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Home / Screws, Nuts & Washers / Socket Screws / Socket Countersunk Screws / UNF Socket Countersunk Screws - ANSI B18.3 / UNF Socket Countersunk Screws - 10.9 High Tensile Steel / 1/2" UNF Socket Countersunk Screws  /  1/2" UNF x 1" Socket Countersunk Screws (ANSI B18.3) - High Tensile Steel Self Colour
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1/2" UNF x 1" Socket Countersunk Screws (ANSI B18.3) - High Tensile Steel Self Colour

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1 - 4

£0.93

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5 - 9

£0.83

£0.10

10 - 24

£0.73

£0.20

25 - 49

£0.69

£0.24

50 - 99

£0.64

£0.29

100 - 499

£0.58

£0.35

500 - 999

£0.49

£0.44

1000+

£0.39

£0.54

Total Price:
£0.93
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1/2" UNF x 1" Socket Countersunk Screws (ANSI B18.3) - High Tensile Steel Self Colour

Socket Countersunk Screws feature an internal socket drive and are fastened with a Hexagonal/Allen key. The slanted neck and flat top allow for Socket Countersunk Screws to lay flush with the fastened surface or raised when paired with a Cup/Countersunk Washer.

These UNF Socket Button Head Screws are made from High Tensile Steel and have a black self colour finish.

For larger quantities or items not listed, please email sales@gwr-fasteners.co.uk and one of our team will provide you with a quotation.

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(1 Customer reviews)
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Urgently Needed

Needed to complete a rush job , the order process was very easy and all products in stock ....Delivery very quick Very happy

Del Q | Nottingham | November 2024

  • Thread Diameter:
    1/2" UNF
  • Threads Per Inch:
    20 TPI
  • Head Diameter (Max):
    0.938"
  • Head Length (Max):
    0.251"
  • Length Including the Head:
    1"
  • Allen Key Size:
    5/16"
  • Fully Threaded:
    Yes
  • Manufacturing Standard:
    ANSI B18.3
  • Material:
    High Tensile Steel
  • Finish:
    Self Colour Black
  • Product Code:
    HT-CSK-1/2UNF-1