
  9. 14 MM 15items
  10. 15 MM 15items
  11. 16 MM 44items
  12. 18 MM 17items
  13. 20 MM 40items
  14. 22 MM 13items
  15. 25 MM 40items
  16. 30 MM 38items
  17. 35 MM 35items
  18. 40 MM 39items
  19. 45 MM 28items
  20. 50 MM 30items
  21. 55 MM 24items
  22. 60 MM 28items
  23. 65 MM 18items
  24. 70 MM 23items
  25. 75 MM 17items
  26. 80 MM 23items
  27. 85 MM 2items
  28. 90 MM 17items
  29. 95 MM 2items
  30. 100 MM 20items
  31. 110 MM 14items
  32. 120 MM 15items
  33. 130 MM 8items
  34. 140 MM 8items
  35. 150 MM 9items
  36. 160 MM 7items
  37. 170 MM 5items
  38. 180 MM 6items
  39. 190 MM 3items
  40. 200 MM 6items
  41. 210 MM 1item
  42. 220 MM 2items
  43. 230 MM 1item
  44. 240 MM 2items
  45. 250 MM 2items
  46. 260 MM 2items
  47. 270 MM 2items
  48. 280 MM 2items
  49. 290 MM 2items
  50. 300 MM 2items
  51. 1/4" 30items
  52. 1/2" 55items
  53. 1" 48items
  54. 1-1/2" 24items
  55. 1-1/4" 22items
  56. 1-1/8" 4items
  57. 1-3/4" 18items
  58. 1-3/8" 2items
  59. 1-5/8" 2items
  60. 1-7/8" 1item
  61. 10" 1item
  62. 11/16" 1item
  63. 12" 1item
  64. 14" 1item
  65. 15" 1item
  66. 2-1/2" 13items
  67. 2-1/4" 13items
  68. 2-3/4" 11items
  69. 2-3/8" 1item
  70. 2" 27items
  71. 3" 19items
  72. 25" 2items
  73. 3-1/2" 4items
  74. 3-1/4" 5items
  75. 3-3/4" 2items
  76. 3/16" 6items
  77. 4" 11items
  78. 5" 5items
  79. 6" 5items
  80. 7" 2items
  81. 8" 2items
  82. 3/4" 52items
  83. 3/8" 44items
  84. 35" 1item
  85. 4-1/2" 3items
  86. 4-3/4" 1item
  87. 20" 1item
  88. 30" 1item
  89. 40" 1item
  90. 5-1/2" 1item
  91. 5/16" 21items
  92. 5/8" 50items
  93. 6-1/2" 1item
  94. 7/16" 12items
  95. 7/8" 27items
  96. 9/16" 3items
  97. 15/16" 1item
  98. 0.984 1item
  99. 1 1/4" 10items
  100. 1 1/2" 10items
  101. 1 3/4" 9items
  102. 2 1/4" 7items
  103. 2 1/2" 9items
  104. 3 1/2" 6items
  105. 4 1/2" 3items
  106. 5 1/2" 2items
  107. 2 3/4" 2items
  108. 1 1/8" 3items
  109. 1 3/8" 4items
  110. 2 3/8" 1item
  111. 3 1/4" 1item
  112. 3 3/4" 1item
  113. 1 7/8" 1item
BRAND
  1. HOLO-KROME 21items
  2. IMPORTED 101items
  3. UNBRAKO 32items
THREAD FORM
  1. METRIC 101items
  2. IMPERIAL 1item
  3. UNF 16items
  4. BSF 2items
  5. UNC 28items
  6. BSW 4items
  7. BA 2items
SURFACE TREATMENT
  1. SELF COLOUR 101items
  2. ZINC 16items
  3. A4 - STAINLESS STEEL 17items
  4. A2 - STAINLESS STEEL 20items
MATERIAL
  1. STEEL 154items
GRADE
  1. GRADE 8.8 4items
  2. GRADE 10.9 26items
  3. GRADE 12.9 66items
  4. GRADE 14.9 20items
  5. A2 5items
  6. A4 1item
  7. A4-70 3items
  8. A4-80 2items
DRIVING FEATURES
  1. HEXAGON SOCKET 154items
HEAD SHAPE
  1. COUNTERSUNK HEAD 14items
  2. CYLINDRICAL HEAD 61items
  3. BUTTON HEAD 29items
THREAD DIRECTION
  1. RIGHT 154items
THREAD PITCH
  1. STANDARD 144items
  2. FINE 2items