UNC Countersunk Socket Screws – Imperial Socket Screws UK

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UNC

Our range of UNC countersunk socket screws features imperial Unified National Coarse thread forms suitable for engineering, machinery and restoration applications. Manufactured with an internal hex drive and countersunk head, these screws provide a flush surface finish once installed.

Available in multiple diameters and lengths, our UNC countersunk socket screws are supplied in high tensile steel and stainless steel grades to suit a wide range of industrial and automotive requirements. The coarse UNC thread form provides strong engagement and reliable fastening in imperial threaded assemblies.

Browse the selection below and use the filters to refine by size, length and material to find the correct UNC countersunk socket screw for your application.

6-32 UNC A2 Stainless Steel Countersunk Socket Set Screws

£0.46 (Inc. VAT)

£0.38 (Ex. VAT)

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1/2" - 13 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

£1.14 (Inc. VAT)

£0.95 (Ex. VAT)

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3/8" - 16 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

£0.61 (Inc. VAT)

£0.51 (Ex. VAT)

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5/16 - 18 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

£0.32 (Inc. VAT)

£0.27 (Ex. VAT)

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1/4" - 20 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

£0.35 (Inc. VAT)

£0.29 (Ex. VAT)

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3/16" UNC (10-24TPI) COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

£0.25 (Inc. VAT)

£0.21 (Ex. VAT)

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5/8" - 11 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

£4.32 (Inc. VAT)

£3.60 (Ex. VAT)

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5/16" UNC A2 Stainless Steel Countersunk Socket Set Screws

£0.52 (Inc. VAT)

£0.43 (Ex. VAT)

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3/8" UNC A2 Stainless Steel Countersunk Socket Set Screws

£0.91 (Inc. VAT)

£0.76 (Ex. VAT)

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10-24 UNC A2 Stainless Steel Countersunk Socket Set Screws

£0.67 (Inc. VAT)

£0.56 (Ex. VAT)

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1/4" UNC A2 Stainless Steel Countersunk Socket Set Screws

£0.34 (Inc. VAT)

£0.28 (Ex. VAT)

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8-32 UNC A2 Stainless Steel Countersunk Socket Set Screws

£0.40 (Inc. VAT)

£0.33 (Ex. VAT)

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5/16 - 18 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

£1.01 (Inc. VAT)

£0.84 (Ex. VAT)

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1/4" - 20 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

£0.59 (Inc. VAT)

£0.49 (Ex. VAT)

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1/4" UNC Self Colour Steel Countersunk Socket Set Screws

£0.24 (Inc. VAT)

£0.20 (Ex. VAT)

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7/16" UNC A2 Stainless Steel Countersunk Socket Set Screws

£5.92 (Inc. VAT)

£4.93 (Ex. VAT)

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3/8" - 16 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

£1.79 (Inc. VAT)

£1.49 (Ex. VAT)

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3/16" (10-24) UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

£0.29 (Inc. VAT)

£0.24 (Ex. VAT)

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1/2" - 13 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

£4.40 (Inc. VAT)

£3.67 (Ex. VAT)

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7/16" UNC SOCKET COUNTERSUNK SCREWS SELF COLOUR

£1.27 (Inc. VAT)

£1.06 (Ex. VAT)

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6-32 UNC A2 Stainless Steel Countersunk Socket Set Screws

Thread - UNC (Unified National coarse) Grade - A2 Stainless steel Thread size 6 unc 32 tpi 5/64"Allen key...

£0.46 (Inc. VAT)

£0.38 (Ex. VAT)

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1/2" - 13 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 1/2" - 13 TPI) All sizes are fully threaded measured from under the head.

£1.14 (Inc. VAT)

£0.95 (Ex. VAT)

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3/8" - 16 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 3/8" - 16 TPI) All sizes are fully threaded measured from under the head.

£0.61 (Inc. VAT)

£0.51 (Ex. VAT)

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5/16 - 18 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 5/16" - 18 TPI) All sizes are fully threaded measured from under the head.

£0.32 (Inc. VAT)

£0.27 (Ex. VAT)

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1/4" - 20 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 1/4" - 20 TPI) All sizes are fully threaded measured total length.

