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 12.9 Self Colour Steel Socket Cap Set 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 Self Colour Steel Socket Cap Set Screws

£1.20 (Inc. VAT)

£1.00 (Ex. VAT)

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3/8" UNF 12.9 Self Colour Steel Socket Cap Set Screws

£0.67 (Inc. VAT)

£0.56 (Ex. VAT)

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3/16" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

£0.38 (Inc. VAT)

£0.32 (Ex. VAT)

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1/2" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

£2.05 (Inc. VAT)

£1.71 (Ex. VAT)

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1/2" UNF 12.9 Self Colour Steel Socket Cap Set Screws

£1.07 (Inc. VAT)

£0.89 (Ex. VAT)

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5/8" UNF 12.9 Self Colour Steel Socket Cap Set Screws

£3.01 (Inc. VAT)

£2.51 (Ex. VAT)

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5/8" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

£4.66 (Inc. VAT)

£3.88 (Ex. VAT)

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3/4" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

£12.98 (Inc. VAT)

£10.82 (Ex. VAT)

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3/4" - 16 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

£9.76 (Inc. VAT)

£8.13 (Ex. VAT)

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9/16" - 18 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

£6.06 (Inc. VAT)

£5.05 (Ex. VAT)

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3/16"- 32 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

£0.90 (Inc. VAT)

£0.75 (Ex. VAT)

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5/8" - 18 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

£2.65 (Inc. VAT)

£2.21 (Ex. VAT)

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5/16" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

£0.71 (Inc. VAT)

£0.59 (Ex. VAT)

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3/8" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

£0.72 (Inc. VAT)

£0.60 (Ex. VAT)

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7/16" UNF Self Colour Steel Allen Key Socket Cap Bolts

£1.79 (Inc. VAT)

£1.49 (Ex. VAT)

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5/16" - 24 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

£0.78 (Inc. VAT)

£0.65 (Ex. VAT)

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1/4" - 28 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

£0.44 (Inc. VAT)

£0.37 (Ex. VAT)

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1/2" - 20 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

£2.74 (Inc. VAT)

£2.28 (Ex. VAT)

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3/16" - 32 tpi (10-32) UNF ZINC 12.9 SOCKET CAP SCREWS

£0.24 (Inc. VAT)

£0.20 (Ex. VAT)

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1/4" UNF 12.9 Self Colour Steel Socket Cap Set Screws

£0.29 (Inc. VAT)

£0.24 (Ex. VAT)

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3/16 - 32 tpi (10-32) UNF ZINC 12.9 SOCKET CAP BOLTS

£0.50 (Inc. VAT)

£0.42 (Ex. VAT)

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3/8" - 24 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

£0.94 (Inc. VAT)

£0.78 (Ex. VAT)

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5/16" UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws 5/16" thread size 24 tpi 1/4" Allen key size

£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 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size - 7/16inch - 20tpi Length is measured from under the head. 3/8 inch Allen key size.

£1.20 (Inc. VAT)

£1.00 (Ex. VAT)

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3/8" UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size -3/8 inch - 24tpi Length is measured from under the head 5/16 inch Allen key size

£0.67 (Inc. VAT)

£0.56 (Ex. VAT)

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3/16" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

Material: Self Colour Steel Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type - Part Threaded Thread size - 3/16"-32 tpi (10-32)

£0.38 (Inc. VAT)

£0.32 (Ex. VAT)

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1/2" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

Material: Self Colour Steel 12.9 grade Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type -Part Threaded 1/2" thread size 20 tpi

£2.05 (Inc. VAT)

£1.71 (Ex. VAT)

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1/2" UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size -1/2" - 20tpi Length is measured from under the head 3/8" allen key size

£1.07 (Inc. VAT)

£0.89 (Ex. VAT)

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5/8" UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size - 5/8"- 18 tpi 1/2" Allen key size. length is measured from under the head.

