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HARFINGTON 20pcs Thread Repair Inserts M3 x 0.5 Male to M2 x 0.4 Female Thread 4mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners - size: M3 x 0.5 Male to M2 x 0.4 Female x 4mm

HARFINGTON 20pcs Thread Repair Inserts M3 x 0.5 Male to M2 x 0.4 Female Thread 4mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners - size: M3 x 0.5 Male to M2 x 0.4 Female x 4mm

$20.24 USD
$20.24 USD
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Taxes included. Shipping calculated at checkout.

About this item

  • Size - These thread repair inserts feature an internal thread size of M2 x 0.4 and an external thread size of M3 x 0.5, with small groove, making them suitable for a variety of applications. Measuring 4mm (0.16") in length, the threaded inserts are easy to use for a wide range of threading needs.
  • Material - Made from a non-magnetic and easily machined stainless steel, 303 stainless steel threaded inserts offer good corrosion resistance, high tensile strength and hardness, high temperature resistance and thread accuracy. They are passivated for increased corrosion resistance and a smooth, clean surface finish, and extending their service life and ensuring long-term performance.
  • Features - Threaded reducers can greatly improve the strength and stability of threaded connections. The threading sleeves can be reused and installed into threaded holes to repair damaged threads. Stainless steel threaded inserts have deep, clear threads and even force, providing a cost-effective solution for repairing mis-threaded or damaged internal threaded holes.
  • Applications - Thread repair inserts are widely used in aviation, automobiles, steam turbines, molds, computers, lamps, mechanical equipment, radiators and household appliances, etc. to ensure safe and stable thread repair. Threaded reducer is a reliable choice for a variety of applications where durability and performance are key requirements. Can be used for parts that require frequent disassembly.
  • Notes - The bottom of the thread repair sleeve is designed with a small groove for easy screwing in during installation. Installation is quick and easy, and only one assembly tool is required. Make sure threaded inserts are installed correctly using the proper tools and techniques to prevent damage and ensure a secure tightening. Be careful when inserting screws or bolts into threaded inserts to avoid cross-threading.

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Ethan Miller — Austin, Texas

    FixTimber made it easier to find practical supplies for several wood repairs around my home. The products were clearly presented, and the items I ordered worked well for filling damaged areas and completing small maintenance projects. I would shop here again for future repairs.

  • ⭐⭐⭐⭐⭐

    Laura Bennett — Portland, Oregon

    I ordered a selection of fasteners, sealants, and wood-finishing supplies for an exterior repair project. Everything fit the type of work I had planned, and the collection categories made it simple to compare the available options. Overall, it was a convenient shopping experience.

  • ⭐⭐⭐⭐⭐

    Michael Turner — Denver, Colorado

    The repair tools and structural hardware I purchased were useful for reinforcing a few areas of my wooden deck. I appreciated being able to find related supplies in one place. The products felt practical for regular maintenance and small improvement projects.

  • ⭐⭐⭐⭐⭐

    Rachel Collins — Raleigh, North Carolina

    I needed supplies for repairing and refinishing weathered wood around my porch. FixTimber offered a helpful range of preparation, repair, and finishing products that suited different stages of the project. The items helped make the work feel more organized and manageable.

FAQ

What types of products does FixTimber offer?

FixTimber offers supplies for repairing, reinforcing, sealing, weatherproofing, preparing, and finishing wood-frame homes. Our collections include wood repair compounds, adhesives, fasteners, structural hardware, exterior hardware, weatherproofing materials, finishing products, and repair tools.

How do I know whether a product is suitable for my project?

Review the product description, intended application, dimensions, materials, compatibility information, and installation requirements before ordering. If you are uncertain, contact us with details about your project and the product you are considering.

Are your products suitable for outdoor use?

Some products are designed for exterior applications, while others are intended only for indoor or protected areas. Check the individual product page for information about weather resistance, moisture exposure, temperature limits, and suitable surfaces.

Can I use these products for structural repairs?

Certain fasteners and connectors may be intended for structural applications, but suitability depends on the building design, load requirements, local codes, and installation method. Structural repairs should be evaluated and completed by a qualified professional when appropriate

Do products include installation instructions?

Instructions may be included with certain products or provided on their product pages. Instructions and accessories vary by manufacturer. Always follow the supplied directions and applicable safety requirements

How can I choose the correct size of hardware or fastener?

Measure the relevant lumber, opening, connection, or existing component carefully. Compare those measurements with the dimensions and specifications shown on the product page. Do not select structural hardware based on appearance alone.

Will product colors and wood finishes look exactly like the images?

Colors may appear different because of lighting, screen settings, wood species, surface preparation, and application method. Test stains, fillers, waxes, oils, and coatings on a small inconspicuous area before completing the entire project

How long does order processing and delivery take?

Processing and delivery times depend on the product, destination, carrier, and current order volume. Estimated delivery information may be displayed during checkout or provided after the order is processed. Please review our Shipping & Delivery Policy for additional details.

Can I return a product if it does not work for my project?

Eligible items may be returned in accordance with our Return & Refund Policy. Return conditions, time limits, exclusions, and instructions may vary, so review the policy before opening, installing, mixing, or using a product.

How can I contact FixTimber for assistance?

Email us at dovguorveethar@gmail.com or call +1 (936) 260-5549. When contacting us about an order, include your order number and a brief description of your question so we can assist you more efficiently.

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