£0.35 (Inc. VAT)

£0.29 (Ex. VAT)

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3/16" UNC (10-24TPI) COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 3/16" ( 10 unc 24 tpi) All sizes are fully threaded measured total length.

£0.25 (Inc. VAT)

£0.21 (Ex. VAT)

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5/8" - 11 tpi UNC COUNTERSUNK SOCKET ALLEN SCREWS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 5/8" - 11 TPI) All sizes are fully threaded measured from under the head.

£4.32 (Inc. VAT)

£3.60 (Ex. VAT)

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5/16" UNC A2 Stainless Steel Countersunk Socket Set Screws

ABCDEF 5/16" 1 1/2" * * * 18 5/16" 1 1/4" * * * 18 5/16" 1" * * * 18 5/16" 3/4" * * * 18 Please Note: Specifications given are intended as a guide only. If critical to your project please check with us...

£0.52 (Inc. VAT)

£0.43 (Ex. VAT)

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3/8" UNC A2 Stainless Steel Countersunk Socket Set Screws

ABCDEF 3/8" 1 1/2" * * * 16 3/8" 1 1/4" * * * 16 3/8" 1" * * * 16 3/8" 3/4" * * * 16 Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.

£0.91 (Inc. VAT)

£0.76 (Ex. VAT)

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10-24 UNC A2 Stainless Steel Countersunk Socket Set Screws

ABCDEF 10-24 1 1/2" * * * 24 10-24 1 1/4" * * * 24 10-24 1" * * * 24 10-24 3/4" * * * 24 10-24 3/8" * * * 24 10-24 5/8" * * * 24 Please Note: Specifications given are intended as a...

£0.67 (Inc. VAT)

£0.56 (Ex. VAT)

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1/4" UNC A2 Stainless Steel Countersunk Socket Set Screws

ABCDEF 1/4" 1 1/2" * * * 20 1/4" 1 1/4" * * * 20 1/4" 1" * * * 20 1/4" 1/2" * * * 20 1/4" 2" * * * 20 1/4" 3/4" * * * 20 Please Note: Specifications given are intended as a guide only...

£0.34 (Inc. VAT)

£0.28 (Ex. VAT)

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8-32 UNC A2 Stainless Steel Countersunk Socket Set Screws

ABCDEF 8-32 1" * * * 32 8-32 1/2" * * * 32 8-32 5/8" * * * 32 Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.

£0.40 (Inc. VAT)

£0.33 (Ex. VAT)

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5/16 - 18 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 5/16" - 18 TPI All sizes are part threaded measured from under the head.

£1.01 (Inc. VAT)

£0.84 (Ex. VAT)

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1/4" - 20 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 1/4" - 20 TPI All sizes are part threaded measured from under the head.

£0.59 (Inc. VAT)

£0.49 (Ex. VAT)

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1/4" UNC Self Colour Steel Countersunk Socket Set Screws

ABCDEF 1/4" 3/4" * * * 20 Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.

£0.24 (Inc. VAT)

£0.20 (Ex. VAT)

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7/16" UNC A2 Stainless Steel Countersunk Socket Set Screws

ABCDEF 7/16" 1" * * * 14 Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.

£5.92 (Inc. VAT)

£4.93 (Ex. VAT)

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3/8" - 16 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 3/8" - 16 TPI All sizes are part threaded measured from under the head.

£1.79 (Inc. VAT)

£1.49 (Ex. VAT)

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3/16" (10-24) UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 3/16" - 24 TPI (10-24) All sizes are part threaded measured from under the head.

£0.29 (Inc. VAT)

£0.24 (Ex. VAT)

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1/2" - 13 TPI UNC COUNTERSUNK SOCKET ALLEN BOLTS GRADE 8 ZINC PLATED STEEL

Thread - UNC Grade - 8 Material - Zinc plated steel Thread size - 1/2" - 13 TPI All sizes are part threaded measured from under the head.

£4.40 (Inc. VAT)

£3.67 (Ex. VAT)

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7/16" UNC SOCKET COUNTERSUNK SCREWS SELF COLOUR

7/16" Thread size 14 tpi UNC High tensile self colour Length is measured total length

£1.27 (Inc. VAT)

£1.06 (Ex. VAT)

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