£3.01 (Inc. VAT)

£2.51 (Ex. VAT)

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5/8" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

Material: Self Colour Steel 12.9 grade Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type -Part Threaded 5/8 thread size 18 tpi 1/2" allen key size

£4.66 (Inc. VAT)

£3.88 (Ex. VAT)

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3/4" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

Material: Self Colour Steel 12.9 grade Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type -Part Threaded 3/4" thread size 16 tpi

£12.98 (Inc. VAT)

£10.82 (Ex. VAT)

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3/4" - 16 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size - 3/4"- 16 tpi 5/8" Allen key size. length is measured from under the head.

£9.76 (Inc. VAT)

£8.13 (Ex. VAT)

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9/16" - 18 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size - 9/16"- 18 tpi length is measured from under the head.

£6.06 (Inc. VAT)

£5.05 (Ex. VAT)

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3/16"- 32 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size - 3/16" - 32 tpi (10-32) tpi 5/32 allen key size length is measured from under the head.

£0.90 (Inc. VAT)

£0.75 (Ex. VAT)

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5/8" - 18 tpi UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size - 5/8" 18tpi Length is measured from under the head. 1/2" Allen key size.

£2.65 (Inc. VAT)

£2.21 (Ex. VAT)

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5/16" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

Material: Self Colour Steel Grade - 12.9 High tensile steel Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type - Part Threaded Thread size - 5/16" - 24 tpi

£0.71 (Inc. VAT)

£0.59 (Ex. VAT)

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3/8" UNF Self Colour Steel Allen Key Wrench Socket Cap Head Bolts

Material: Self Colour Steel Thread - UNF (Unified National Fine) (AF) Head Style - Socket Cap Head Type - Part Threaded Thread size - 3/8" - 24 tpi

£0.72 (Inc. VAT)

£0.60 (Ex. VAT)

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7/16" 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 7/16" - 20tpi

£1.79 (Inc. VAT)

£1.49 (Ex. VAT)

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5/16" - 24 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

Thread - UNF Size - 5/16" - 24 tpi 12.9 Grade high tensile steel Zinc plated All sizes are fully threaded measured from under the head

£0.78 (Inc. VAT)

£0.65 (Ex. VAT)

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1/4" - 28 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

Thread - UNF Size - 1/4" - 28 tpi 12.9 Grade high tensile steel Zinc plated All sizes are fully threaded measured from under the head

£0.44 (Inc. VAT)

£0.37 (Ex. VAT)

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1/2" - 20 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

Thread - UNF Size - 1/2" - 20 tpi 12.9 Grade high tensile steel Zinc plated All sizes are fully threaded measured from under the head

£2.74 (Inc. VAT)

£2.28 (Ex. VAT)

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3/16" - 32 tpi (10-32) UNF ZINC 12.9 SOCKET CAP SCREWS

Thread - UNF Size - 3/16" - 32 tpi (10-32) 12.9 Grade high tensile steel Zinc plated All sizes are fully threaded measured from under the head

£0.24 (Inc. VAT)

£0.20 (Ex. VAT)

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1/4" UNF 12.9 Self Colour Steel Socket Cap Set Screws

Thread -UNF (AF) Grade - 12.9 Type - Fully threaded cap screws Thread size -1/4" - 28tpi Length is measured from under the head 3/16" Allen key size

£0.29 (Inc. VAT)

£0.24 (Ex. VAT)

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3/16 - 32 tpi (10-32) UNF ZINC 12.9 SOCKET CAP BOLTS

Thread - UNF Size - 3/16" - 32 tpi 12.9 Grade high tensile steel Zinc plated All sizes are part threaded measured from under the head

£0.50 (Inc. VAT)

£0.42 (Ex. VAT)

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3/8" - 24 tpi UNF ZINC 12.9 SOCKET CAP SCREWS

Thread - UNF Size - 3/8" - 24 tpi 12.9 Grade high tensile steel Zinc plated All sizes are fully threaded measured from under the head

£0.94 (Inc. VAT)

£0.78 (Ex. VAT)

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