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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 113

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  1. 5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,858.04 Per 100
    5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A4 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  2. 5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £1,664.80 Per 100
    5/8-18 UNF X 3.1/2 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  3. 5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    5/8" x 3 1/2" - SOCKET HEAD CAP SCREWS - DIN 912 - A2 - STAINLESS STEEL

    £372.54 Per 100
    5/8-11 UNC X 3.1/2 SOCKET CAP SCREW ASME B18.3 A2 STAINLESS STEEL
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  4. 5/8-11 UNC X 3.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

    5/8-11 UNC X 3.1/2 SOCKET COUNTERSUNK SCREW ASME B18.3 A4 STAINLESS STEEL

    £1,674.98 Per 100
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  5. M20 X 200 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M20 X 200 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £1,159.00 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  6. M12 X 200 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    M12 X 200 SOCKET COUNTERSUNK ISO 10642 A4-70 STAINLESS STEEL

    £294.48 Per 100
    Out of stock
    Delivery: UNABLE TO PROVIDE ETA
  7. 5/8-11x4 1/2\"SOCKET SET CUP POINT UNC ALLOY\"

    5/8-11x4 1/2\"SOCKET SET CUP POINT UNC ALLOY\"

    £15.33 Per 100
    SOCKET SET CUP POINT UNC ALLOY SELF COLOUR
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  8. 5/8-18x1/2\"SOCKET SET CUP POINT UNF ALLOY\"

    5/8-18x1/2\"SOCKET SET CUP POINT UNF ALLOY\"

    £54.80 Per 100
    SOCKET SET CUP POINT UNF ALLOY SELF COLOUR
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  9. #8-32x5/16 SOC SET CUP UNC ZINC\"\"

    #8-32x5/16 SOC SET CUP UNC ZINC\"\"

    £0.88 Per 100
    SOCKET SET CUP POINT UNC ALLOY ZINC-BAKE CR+3
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
  10. 5/8" x 4-1/2" - SOCKET HEAD CAP SCREW - DIN 912 - GRADE 12.9 - SELF COLOUR - UNBRAKO

    5/8" x 4-1/2" - SOCKET HEAD CAP SCREW - DIN 912 - GRADE 12.9 - SELF COLOUR - UNBRAKO

    £650.35 Per 100
    Cylindrical head socket cap screws come in a wide range of diameters and lengths, both imperial and metric. Surface treatments available are self colour, zinc and stainless steel
    Delivery: ETA FOR DELIVERY 3 - 5 DAYS
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Items 1-10 of 113

