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    • UNC

    We supply UNC hex head bolts for engineering, automotive and industrial applications, including imperial coarse thread hexagon head bolts in high tensile steel and stainless steel options for strong, reliable fastening.

    Available in self colour, zinc plated and stainless steel finishes, our UNC hex head bolts are suitable for machinery, fabrication and general assembly work where dependable spanner tightening and secure coarse thread fastening are required.

    Browse related categories: Hex Head Bolts, UNF, UNC Nuts, Washers and Thread Data Guide.

    • 5/16″ UNC A2 Stainless Hexagon Set Screws 5/16″ UNC A2 Stainless Hexagon Set Screws

      5/16″ UNC A2 Stainless Hexagon Set Screws

      5/16″-18 UNC A2 Stainless Steel Hexagon Set Screws These 5/16″ UNC A2 stainless steel hexagon set screws feature a fully threaded shank and a standard 18 threads-per-inch Unified National Coarse thread. They provide good resistance to...

      £0.36 (Inc. VAT)
      £0.30 (Ex. VAT)
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    • 3/8″ UNC A2 Stainless Hexagon Set Screws 3/8″ UNC A2 Stainless Hexagon Set Screws

      3/8″ UNC A2 Stainless Hexagon Set Screws

      3/8″-16 UNC A2 Stainless Steel Hexagon Set Screws These 3/8″ UNC A2 stainless steel hexagon set screws feature a fully threaded shank and a standard 16 threads-per-inch Unified National Coarse thread. They provide good resistance to everyday...

      £0.42 (Inc. VAT)
      £0.35 (Ex. VAT)
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    • 10-24 UNC A2 Stainless Hexagon Set Screws 10-24 UNC A2 Stainless Hexagon Set Screws

      10-24 UNC A2 Stainless Hexagon Set Screws

      10-24 UNC A2 Stainless Steel Hexagon Head Screws These 10-24 UNC A2 stainless steel hexagon head screws feature a fully threaded shank and a 24 threads-per-inch Unified National Coarse thread. They provide good resistance to everyday corrosion and are...

      £0.52 (Inc. VAT)
      £0.43 (Ex. VAT)
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    • 1/4″ UNC A2 Stainless Hexagon Set Screws 1/4″ UNC A2 Stainless Hexagon Set Screws

      1/4″ UNC A2 Stainless Hexagon Set Screws

      1/4″-20 UNC A2 Stainless Steel Hexagon Set Screws These 1/4″ UNC A2 stainless steel hexagon set screws feature a fully threaded shank and a standard 20 threads-per-inch Unified National Coarse thread. They provide good resistance to everyday...

      £0.24 (Inc. VAT)
      £0.20 (Ex. VAT)
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    • 7/16″ UNC Grade 5 Zinc Hex Set Screws 7/16″ UNC Grade 5 Zinc Hex Set Screws

      7/16″ UNC Grade 5 Zinc Hex Set Screws

      7/16″-14 UNC Grade 5 Zinc-Plated Hexagon Set Screws Fully threaded 7/16″ UNC hexagon-head set screws manufactured from high-tensile steel with a zinc-plated finish. The 7/16″-14 Unified National Coarse thread has 14 threads per inch and...

      £0.65 (Inc. VAT)
      £0.54 (Ex. VAT)
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    • 5/8″ UNC Grade 5 Zinc Hex Set Screws 5/8″ UNC Grade 5 Zinc Hex Set Screws

      5/8″ UNC Grade 5 Zinc Hex Set Screws

      5/8″-11 UNC Grade 5 Zinc-Plated Hexagon Set Screws Fully threaded 5/8″ UNC hexagon-head set screws manufactured from high-tensile steel with a zinc-plated finish. The 5/8″-11 Unified National Coarse thread has 11 threads per inch and is...

      £1.56 (Inc. VAT)
      £1.30 (Ex. VAT)
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    • 5/16″ UNC Grade 5 Zinc Hex Set Screws 5/16″ UNC Grade 5 Zinc Hex Set Screws

      5/16″ UNC Grade 5 Zinc Hex Set Screws

      5/16″-18 UNC Grade 5 Zinc-Plated Hexagon Set Screws Fully threaded 5/16″ UNC hexagon-head set screws manufactured from high-tensile steel with a zinc-plated finish. The 5/16″-18 Unified National Coarse thread has 18 threads per inch and...

      £0.24 (Inc. VAT)
      £0.20 (Ex. VAT)
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    • 3/8″ UNC Grade 5 Zinc Hex Set Screws 3/8″ UNC Grade 5 Zinc Hex Set Screws

      3/8″ UNC Grade 5 Zinc Hex Set Screws

      3/8″-16 UNC Grade 5 Zinc-Plated Hexagon Set Screws Fully threaded 3/8″ UNC hexagon-head set screws manufactured from high-tensile steel with a zinc-plated finish. The 3/8″-16 Unified National Coarse thread has 16 threads per inch and is...

