What are Helical Inserts and how are they used?

Helical inserts, also known as threaded inserts, are designed to provide durable and reliable threads in materials like aluminum, plastic, or wood. They are typically used to reinforce stripped threads or create sturdy threads in soft materials. By being installed into a pre-drilled hole, these inserts allow for high-strength connections and can withstand heavy loads in applications such as automotive, aerospace, or furniture manufacturing. For example, using a helical insert in an aluminum housing can reinforce threads for mounting heavy components.

What is the material composition of the 304SS Helical Insert?

The 304SS, or Type 304 Stainless Steel, used in these helical inserts has excellent resistance to corrosion and is well-suited for both indoor and outdoor applications. It contains nickel and chromium, providing strength and a lustrous finish that resists rust and staining. This makes them ideal for environments that may be exposed to moisture or chemicals, such as marine applications or food processing industries. Therefore, if you require a strong, corrosion-resistant insert, 304SS is an excellent choice.

What does the '516-18' designation mean?

The '516-18' designation refers to the threading specifications of the helical insert. It indicates that the insert has a 5/16-inch diameter and 18 threads per inch (TPI). This means it creates a standardized thread pattern that fits perfectly with corresponding fasteners, making it a versatile choice for various construction and repair tasks. When using these inserts, ensure you match the thread size to your application, so the fit is secure and effective.

How do you install a helical insert?

Installing a helical insert involves a few straightforward steps. First, drill a hole to the specified size, following the instructions provided with your insert kit. Next, use a tap to create the matching threads in the hole. Finally, insert the helical coil using a special installation tool for a secure fit. For instance, if you are repairing a stripped hole in a machine part, these inserts can restore the integrity of the thread, allowing you to reattach components securely.

Can helical inserts be used in plastic materials?

Yes, helical inserts can be effectively used in plastic materials, providing a strong and stable threaded interface. They are ideal for reinforcing soft plastics that tend to strip easily. In applications such as automotive interiors or electronic housing, where high strength is required without compromising weight, using these inserts helps maintain structural integrity and offers a reliable connection point for screws and bolts.

Are helical inserts removable or reusable?

While helical inserts are designed for high strength and durability, they are primarily meant for permanent installation. However, in certain scenarios, they can be removed using specific tools designed for extraction. Reusing them is not typically recommended, especially if they have been subject to extreme loads or stress, as their structural integrity may be compromised. It’s best to install a new insert if removal is necessary for safety and reliability in high-stress applications.

What applications are best suited for 304SS helical inserts?

304SS helical inserts are suitable for a wide range of applications including automotive, aerospace, marine, and construction projects. Their corrosion resistance makes them excellent for outdoor settings and in environments where moisture exposure is expected. For instance, in marine applications, these inserts ensure that mounting points for equipment remain secure despite harsh weather conditions. Similarly, in automotive parts, they provide a strong thread for mechanical components that endure significant operational forces.

How many helical inserts are included in a package?

A standard package of the Helical Insert, 304SS, 516-18, comes with 12 inserts. This quantity allows users to perform multiple repairs or installations without the need to buy in bulk frequently. Whether you are working on a single project or multiple installations, having a sufficient number of inserts makes your task more efficient. It also provides room for mistakes or mishaps during installation, ensuring that your project stays on track.

Where can I buy Helical Insert, 304SS, 516-18, PK12?

You can buy Helical Insert, 304SS, 516-18, PK12 from Ubuy in Norway. Ubuy offers a wide variety of products, ensuring you find the right helical inserts for your projects. Their platform simplifies your shopping experience, allowing you to check for product availability and find essential hardware components conveniently.

What makes 304SS helical inserts more reliable than other materials?

304SS helical inserts stand out due to their high resistance to corrosion and ability to withstand extreme conditions. Unlike inserts made from lower-grade materials, 304SS offers enhanced durability in challenging environments, making them more reliable for long-term use. This is especially pertinent in industries such as marine or food processing, where hygiene and rust prevention are critical. Utilizing 304SS inserts ensures your connections remain strong and effective over time, reducing the need for frequent replacements.

Hvordan handle Helical Insert, 304SS, 5/16-18, PK12 online fra Ubuy?

Det er enkelt å handle Helical Insert, 304SS, 5/16-18, PK12 online fra Ubuy.. Du trenger bare å søke etter produktet, velge fraktmetode mens du sjekker ut og få det levert til ditt sted.

Er Helical Insert, 304SS, 5/16-18, PK12 tilgjengelig for nettbutikk i Norway?

Ja, hos Ubuy Norway er dette produktet tilgjengelig for deg å handle til en rimelig pris.. Helical Insert, 304SS, 5/16-18, PK12 er ikke tilgjengelig lokalt, men du kan stole på oss med våre ekspressfrakttjenester.

Hvor lang tid tar det å få produktet etter bestillingen?

Leveringstiden for det bestilte produktet ditt varierer i henhold til hva du har bestilt og fraktmetoden du har valgt.. Den estimerte leveringstiden er nevnt under utsjekkingsprosessen, så vær bekymringsløs mens du handler.

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High quality 304 stainless steel helical insert with a tensile strength of 200,000 to 250,000 PSI, perfect for metal applications and made in America.

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Helical Insert, 304SS, 5/16-18, PK12

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vare #: 2157242

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High quality 304 stainless steel helical insert with a tensile strength of 200,000 to 250,000 PSI, perfect for metal applications and made in America.

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Det som utmerker seg

Durable Material

Constructed from 304 stainless steel, these helical inserts resist corrosion and wear, ensuring longevity and reliability in various applications.

Easy Installation

Designed for straightforward installation, these inserts simplify threaded repairs, saving time and reducing the complexity for both professionals and DIY enthusiasts.

