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Nuts

 (29 product groups)

What are nuts used for?
Nuts are famously used alongside fasteners fixings and bolts to securely attach items into place. We stock a large selection of Nuts suitable for multiple applications.

Types of nuts in our range:
Included in our range are the ever popular hex nuts, lock and flange nuts, dome nuts and many more. Due to the breadth of uses, our range features stainless steel, nylon and metal nuts in various shapes and sizes. Dependant on your application, we guarantee to have the solution you require.

Head over to our Knowledge Centre for guides and tips about the different types of nuts and bolts and lots of other handy information to support your applications.

What are the different types of nuts & bolts?
What is a locknut & how does it work?
How to keep bolts from loosening
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Cylindrical Steel Nuts

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Cylindrical Steel Nuts are fasteners that are commonly used in conjunction with lead screws or ball screws to convert rotary motion to linear motion. The nut is threaded onto the screw and moves along the length of the screw as it rotates, providing smooth and precise linear motion.

They are used for low rotational speeds, manual control, and clamping functions. It is not suitable for motorised movements. It has internal threads that match the screw, which ensures exceptional durability and wear resistance due to the material.

It is used in the automotive, aerospace or construction industries to secure lead screws in place. Available as standard right-hand thread cylindrical steel nuts as well as left-hand threaded.

  • Material: Steel (EN10277-3, 11SMnPb37)
  • ISO 2901/2903 and DIN 103

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Flanged Ball Nuts

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Flanged Ball Nuts are an essential component of ball screw assemblies. They are precision mechanical components used in linear motion systems. These nuts, as the name implies, include a flange, which is a flat, projecting rim that extends from the nut and offers additional support and ease of installation.

It's used in conjunction with ball screws to convert rotary motion to linear motion. Ball bearings in the nut roll along the ball screw as it turns, giving smooth and precise linear motion. The flange features a tight tolerance, ensuring minimum backlash and high precision and accuracy.

These are widely utilised in a variety of industrial applications, including in automotive, aerospace, and medical equipment.

Please keep in mind that removing the ball nut from the sleeve provided can cause the ball bearings to come loose, rendering the ball nut useless.

  • Material: Steel (16MnCr5 or 100Cr6), with Vulkollan seals
  • DIN 69051 form B

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Flanged Bronze Nuts

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Flanged Bronze Nuts are an important part of lead screw assemblies, extensively employed in linear motion systems. It is intended for manual or motorised applications at low rotational speeds under load, and it has a smooth surface that reduces lead screw wear.

They are extremely durable and have an element of self lubrication. The bronze material also assures dependable performance, making them one of the most popular nut choices in lead screw assemblies.

These are widely utilised in a variety of industrial applications, including in automotive, aerospace, and medical equipment.

Available as standard right-hand thread flanged bronze nuts as well as left-hand threaded.

  • Material: Bronze

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Hexagon Steel Nuts

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Hexagon steel nuts give a solid grip while preventing loosening due to vibration or motion. They are simple to tighten and relax with a normal wrench or pliers. Hexagon steel nuts give a solid grip while preventing loosening due to vibration or motion. They are simple to tighten and relax with a normal wrench or pliers. They are used with steel or stainless steel lead screws for low rotational speeds, manual control, clamping or locking actions, and dead weight reception.

Due to its material, it is used in applications that need high strength and durability but require lubrication to prevent the nut seizing with the screw.

These are widely utilised in a variety of industrial applications, including in automotive, aerospace, and medical equipment. Available as standard right-hand thread hexagon steel nuts as well as left-hand threaded.

Please note: Steel to steel contact surfaces are inappropriate for motorised motion

  • Material: Steel (EN10277-3, 11SMnPb37)
  • ISO 2901/2903 and DIN 103

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Integral Seal Bolts

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Sealing bolts are a type of fastener designed with an o-ring to provide secure bi-directional protection against contaminates such as gases and fluids in various applications, minimising the risk of damage to sensitive equipment. They prevent the entry of water, dust, or other contaminants, ensuring a secure, reliable connection.