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  1. DIAMETER 1/4\"
  2. DIAMETER 3/4\"
  3. DIAMETER M1.4
  4. DIAMETER M12
  5. DIAMETER M14
  6. DIAMETER M20
  7. DIAMETER 24mm (M20)
  8. DIAMETER 20mm (M16)
  9. DIAMETER 5/8"
  10. DIAMETER 1-1/2"
  11. DIAMETER #8
  12. LENGTH 10 MM
  13. LENGTH 12 MM
  14. LENGTH 200 MM
  15. LENGTH 1/2"
  16. LENGTH 3-1/4"
  17. LENGTH 3-3/4"
  18. LENGTH 4-1/2"
  19. LENGTH 4-1/4"
  20. LENGTH 5/16"
  21. LENGTH 6-1/2"
  22. LENGTH 7-1/2"
  23. LENGTH 3 1/2"
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Category
  1. SOCKET CAP - DIN 912 59items
  2. SOCKET COUNTERSUNK - DIN 7991 13items
  3. SOCKET BUTTON - DIN 7380 4items
  4. SOCKET SET SCREWS - DIN 916 27items
  5. SOCKET SHOULDERS - ISO 7379 10items
ISO
  1. 4762 57items
  2. 10642 10items
  3. 7380 4items
  4. 4029 4items
  5. 4026 3items
  6. 4028 3items
  7. 4027 1item
DIN
  1. DIN 912 58items
  2. DIN 7991 13items
  3. DIN 610 10items
  4. DIN 916 20items
  5. DIN 7984 1item
  6. DIN 913 3items
  7. DIN 7380 4items
DIAMETER
  1. M1.4 4items
  2. M1.6 6items
  3. M2 24items
  4. M2.5 27items
  5. M3 57items
  6. M3.5 12items
  7. M4 72items
  8. M5 79items
  9. M6 81items
  10. M8 78items
  11. M10 51items
  12. M12 20items
  13. M14 3items
  14. M16 8items
  15. M18 1item
  16. M20 8items
  17. M22 1item
  18. M24 5items
  19. M36 2items
  20. M27 4items
  21. M30 5items
  22. 6mm (M5) 2items
  23. 8mm (M6) 1item
  24. 1" 11items
  25. 2" 3items
  26. 4" 1item
  27. 6" 4items
  28. 1/2" 55items
  29. 5/8" 41items
  30. 3/8" 70items
  31. 7/8" 14items
  32. 9/16" 5items
  33. 1-1/2" 1item
  34. 1-1/4" 4items
  35. 3/16" 8items
  36. 1/4" 89items
  37. 7/16" 14items
  38. 1-3/4" 1item
  39. 3/4" 41items
  40. 5/16" 80items
  41. #0 1item
  42. #1 3items
  43. #2 6items
  44. #3 5items
  45. #4 23items
  46. #5 12items
  47. #6 30items
  48. #8 36items
  49. #10 53items
  50. #12 3items
  51. 3/32" 1item
  52. 1/8" 3items
  53. 5/64" 1item
  54. 5/32" 1item
LENGTH
  1. 2 MM 2items
  2. 3 MM 2items
  3. 4 MM 2items
  4. 5 MM 2items
  5. 6 MM 5items
  6. 8 MM 2items
  7. 10 MM 3items
  8. 12 MM 14items
  9. 14 MM 1item
  10. 15 MM 3items
  11. 16 MM 32items
  12. 18 MM 10items
  13. 20 MM 43items
  14. 22 MM 11items
  15. 25 MM 44items
  16. 30 MM 52items
  17. 35 MM 56items
  18. 40 MM 63items
  19. 45 MM 54items
  20. 50 MM 67items
  21. 55 MM 48items
  22. 60 MM 58items
  23. 65 MM 40items
  24. 70 MM 51items
  25. 75 MM 33items
  26. 80 MM 52items
  27. 85 MM 11items
  28. 90 MM 50items
  29. 95 MM 7items
  30. 100 MM 53items
  31. 110 MM 33items
  32. 120 MM 42items
  33. 125 MM 1item
  34. 130 MM 23items
  35. 140 MM 24items
  36. 150 MM 24items
  37. 160 MM 20items
  38. 170 MM 13items
  39. 180 MM 19items
  40. 190 MM 14items
  41. 200 MM 18items
  42. 210 MM 3items
  43. 220 MM 6items
  44. 230 MM 4items
  45. 240 MM 8items
  46. 250 MM 3items
  47. 260 MM 9items
  48. 270 MM 2items
  49. 280 MM 7items
  50. 290 MM 2items
  51. 300 MM 7items
  52. 320 MM 2items
  53. 340 MM 2items
  54. 360 MM 1item
  55. 370 MM 1item
  56. 430 MM 1item
  57. 1/4" 19items
  58. 1/2" 26items
  59. 1" 42items
  60. 1-1/2" 28items
  61. 1-1/4" 31items
  62. 1-1/8" 1item
  63. 1-3/4" 21items
  64. 1-3/8" 1item
  65. 1/8" 6items
  66. 10" 5items
  67. 11" 3items
  68. 12" 5items
  69. 16" 2items
  70. 2-1/2" 24items
  71. 2-1/4" 15items
  72. 2-3/4" 15items
  73. 2" 31items
  74. 3" 25items
  75. 25" 1item
  76. 3-1/2" 17items
  77. 3-1/4" 9items
  78. 3-3/4" 3items
  79. 3/16" 8items
  80. 4" 21items
  81. 5" 17items
  82. 6" 11items
  83. 7" 9items
  84. 8" 7items
  85. 9" 3items
  86. 3/4" 24items
  87. 3/8" 21items
  88. 35" 1item
  89. 4-1/2" 12items
  90. 4-1/4" 2items
  91. 4-3/4" 3items
  92. 20" 2items
  93. 30" 1item
  94. 40" 2items
  95. 50" 1item
  96. 60" 1item
  97. 5-1/2" 8items
  98. 5/16" 13items
  99. 5/8" 22items
  100. 6-1/2" 6items
  101. 7-1/2" 2items
  102. 7/16" 5items
  103. 7/8" 11items
  104. 8-1/2" 2items
  105. 1 1/4" 5items
  106. 1 1/2" 6items
  107. 1 3/4" 5items
  108. 2 1/4" 2items
  109. 2 1/2" 6items
  110. 3 1/2" 5items
  111. 4 1/2" 3items
  112. 5 1/2" 2items
  113. 2 3/4" 2items
  114. 3 1/4" 1item
BRAND
  1. HOLO-KROME 19items
  2. IMPORTED 78items
  3. UNBRAKO 16items
THREAD FORM
  1. METRIC 35items
  2. UNF 13items
  3. UNC 62items
  4. BSW 3items
SURFACE TREATMENT
  1. SELF COLOUR 90items
  2. ZINC 4items
  3. A4 - STAINLESS STEEL 9items
  4. A2 - STAINLESS STEEL 10items
MATERIAL
  1. STEEL 113items
GRADE
  1. GRADE 10.9 7items
  2. GRADE 12.9 67items
  3. GRADE 14.9 20items
  4. A2 5items
  5. A4 2items
  6. A4-70 3items
DRIVING FEATURES
  1. HEXAGON SOCKET 113items
HEAD SHAPE
  1. COUNTERSUNK HEAD 11items
  2. CYLINDRICAL HEAD 66items
  3. BUTTON HEAD 4items
THREAD DIRECTION
  1. RIGHT 113items
THREAD PITCH
  1. STANDARD 107items