      £0.26 (Inc. VAT)
      £0.22 (Ex. VAT)
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    • 1/4″ UNC Grade 5 Zinc Hex Set Screws 1/4″ UNC Grade 5 Zinc Hex Set Screws

      1/4″ UNC Grade 5 Zinc Hex Set Screws

      1/4″-20 UNC Grade 5 Zinc-Plated Hexagon Set Screws Fully threaded 1/4″ UNC hexagon-head set screws manufactured from high-tensile steel with a zinc-plated finish. The 1/4″-20 Unified National Coarse thread has 20 threads per inch and is...

      £0.24 (Inc. VAT)
      £0.20 (Ex. VAT)
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    • 5/16″ UNC A2 Stainless Hex Bolts 5/16″ UNC A2 Stainless Hex Bolts

      5/16″ UNC A2 Stainless Hex Bolts

      5/16″ UNC A2 Stainless Steel Hexagon Head Bolts With Shank These 5/16″ UNC hexagon head bolts are manufactured from A2 stainless steel and feature a partially threaded plain shank. They have a standard 5/16″-18 Unified National Coarse...

      £0.66 (Inc. VAT)
      £0.55 (Ex. VAT)
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    • 3/8″ UNC A2 Stainless Hex Bolts 3/8″ UNC A2 Stainless Hex Bolts

      3/8″ UNC A2 Stainless Hex Bolts

      3/8″ UNC A2 Stainless Steel Hexagon Head Bolts With Shank These 3/8″ UNC hexagon head bolts are manufactured from A2 stainless steel and feature a partially threaded plain shank. They have a standard 3/8″-16 Unified National Coarse...

      £1.08 (Inc. VAT)
      £0.90 (Ex. VAT)
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    • 1/4″ UNC A2 Stainless Hex Bolts 1/4″ UNC A2 Stainless Hex Bolts

      1/4″ UNC A2 Stainless Hex Bolts

      1/4″ UNC A2 Stainless Steel Hexagon Head Bolts With Shank These 1/4″ UNC hexagon head bolts are manufactured from A2 stainless steel and feature a partially threaded plain shank. They have a standard 1/4″-20 Unified National Coarse...

      £0.47 (Inc. VAT)
      £0.39 (Ex. VAT)
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    • 1/2" UNC Grade 5 Zinc Plated High Tensile Hex Head Bolts

      1/2" UNC Grade 5 Zinc Plated High Tensile Hex Head Bolts

      1/2"-13 UNC high tensile Grade 5 zinc plated steel hexagon head bolts, available in imperial lengths from 1 1/2" to 5 1/2". These imperial hex head bolts feature a coarse 13 threads per inch UNC thread and a partially threaded construction with a plain...

      £1.30 (Inc. VAT)
      £1.08 (Ex. VAT)
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    • 3/8" UNC Grade 5 Zinc Plated High Tensile Hex Head Bolts

      3/8" UNC Grade 5 Zinc Plated High Tensile Hex Head Bolts

      3/8"-16 UNC high tensile Grade 5 zinc plated steel hexagon head bolts, available in imperial lengths from 1 1/4" to 5 1/4". These imperial hex head bolts feature a coarse 16 threads per inch UNC thread and a partially threaded shank. The plain shank...

      £0.56 (Inc. VAT)
      £0.47 (Ex. VAT)
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    • 5/16" UNC Grade 5 Zinc Plated High Tensile Hex Head Bolts

      5/16" UNC Grade 5 Zinc Plated High Tensile Hex Head Bolts

      5/16"-18 UNC high tensile Grade 5 zinc plated steel hexagon head bolts, available in imperial lengths from 1 1/4" to 6". These imperial hex head bolts feature a coarse 18 threads per inch UNC thread and a partially threaded shank. The unthreaded section...

      £0.29 (Inc. VAT)
      £0.24 (Ex. VAT)
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    • 3/8" UNC Grade 5 Self Colour Hex Head Part Threaded Bolts 3/8" UNC Grade 5 Self Colour Hex Head Part Threaded Bolts

      3/8" UNC Grade 5 Self Colour Hex Head Part Threaded Bolts

      3/8" UNC Grade 5 self colour steel hexagon head part threaded bolts for high tensile imperial fastening applications. These 3/8" UNC hex head bolts are manufactured from Grade 5 steel and supplied in a self colour / unplated finish. The part threaded...

      £0.58 (Inc. VAT)
      £0.48 (Ex. VAT)
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    • 5/16" UNC Self Colour Hex Set Screws ASME B18.2.1 5/16" UNC Self Colour Hex Set Screws ASME B18.2.1

      5/16" UNC Self Colour Hex Set Screws ASME B18.2.1

      5/16" UNC self colour steel hex head fully threaded set screws for imperial coarse thread fastening applications. These hex set screws have a plain / self colour finish and are suitable for engineering, machinery, automotive, repair, maintenance and...

      £0.24 (Inc. VAT)
      £0.20 (Ex. VAT)
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    • 1/2" UNC A2 Stainless Hex Set Screws Fully Threaded 1/2" UNC A2 Stainless Hex Set Screws Fully Threaded

      1/2" UNC A2 Stainless Hex Set Screws Fully Threaded

      1/2" UNC A2 stainless steel hex head set screws, fully threaded for general engineering, automotive, machinery, fabrication, repair and maintenance applications. These imperial coarse thread fasteners are manufactured from A2 stainless steel, giving good...

      £1.13 (Inc. VAT)
      £0.94 (Ex. VAT)
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