UNF Socket Cap Screws | Imperial Fine Thread Allen Screws UK

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We supply UNF socket cap screws for engineering, automotive and industrial applications, including imperial fine thread socket screws for high-strength fastening where a recessed hex drive is preferred.

Available in self colour steel, zinc plated steel and stainless steel options, our UNF socket cap screws are suitable for machinery, fabrication and general assembly work where secure fastening and reliable hex key tightening are important. The live range includes both fully threaded set screws and part threaded bolts in common UNF sizes.

Browse related categories: Socket Cap Screws, UNC, 12.9 Unplated Steel, 12.9 Zinc Plated Steel and Thread Data Guide.

5/16 UNF Self Colour Socket Cap Screws

£0.38 (Inc. VAT)

£0.32 (Ex. VAT)

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9/16" UNF Self Colour Steel Allen Key Socket Cap Bolts

£25.58 (Inc. VAT)

£21.32 (Ex. VAT)

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7/16" UNF 12.9 Socket Cap Screws | Fully Threaded

£1.20 (Inc. VAT)

£1.00 (Ex. VAT)

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3/8" UNF 12.9 Socket Cap Screws | Fully Threaded

£0.67 (Inc. VAT)

£0.56 (Ex. VAT)

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3/16" 10-32 UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

£0.38 (Inc. VAT)

£0.32 (Ex. VAT)

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1/2" UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

£2.05 (Inc. VAT)

£1.71 (Ex. VAT)

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1/2" UNF 12.9 Socket Cap Screws | Fully Threaded

£1.07 (Inc. VAT)

£0.89 (Ex. VAT)

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5/8″ UNF High Tensile Socket Cap Screws – Fully Threaded

£3.01 (Inc. VAT)

£2.51 (Ex. VAT)

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5/8″ UNF High Tensile Socket Cap Bolts With Shank

£4.66 (Inc. VAT)

£3.88 (Ex. VAT)

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3/4" UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

£12.98 (Inc. VAT)

£10.82 (Ex. VAT)

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3/4″ UNF Self Colour Socket Screws

£9.76 (Inc. VAT)

£8.13 (Ex. VAT)

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9/16″ UNF Self Colour Socket Screws

£6.06 (Inc. VAT)

£5.05 (Ex. VAT)

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10-32 UNF Self Colour Socket Screws

£0.90 (Inc. VAT)

£0.75 (Ex. VAT)

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5/8″ UNF Self Colour Socket Screws

£2.65 (Inc. VAT)

£2.21 (Ex. VAT)

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5/16" UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

£0.71 (Inc. VAT)

£0.59 (Ex. VAT)

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3/8"-24 UNF 12.9 Socket Cap Bolts BS 2470

£0.72 (Inc. VAT)

£0.60 (Ex. VAT)

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7/16" UNF Self Colour Steel Socket Cap Bolts

£1.79 (Inc. VAT)

£1.49 (Ex. VAT)

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5/16″ UNF Zinc Socket Cap Screws

£0.78 (Inc. VAT)

£0.65 (Ex. VAT)

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1/4″ UNF Zinc Socket Cap Screws

£0.44 (Inc. VAT)

£0.37 (Ex. VAT)

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1/2″ UNF Zinc Socket Cap Screws

£2.74 (Inc. VAT)

£2.28 (Ex. VAT)

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10-32 UNF Zinc Socket Cap Screws

£0.24 (Inc. VAT)

£0.20 (Ex. VAT)

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1/4" UNF 12.9 Socket Cap Screws | Fully Threaded

£0.29 (Inc. VAT)

£0.24 (Ex. VAT)

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10-32 UNF Zinc Socket Cap Bolts

£0.50 (Inc. VAT)

£0.42 (Ex. VAT)

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3/8″ UNF Zinc Socket Cap Screws

£0.94 (Inc. VAT)

£0.78 (Ex. VAT)

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5/16 UNF Self Colour Socket Cap Screws

5/16-24 UNF Self Colour Steel Socket Cap Screws High Tensile 12.9 Fully threaded steel socket cap screws with a 5/16 inch UNF thread and self colour finish. The cylindrical head features an internal...

