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Dadi

 (30 categorie prodotti)

I dadi sono componenti fondamentali utilizzati per fissare due o più oggetti insieme tramite una vite o una barra filettata. La funzione principale dei dadi è quella di fornire un punto di fissaggio sicuro e regolabile.

Tipologia di Dadi Meccanici


Essentra ha nella propria gamma una varietà di dadi di diverse forme, filettature, materiali che si adattano a molteplici applicazioni che spaziano dall'automazione, ai mobili fino ad ambienti igienici garantendo resistenza, solidità e versatilità.
Oltre ai dadi esagonali, ai dadi flangiati, dadi a cupola e dadi ad alette o a farfalla potrete scegliere la nuova gamma di dadi e bulloni di tenuta con guarnizione integrata.

Materiali dei Dadi di Fissaggio


Potrete scegliere tra dadi in plastica, dadi in metallo, dadi in acciaio inossidabile, dadi in bronzo e dadi in PEEK.

Elenco Griglia

Lock Nuts - Slip-On

Disponibile - Per maggiori informazioni visita le FAQ In produzione

These Slip-On Lock Nuts are designed for speedy assembly and tight fixing, preventing screws or bolts from spinning, sliding, or coming free. It eliminates the need for time-consuming winding and unwinding on lengthy threads and the risk of breaking the threads.

It is zinc plated for corrosion resistance and may be slipped over broken or bent studding up to a 20-degree angle. It is suitable for use outside and is both maintenance-free and reusable. It assembles and disassembles 50% faster, saving time and effort in usage.

Simple to install in confined locations and does not require a specialised spanner. Simply open the lock nut, position it as desired, and then tighten it with a spanner. In addition, it can withstand temperatures of up to +150C. Commonly used in construction, scaffolding, automotive, and mechanical applications.

  • It may be slipped over broken or bent studding up to a 20-degree angle.
  • It is reusable and assembles and disassembles 50% faster, saving time and effort in usage.
  • It can withstand temperatures of up to +150C.
Material: Steel

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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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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

Disponibile - Per maggiori informazioni visita le FAQ In produzione

These Dome Nuts are a durable, reliable, and versatile fastening solution. Their dome-shaped design provides improved grip and stability when connecting different materials. It is great for covering and protecting a bolt or screw while offering a neat appearance in various applications.

It is used in applications where the nut must be electrically, chemically, and thermally resistant and aesthetically beautiful. It also locks into place and is lightweight. Suitable for a wide range of applications such as electrical circuit breakers and fuse, electronics, and machinery.

  • Material: Nylon
  • Colour: Natural, Black
  • DIN 1587 rated

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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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Wing & Fly Nuts - Plastic Wing Nuts

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Wing Nuts, also known as Wingnut or a Butterfly Nut, is a type of nut; which similarly to Fly Nuts, has two thumb tabs (or wings) on either side. This means the wing nut can be fastened or removed by hand, with no requirement for tools. The tabs offer extra grip, making this process easy and quick.

Our wingnuts comprise of Plastic Wing Nuts made from Nylon 6/6 that are natural in appearance.

The Plastic Wing Nut range is available in various thread sizes, including; M3, M4, M5, M6, M8, M10 nd M12.

  • Material: Nylon
  • Colour: Natural
  • DIN 315 rated
  • RoHS standard

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Wing & Fly Nuts - Metal Wing Nuts

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Wing & Fly Nuts are essential fasteners designed to provide secure and convenient assembly solutions in various industries. Specifically, Metal Wing Nuts are a popular choice due to their unique characteristics and numerous benefits. With their distinct wing-like projections, these nuts offer easy installation and removal without the need for additional tools. Metal Wing Nuts excel in applications where quick adjustments, frequent disassembly, or hand tightening is required.

One of the main characteristics of Metal Wing Nuts is their robust construction. These nuts are typically made from high-quality metal alloys, ensuring strength, durability, and resistance to corrosion. The wing-like projections on the sides of the nuts provide an ergonomic grip, allowing for easy hand tightening or loosening. This feature eliminates the need for specialized tools, saving time and effort during assembly or maintenance tasks. Metal Wing Nuts are available in various sizes and thread types, allowing for compatibility with a wide range of bolts and threaded rods.

  • Material: Steel
  • Finish: Zinc Plated

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Wing & Fly Nuts - Plastic Fly Nuts

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Fly Nuts are a type of Wing Nut, which are sometimes known as Finger Nuts. This is because the Fly Nut, like Wing Nuts, has two thumb tabs (or wings) on either side that provide extra grip during assembly. This allows for tool-free installation and removal, which is also quick and easy.

Our Fly Nut range is made from Nylon 6/6, and is available in a Natural appearance or in White RAL 9010. Two variations of these nuts are available; the first features wings that are aligned with nuts body length, and the others wings exceed the length of the body.