This range of sealing bolts with a hexagonal head, incorporates an O-ring which is compressed, squeezed into a precision groove machined under the head of the bolt, and the mating surface to complete the seal. They are manufactured from stainless steel, which provides good corrosion resistance and is slightly magnetic.

Integral Seal Bolts are used in threaded and non-threaded holes in applications such as pipes, valves or pumps.

Sealing bolts are used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries.

Please note: Our seal bolts are designed for use in applications where sealing properties are required. It could be confused with standard fasteners, these do not require sealing properties and with an O-ring you will not get a sealing property like you get with seal screws and may damage the ring.

  • Material: Stainless Steel
  • AISI 303, 1.4305 or AISI 316, 1.440
  • Tensile strength: 550 N/mm² or 480N/mm²

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Integral Seal Domed Nuts

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Integral Seal Nuts are a type of fastener with an integrated sealing feature, combining the functionality of a nut and a sealing component into a single unit. These nuts provide reliable protection while simplifying the assembly process and eliminating the need for additional sealing components. They prevent the entry of water, dust, or other contaminants providing bi-directional sealing.

This range of Integral Seal Domed nuts incorporates an O-ring which is compressed and squeezed between the nut and mating component. They are suitable for temperatures from -100C to +260C and are reusable.

Integral Seal Nuts are used in applications such as cabinets or used in the automotive, machinery and electric industries.

  • Material: Stainless Steel
  • AISI 303, 1.4305
  • Tensile strength: 550 N/mm²

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Integral Seal Hex Nuts

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Integral Seal Nuts are a type of fastener with an integrated sealing feature, combining the functionality of a nut and a sealing component into a single unit. These nuts provide reliable protection while simplifying the assembly process and eliminating the need for additional sealing components. They prevent the entry of water, dust, or other contaminants providing bi-directional sealing.

This range of Integral Seal hexagonal nuts incorporates an O-ring which is compressed and squeezed between the nut and mating component. They are suitable for temperatures from -100C to +260C and are reusable.

Integral Seal Nuts are used in applications such as cabinets or used in the automotive, machinery and electric industries.

  • Material: Stainless Steel
  • AISI 303, 1.4305 or AISI 316, 1.440
  • Tensile strength: 550 N/mm² or 480N/mm²

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Square Nuts

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In this range used with lead screws, you will find a wide range of Square Nuts depending on your needs: Square Bronze Nuts with fixing holes, Square Brass Nuts, Square Steel Nuts and Square Steel Nuts with Fixing holes.

  • Square Bronze Nuts with through holes are used when a secure and robust connection is needed. It provides stability and strength, making it suited for medium-duty applications. It has through holes suitable for cap head screws.
  • Square Brass Nut is used in applications where fairly light loads are required. It is sturdy and resistant to corrosion, moisture, and other factors.
  • Square Steel Nuts are utilised in applications that need slow rotational speeds, manual control, clamping or locking actions.
  • Square Steel Nuts with Holes are used for applications with low rotational speeds, manual control, and locking functions. It has through holes suitable for cap head screws.

These are widely utilised in a variety of industrial applications, including in automotive, aerospace, and medical equipment. Available as standard right-hand thread square nuts as well as left-hand threaded.

Please note: Steel to steel contact surfaces are inappropriate for motorised motion.

  • Material: Bronze (CuSn7ZnPb) , Steel (EN 10277-3, 11SMnPb37), Brass (EN 12164, CW614N-M).
  • ISO 2901/2903 and DIN 103.

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Button Thread Nuts - Kwik Nut

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These Button Thread Nuts - Kwik Nuts are designed to provide a secure and rapid fastening mechanism. Simply push down the thread length to the correct location and lock it in place with a 180 turn for press-fit installation.

It produces a more secure fastening by reducing the danger of nut back-off due to vibrations or dynamic loads. It also makes them particularly ideal for applications involving severe weights or high-pressure situations, assuring excellent performance and lifespan of the secured assembly. Used in applications such as electronics, automobiles, and heavy machinery.

  • Material: PA
  • Colour: Black
  • Material Flammability Standard: UL94 V-2

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Cage Nuts

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Cage Nuts can be applied to square holes, and are commonly found on mounting rails of equipment racks. They offer ideal protection for equipment from stripped threads, and provide handy mounting of server rack equipment.