£0.38 (Inc. VAT)

£0.32 (Ex. VAT)

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9/16" UNF Self Colour Steel Allen Key Socket Cap Bolts

Material: Self Colour Steel Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type -Part Threaded Thread size 9/16" - 18tpi

£25.58 (Inc. VAT)

£21.32 (Ex. VAT)

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7/16" UNF 12.9 Socket Cap Screws | Fully Threaded

7/16" UNF 12.9 Self Colour Steel Socket Cap Set Screws 7/16" UNF fully threaded socket cap set screws manufactured from 12.9 grade high tensile steel with a self colour, unplated finish. The fine...

£1.20 (Inc. VAT)

£1.00 (Ex. VAT)

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3/8" UNF 12.9 Socket Cap Screws | Fully Threaded

3/8" UNF 12.9 Self Colour Steel Socket Cap Set Screws 3/8" UNF fully threaded socket cap set screws manufactured from 12.9 grade high tensile steel with a self colour, unplated finish. The fine...

£0.67 (Inc. VAT)

£0.56 (Ex. VAT)

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3/16" 10-32 UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

3/16" 10-32 UNF High Tensile Alloy Steel Socket Cap Head Bolts These 10-32 UNF socket cap head bolts, commonly referred to as 3/16" UNF, are manufactured from heat-treated high tensile alloy steel to...

£0.38 (Inc. VAT)

£0.32 (Ex. VAT)

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1/2" UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

1/2" UNF High Tensile Alloy Steel Socket Cap Head Bolts – ASTM A574 These 1/2" UNF socket cap head bolts are manufactured from heat-treated high tensile alloy steel to ASTM A574. They feature a self...

£2.05 (Inc. VAT)

£1.71 (Ex. VAT)

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1/2" UNF 12.9 Socket Cap Screws | Fully Threaded

1/2" UNF 12.9 Self Colour Steel Socket Cap Set Screws 1/2" UNF fully threaded socket cap set screws manufactured from 12.9 grade high tensile steel with a self colour, unplated finish. The fine...

£1.07 (Inc. VAT)

£0.89 (Ex. VAT)

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5/8″ UNF High Tensile Socket Cap Screws – Fully Threaded

5/8" UNF Fully Threaded High Tensile Socket Cap Screws 5/8"-18 UNF fully threaded socket head cap screws manufactured from heat-treated high tensile alloy steel, with a self colour, unplated finish...

£3.01 (Inc. VAT)

£2.51 (Ex. VAT)

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5/8″ UNF High Tensile Socket Cap Bolts With Shank

5/8" UNF Part-Threaded High Tensile Socket Cap Bolts 5/8"-18 UNF socket head cap bolts manufactured from heat-treated high tensile alloy steel, with a self colour, unplated finish. These...

£4.66 (Inc. VAT)

£3.88 (Ex. VAT)

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3/4" UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

3/4" UNF High Tensile Alloy Steel Socket Cap Head Bolts – ASTM A574 These 3/4" UNF socket cap head bolts are manufactured from heat-treated high tensile alloy steel to ASTM A574. They feature a self...

£12.98 (Inc. VAT)

£10.82 (Ex. VAT)

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3/4″ UNF Self Colour Socket Screws

3/4″-16 UNF Self Colour Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 3/4″ UNF socket cap screws manufactured from high tensile alloy steel with a self colour finish. The...

£9.76 (Inc. VAT)

£8.13 (Ex. VAT)

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9/16″ UNF Self Colour Socket Screws

9/16″-18 UNF Self Colour Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 9/16″ UNF socket cap screws manufactured from high tensile alloy steel with a self colour finish. The...

