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H.T Steel Cap Screws
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This page lists our current range of Metric High Tensile (Grade 12.9) Carbon Steel Socket Cap Screws from M3 to M8. For smaller diameters please go to our miniature cap screw page 

If the size you need is not listed then please e mail us for a quotation via the fixings enquiry page.

 

Key sizes are stated in millimetres (imperial sizes have been converted to metric). If you need a key, click on the symbol in the tables below and you will be taken to the allen key and ball driver page.

Alternatively,

 

To order, click on the 'Add to Order' button alongside the item of your choice. You can select the quantity on the order form (default is 1). To continue ordering other items, use the 'Back' button on your browser - the order form will retain the information until you are ready to submit your order.

You can review and edit your order, or submit your order at any time by using the button at the bottom of each list.

All dimensions are in millimeters. Please note that the overall length is the measurement from the underside of the head to the end of the screw shank.

Socket Cap Screws

Metric Threads - High Tensile Steel grade 12.9. Black finish
Thread

Overall  Length (mm)

Thread Length

Socket size

 Pack Qty

MF Ref

 Price Screws Only Price With Nuts You can enter/change the number of items on the order form

M3 6 6 10 MF-SC01 £0.70

M3 8 8 10 MF-SC02 £0.70

  M3 10 10 10 MF-SC11 £0.70

  M3 12 12 10 MF-SC03 £0.65

Fine thread (0.6mm)

 M3 12 12 10 MF-SC03F £2.20

 
  M3 14 14 10 MF-SC28 £0.90  

M3 16 16 10 MF-SC12 £0.65

  M3 18 18 10 MF-SC41 £1.20

  M3 20 20 10 MF-SC04 £0.65 £1.00

M3 25 20 10 MF-SC16 £0.65 £1.00

  M3 30 20 5 MF-SC08 £0.75 £0.90

  M3 35 18 5 MF-SC14 £0.75 £0.90

  M3 40 18 5 MF-SC05 £1.00 £1.15

  M3 50 18 5 MF-SC24 £1.80 £1.95

  M3 60 18 5 MF-SC26 £2.25 £2.50

                     
  M3.5 8 8 5 MF-SC27 £1.00  

 
  M3.5 16 16 5 MF-SC30 £1.00  

 
  M3.5 20 20 5 MF-SC31 £1.00  

 
  M3.5 25 25 5 MF-SC32 £1.20  

 
  M3.5 30 19 5 MF-SC33 £1.20  

 
New Size M3.5 50 25 5 MF-SC36 £1.50  

                     
  M4 8 8 10 MF-SC23 £0.65

  M4 10 10 10 MF-SC60 £0.70

 
  M4 12 12 10 MF-SC42 £0.70

M4 16 16 10 MF-SC06 £0.70 £1.00

M4 20 20 10 MF-SC07 £0.70 £1.00

M4 25 25 10 MF-SC19 £1.10 £1.40

M4 30 20 5 MF-SC17 £0.85 £1.00

M4 40 20 5 MF-SC09 £1.00 £1.15

  M4 50 20 5 MF-SC22 £1.00 £1.15

M4 60 20 2 MF-SC10 £1.00 £1.10

M4 70 20 2 MF-SC40 £1.00 £1.10

   
M5 20 20 4 MF-SC13 £0.50 £0.85

M5 30 30 4 MF-SC34 £0.75 £1.10

M5 40 22 4 MF-SC15 £0.80 £1.15

  M5 60 22 4 MF-SC29 £1.20  

 
  M5 80 22 2 MF-SC25 £1.00  

 
 
M6 20 20 4 MF-SC18 £0.75 £1.10

M6 40 25 4 MF-SC20 £0.95 £1.30

M6 50 25 4 MF-SC21 £1.00