The combination of a square hole and cage nut is used within rack systems, as this allows for a choice of nut and bolt sizes to be used. If threads are damaged, the metal nut can be easily repleased, as the sheet metal is too thin to tap or thread.

Our Cage Nut range comprises of Steel Cage Nuts that are natural in appearance. A great tool-free option available in M5, M6 and M8 thread sizes.

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Cam Lock Nuts

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Cam Lock Nuts are a commonly used connecting element, which is used most often in furniture assemblies. The main function of the Cam Lock is to create a secure joint between two connecting pieces of furniture, that is stable. They are used in combination with a screw and place in a wooden panel or laminated board, for example.

Our Cam Lock Nut range is made from Zinc Alloy in a choice of finishes, including; Nickel Plating, Zamak, Collinox Light Plating, as well as unfinished options. The nut features a crossed driver types.

These nuts can be inserted into pre-drilled holes and tapped into place with a hammer. They are self-locking to prevent rotation during hand or automatic assembly.

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Cross Dowel Barrel Nuts

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Cross Dowel Barrel Nuts are designed to be used with Joint Connector Bolts where a right angle connection is needed. The M6 nuts are supplied in a zinc alloy material for a cost-effective solution whereas the M8 nuts are supplied in steel for additional strength. The M8 nuts are therefore ideal where heavier applications are required - typically on boards of a 22mm thickness upwards. Browse our range of Joint Connector Bolts.

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Cylindrical Bronze Nuts

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Cylindrical Bronze Nuts are used with our lead screws to convert rotary motion into linear motion. The nut is threaded onto the screw and moves along the length of the screw as it rotates, providing smooth and precise linear motion.

Ideal for manual or motorised applications at low to medium rotation. It has internal threads that match the screw, which ensures exceptional durability and wear resistance due to the material. Made of Bronze which has better corrosion resistance than steel but is less strong or heat resistant.

It is used in the automotive, aerospace or construction industries to secure lead screws in place. Available as standard right-hand thread cylindrical bronze nuts as well as left-hand threaded.

  • Material: Bronze
  • ISO 2901/2903 and DIN 103

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Dome Nuts - Metal

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Dome nuts, also known as acorn nuts, are a type of nut that has a rounded, dome-shaped head. The dome nut's head protects the application's bolt or screw from damage and aids in the prevention of loosening. Additionally, they protect from exterior elements such as dust, debris, moisture, and corrosion.

Easy to install and remove by screwing it. This range offers some dome nuts with a silicone seal to offer greater seal and security to external factors. Commonly used in industrial, automotive, medical and food production applications.

  • Material: Stainless Steel, Mild Steel

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Dome Nuts - Nylon

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Dome Nuts, also known as Cap Nuts and Acorn Nuts, is a type of nut that has a domed end on one side. As such, a Dome Nut is ideal for covering and protecting a bolt or screw in a wide range of applications.

Made from Nylon 6/6, these Nylon Acorn Nuts not only protect the bold threads under the nut, but also provide a tidy appearance. A Cap Nut may also improve safey on some joints and applications. When an assembly needs a smooth finsih, or you wish to hide or disguise the fasteners and exposed threads of an application, Plastic Dome Nuts are the ideal solution.

  • Nut Shape: Hexagonal
  • Colours: Black and Natural
  • DIN 1587

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Flange Hex Nut - Plastic

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Flange Nut is a hex nut with a flange on the base, acting as an integrated washer. This spreads the load and prevents damage to the part, while also reducing the risk of the nut loosening in application. Customers regularly by flange hex nuts with our External Toothed Lock Washers.

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Furniture Mount T-Nuts

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T-Nuts are ideal for use with Adjustable Feet, Tilt Glides, Castors and Locking Bolts and other furniture mount applications. The are self-locking to prevent rotation during hand or automated assembly.

These nuts are easy to assemble, simply insert into a pre-drilled hole and tap into place with a hammer.

Available in a choice of thread sizes to suit your application.