Versatile Application

With a 5/16-18 thread size, these inserts are ideal for diverse industries, providing strong, permanent threads in soft materials, enhancing usability across different projects.

Produkt detaljer

Made in America
Package Dimensions: 18.0 L x 21.0 H x 18.0 W (inches), Package Weight: 4.03 pounds
Fit Type: Universal
Helical Insert,
Internal Thread Size 5/16-18, UNC Thread Type, Right Hand Thread Direction
304 Stainless Steel, Length 0.469 In, Free Coil Dia. 0.390 In, Tensile Strength 200,000 to 250,000 PSI, Rockwell Hardness C43-C50

Fastener Type	Insert
Thread Size	5/16
Exterior Finish	Polished
Color	Factory
Thread Type	Unified National Coarse
Inside Thread Size	5/16-18
Thread Style	Right Hand
Thread Class	Class 2A
Screw Head Style	Flat
Compatible Groove Diameter	0.31 inches
Drive Style	External Hex
Grade Rating	Industrial
Item Dimensions	2.6 x 2.6 x 0.7 inches (6.6 x 6.6 x 1.8 cm)
Size Name	No Size
Item Diameter	0.31 inches (0.79 cm)
Outside Diameter	0.31 inches
Material Type	Plastic
Metal Type	Aluminum, Stainless Steel
Finish Types	Unfinished
Brand	Helicoil
UPC	025964100115
Set Name	Helical Insert Set (12 Piece)
Global Trade Identification Number	00025964100115
Manufacturer	Helicoil
Unit Count	1 Count
Included Components	Unit^Instruction Guide
Item Type Name	Helical Insert, 304SS, 5/16-18, PK12
Model	R11855
Number Of Items	1
Part Number	R1185-5
Material	Plastic

Hvem passer produktet for?

DIY Enthusiasts
Ideal for home projects requiring durable and reliable threading for metal components, ensuring strong connections.
Small Manufacturers
Great choice for businesses that require consistent quality in inserts for production, offering enhanced thread durability.
Automotive Repairs
Perfect for automotive applications needing to repair stripped threads in metal parts, ensuring longevity and stability.

Casual Users
Not suitable for occasional users who need only a few inserts, as the package contains 12 pieces.

PRODUKTBESKRIVELSE

Helical Insert, 304SS, 5/16-18, PK12

About This Item

Introducing our Helical Insert for your construction and metalworking needs. Crafted from high-quality 304 stainless steel, these inserts are designed to provide superior strength and durability. With an internal thread size of 5/16-18, these inserts are perfect for a variety of applications.

The UNC thread type and right-handed thread direction ensure easy installation and a secure fit. Measuring at a length of 0.469 inches and a free coil diameter of 0.390 inches, these inserts offer a precise fit for your project. The tap size of 5/16-18 STI and aluminum drill size of Q further enhance their versatility. These inserts boast a impressive tensile strength of 200,000 to 250,000 PSI, ensuring they can handle even the toughest jobs.

With a Rockwell hardness of C43-C50, you can trust in their long-lasting performance. Designed for use with various metals, these inserts come in a convenient package quantity of 12, allowing you to stock up for your projects. Whether you're working on a professional construction project or a DIY enthusiast, our Helical Insert is the perfect choice for you. Experience the unparalleled strength and reliability of 304 stainless steel today.

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Kundespørsmål og svar

Spørsmål: Hvordan handle Helical Insert, 304SS, 5/16-18, PK12 online fra Ubuy?

Svar: Det er enkelt å handle Helical Insert, 304SS, 5/16-18, PK12 online fra Ubuy.. Du trenger bare å søke etter produktet, velge fraktmetode mens du sjekker ut og få det levert til ditt sted.
Spørsmål: Er Helical Insert, 304SS, 5/16-18, PK12 tilgjengelig for nettbutikk i Norway?

Svar: Ja, hos Ubuy Norway er dette produktet tilgjengelig for deg å handle til en rimelig pris.. Helical Insert, 304SS, 5/16-18, PK12 er ikke tilgjengelig lokalt, men du kan stole på oss med våre ekspressfrakttjenester.
Spørsmål: Hvor lang tid tar det å få produktet etter bestillingen?

Svar: Leveringstiden for det bestilte produktet ditt varierer i henhold til hva du har bestilt og fraktmetoden du har valgt.. Den estimerte leveringstiden er nevnt under utsjekkingsprosessen, så vær bekymringsløs mens du handler.

Helicoil Helical Threaded Inserts Editorial Review

The Helical Insert 304SS, 5/16-18 received positive feedback from customers regarding its performance and quality. One customer mentioned that it can repair threads to better than new, while another stated that it is a well-made product at a fair price. The product was also noted as a lifesaver for repairing stripped threads on items such as bead lock wheels. Overall, customers were satisfied with the product and its ability to quickly create strong new threads.

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Repairs threads to better than new
Well-made product at a fair price
Fast shipping

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May require additional tools for certain applications

Plattformtillit og kjøpstrygghet

4.2/5 9704 reviews

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“Great products and very good service: very easy and very fast international delivery.”

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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

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304 stainless steel helical insert
Tensile strength: 200,000 to 250,000 PSI
Ideal for metal applications
Made in America
Internal thread size: 5/16-18 UNC
Package quantity: 12

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Helical Insert, 304SS, 5/16-18, PK12

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Produkt detaljer

Hvem passer produktet for?

PRODUKTBESKRIVELSE

About This Item

Kundespørsmål og svar

Helicoil Helical Threaded Inserts Editorial Review

Kundeanmeldelser og vurderinger

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