£6.06 (Inc. VAT)

£5.05 (Ex. VAT)

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10-32 UNF Self Colour Socket Screws

10-32 UNF Self Colour Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 10-32 UNF socket cap screws manufactured from high tensile alloy steel with a self colour finish. The...

£0.90 (Inc. VAT)

£0.75 (Ex. VAT)

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5/8″ UNF Self Colour Socket Screws

5/8″-18 UNF Self Colour Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 5/8″ UNF socket cap screws manufactured from high tensile alloy steel with a self colour finish. The...

£2.65 (Inc. VAT)

£2.21 (Ex. VAT)

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5/16" UNF High Tensile Alloy Steel Socket Cap Bolts ASTM A574

5/16" UNF High Tensile Alloy Steel Socket Cap Head Bolts – ASTM A574 These 5/16" UNF socket cap head bolts are manufactured from heat-treated high tensile alloy steel to ASTM A574. They feature a...

£0.71 (Inc. VAT)

£0.59 (Ex. VAT)

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3/8"-24 UNF 12.9 Socket Cap Bolts BS 2470

3/8"-24 UNF ASTM A574 high-strength alloy steel socket cap head bolts with a part-threaded shank, available in lengths from 1 3/4" to 6". These imperial Allen key bolts combine a cylindrical socket...

£0.72 (Inc. VAT)

£0.60 (Ex. VAT)

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7/16" UNF Self Colour Steel Socket Cap Bolts

7/16" UNF Self Colour Steel Allen Key Socket Cap Bolts These 7/16" UNF socket cap bolts are manufactured from self colour steel 12.9 grade, and feature a partially threaded shank. The cylindrical cap...

£1.79 (Inc. VAT)

£1.49 (Ex. VAT)

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5/16″ UNF Zinc Socket Cap Screws

5/16″-24 UNF Zinc Plated Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 5/16″ UNF socket cap screws manufactured from high tensile alloy steel with a zinc plated finish. The...

£0.78 (Inc. VAT)

£0.65 (Ex. VAT)

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1/4″ UNF Zinc Socket Cap Screws

1/4″-28 UNF Zinc Plated Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 1/4″ UNF socket cap screws manufactured from high tensile alloy steel with a zinc plated finish. The...

£0.44 (Inc. VAT)

£0.37 (Ex. VAT)

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1/2″ UNF Zinc Socket Cap Screws

1/2″-20 UNF Zinc Plated Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 1/2″ UNF socket cap screws manufactured from high tensile alloy steel with a zinc plated finish. The...

£2.74 (Inc. VAT)

£2.28 (Ex. VAT)

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10-32 UNF Zinc Socket Cap Screws

10-32 UNF Zinc Plated Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 10-32 UNF socket cap screws manufactured from high tensile alloy steel with a zinc plated finish. The...

£0.24 (Inc. VAT)

£0.20 (Ex. VAT)

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1/4" UNF 12.9 Socket Cap Screws | Fully Threaded

1/4" UNF 12.9 Self Colour Steel Socket Cap Set Screws 1/4" UNF fully threaded socket cap set screws manufactured from 12.9 grade high tensile steel with a self colour, unplated finish. The fine...

£0.29 (Inc. VAT)

£0.24 (Ex. VAT)

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10-32 UNF Zinc Socket Cap Bolts

10-32 UNF Zinc Plated Part Thread Socket Cap Bolts – 12.9 Equivalent Part threaded 10-32 UNF socket cap bolts manufactured from high tensile alloy steel with a zinc plated finish. Each bolt has an...

£0.50 (Inc. VAT)

£0.42 (Ex. VAT)

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3/8″ UNF Zinc Socket Cap Screws

3/8″-24 UNF Zinc Plated Socket Cap Screws – Fully Threaded, 12.9 Equivalent Fully threaded 3/8″ UNF socket cap screws manufactured from high tensile alloy steel with a zinc plated finish. The...

£0.94 (Inc. VAT)

£0.78 (Ex. VAT)

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