  • Material: Steel
  • Colour: Natural

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Grommet Nuts

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Grommet Nuts are used for a secure threaded connection between two panels and are often purchased alongside our U-Nut Grommets

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Joint Connector Nuts

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Joint Connector Nuts, are a joint connector made from zinc plated steel that offers supreme protection against oxidation. The steel connector nut have a hex drive that is suitable for an M5 Allen Key - making then quick and simple to install.

Joint Connector Nuts and Bolts are commonly used in combination to connect and join together component parts, such as wooden assemblies, including flat packed furniture or timber framing.

  • Compatible threads: M6 Joint Connector Nut and M8 Joint Connector Nut.

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Knurled Thumb Nuts - Cone / Plastic

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These knurled nuts have a conical design. They feature a knurled outer surface that ensures a secure grip, allowing them to be tightened and loosened quickly and easily without the use of tools. In addition, the textured pattern improves grip, eliminates slippage and ensures a solid hold.

The tapered design also provides greater pressure distribution, resulting in a more even and secure tightening. Its plastic material allows it to withstand repeated use exposed to various weather conditions and resist corrosion or rust. Common applications include electronics, automotive, industrial machinery and switchboards.

  • Material: Nylon
  • Colour: Natural

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Knurled Thumb Nuts - Round/Plastic

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Thumb Nuts, also known as Knurled Nuts, are a type of nut with a knurled outside diameter (surface). This design facilitates manual tightening by hand, and also secures the nut into a handle or cover.

Our knurled thumb nut offer features plastic thumb nuts made from Nylon 6/6; a strong, tough and durable material that is ideal for connecting elements and other technical components. It has self-lubricating properties, and is resistant to moisture, vapour and salt water. Operational temperatures can go up to 100 to 120C, temporarily for non-critical parts. Many nylons are self-extinguishing.

Our nylon thumb nut range also includes options made from Nylon with 30% glass fibre compound. This option is resistant to numerous fluids and chemicals, and is ideal for technical products requiring high dimensional stability and durability at higher operating temperatures. It has good strength and stiffness, in combination with good impact qualities. Excellent for heavy duty handles.

We also offer natural Polycarbonate (PC) plastic knurled thumb nuts. The strong PC material provides an aesthetically pleasing joining solution for applications in Retail and Point of Sale, for example.

  • Quick and easy
  • Tool-free installation and removal
  • Colours: Black, White and Natural.

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Lock & Flange Nuts - Metal

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A Flange Nut is a type of nut that has a wide flange on one side, which acts as an integrated washer. The washer element helps to evenly distribute the pressure of the nut over the application being secured, thus mitigating the likelihood of damage or the chance of loosening, as a result of an uneven surface.

Our metal nuts offer includes a Flange Metal Lock Nut made from Mild Steel. The Steel Flange Nut has a Zinc finish, and features a notched base for broad support. These flange nuts are sure to limit loosening in an array of applications.

  • Threads include; M3, M4, M5 and M6
  • According to DIN 6923, ISO 4161.

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Nyloc Nuts

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Nyloc Nuts are an economical locking nut that are an ideal choice for applications effected by vibration or movement, which can cause the nut assembly to come loose or undo all-together. Our Nyloc Nut range is available Mild Steel with a Zinc Plating.

Mild Steel (or Automat Steel) is often used in applications where a high mechanical strength is needed. It is a suitable alternative to Brass, when conductivity is not a critical element. The Zinc plating provides a professional finish that's RoHS compliant.

  • Thread Sizes: M3, M4, M5 and M6
  • Nut Shape: Hexagonal with a Flange
  • Ratings: DIN 985 ISO 10511

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Standard Hex Nuts - Metal

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Standard Hex nuts are one of the most common nuts available. Used with anchors, bolts, screws, studs, threaded rods and on any other fastener that has machine screw threads. They are often purchased with Single Wave Spring Washers by our customers.

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Standard Hex Nuts - Plastic

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A six-sided fastener with an internally threaded hole, usually used in conjunction with a bolt or screw. Can be fastened in place with tools such as spanners or ratchets.Our Plastic Hex Nuts are regularly purchased with Retaining Washers.

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