  • Thread Sizes: M4, M5, M6 and M8.
  • Material: Nylon
  • Colour: Natural

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Cage Nuts

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Cage nuts are designed to be used in a square or rectangular hole in a panel. It protects equipment from stripped threads and allows for easy attachment of server rack equipment. Because the sheet metal is too thin to tap or thread, the metal nut may be easily replaced if the threads are destroyed.

It provides a secure and stable connection and is a tool-free solution, making installation easier and eliminating the need for additional tools. Once inserted, it keeps firmly in place, ensuring a connection that can endure vibrations and other external forces. Used in applications such as electronic equipment, telecommunications such as frames and cabinets or industrial machinery. Available in M5, M6 and M8 thread sizes.

  • Material: Steel
  • Finish: Zinc Plated

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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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Nyloc Nuts

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Locking Nuts prevent any loosening thanks to their excellent anti-vibration properties.

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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.

  • The nut is threaded onto the screw and moves along the length of the screw as it rotates
  • It is used in the automotive, aerospace or construction industries
  • Available as standard right-hand thread cylindrical steel nuts as well as left-hand threaded.
Material: SteelColour: Material Flammability Standard:

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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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Cam Lock Nuts

Disponibile - Per maggiori informazioni visita le FAQ In produzione

Cam Lock Nuts are usually used in furniture and cabinet making industries. They are used to create a secure joint when assembling and connecting furniture. They feature a cross-shaped driver type.

The Cam Lock Nut is inserted into a pre-drilled hole found in one one of the furniture panels, such as a wooden board. They are then tapped into place with a hammer. They are self-locking to prevent rotation during hand or automatic assembly.

  • Material: Zinc Alloy
  • Finish Options: Nickel Plating, Zinc Plating (Zamak), Collinox Light Plating or No Finish

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Joint Connector Nuts

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Joint Connector Nuts, are a joint connector that offers supreme protection against oxidation. The nut has a hexagonal drive that is suitable for an M5 Allen Key. This makes them quick and simple to install.

Commonly used in combination with Joint Connector Bolts to connect and join together component parts. They are suitable for wooden assemblies, including flat packed furniture and timber framing.

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

  • Material: Steel
  • Finish: Zinc Plating

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Integral Seal Hex Nuts

Disponibile - Per maggiori informazioni visita le FAQ In produzione

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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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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Standard Hex Nuts - Metal

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Standard Hex Nuts - Metal are essential fasteners that provide reliable and secure connections in various applications. These nuts feature a hexagonal shape with internal threads, allowing them to be easily tightened onto bolts, screws, or threaded rods. Manufactured using high-quality metal materials such as steel or stainless steel, Standard Hex Nuts offer excellent strength, durability, and resistance to corrosion. The versatile design and reliable performance of these nuts make them suitable for numerous industries and applications.

One of the main characteristics of Standard Hex Nuts - Metal is their compatibility with a wide range of fasteners. The hexagonal shape enables easy gripping and tightening using a standard wrench or spanner, providing a secure and tight connection. The internal threads of these nuts ensure a precise fit with corresponding bolts or screws, preventing loosening or slipping over time. Standard Hex Nuts - Metal are available in different sizes, thread pitches, and materials, allowing for customization based on specific application requirements. Additionally, their metal construction offers excellent strength and durability, making them capable of withstanding high loads and harsh environmental conditions.

  • Material: Stainless Steel, Mild Steel
  • Colour: Natural

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Standard Hex Nuts - Plastic

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Standard Hex Nuts - Plastic are versatile and lightweight fasteners that offer reliable and secure connections in a variety of applications. These nuts feature a hexagonal shape with internal threads, allowing for easy tightening onto bolts, screws, or threaded rods. Manufactured using high-quality plastic materials such as nylon or polypropylene, Standard Hex Nuts - Plastic provide excellent resistance to corrosion, chemicals, and electrical conductivity. Their unique characteristics make them suitable for numerous industries and applications.

One of the main characteristics of Standard Hex Nuts - Plastic is their lightweight and non-conductive nature. Plastic nuts are significantly lighter than their metal counterparts, making them ideal for applications where weight reduction is crucial. The non-conductive property of plastic ensures electrical insulation, preventing the risk of short circuits or electrical interference. Standard Hex Nuts - Plastic are available in various sizes and thread pitches, providing flexibility for different applications. Additionally, their plastic construction offers resistance to corrosion, chemicals, and harsh environmental conditions, making them suitable for both indoor and outdoor use.

  • Material: PC, PA, PP, PVDF, PEEK
  • Colour: Natural, Brown, Black, Light Brown, Clear
  • Material Flammability Standard: UL94 V-2, , UL94 V-0

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Button Thread Nuts - Kwik Nut

Disponibile - Per maggiori informazioni visita le FAQ In produzione

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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Lock & Flange Nuts - Metal

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A 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.

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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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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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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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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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