What thread size and standard does this fitting nut use?

The FFVRVSS kit includes M2, M2.5, M3, M4, and M5 metric thread sizes. These are designed for use with standard metric screws and bolts, ensuring compatibility with your 3D printed projects and plastic assemblies.

What material is this fitting nut made from?

These fitting nuts are made from high-quality, lead-free brass. This material offers excellent thermal conductivity for easy heat-set installation and good corrosion resistance, making them durable for long-term use in various applications.

How do I install these brass threaded inserts?

Installation is simple: print or drill a pilot hole, attach the correct heat-set tip to your soldering iron, heat to the recommended temperature (200-400°C), press the insert straight into the hole until flush, and hold for 3-5 seconds while it cools and locks in place.

Are these brass inserts suitable for all types of plastic?

Yes, these inserts are universally compatible with most thermoplastics including PLA, PETG, ABS, PPS, PP, and TPU. They are designed to create strong, reusable threads without damaging the plastic during installation.

What is the benefit of the 45-degree spiral knurling?

The 45-degree opposing spiral knurling provides superior torque resistance and pull-out strength compared to straight-thread inserts. This ensures a very secure and reliable connection once the insert is heat-set into the plastic.

How to choose the right size nut for my project?

The kit includes M2, M2.5, M3, M4, and M5 sizes. Select the insert size based on the screw or bolt you intend to use and the thickness of the plastic component. Refer to your project's design specifications for the appropriate thread size.

What is the best nut for 3D printing projects?

For 3D printing projects requiring strong, reusable threads, heat-set brass threaded inserts like the FFVRVSS kit are considered excellent. They offer superior grip and durability compared to printed-in threads or basic plastic nuts.

Can I use these nuts daily?

Yes, these brass threaded inserts are designed for repeated use. Their durable construction allows for frequent insertion and removal of screws, making them ideal for applications that require regular assembly or disassembly.

What are the side effects of using brass threaded inserts?

Brass threaded inserts are generally safe and do not have negative side effects when used as intended. They are made from lead-free brass, which is a stable material. Ensure proper installation to avoid damaging the plastic component.

What are the benefits of using brass threaded inserts?

The benefits include creating strong, durable, and reusable threaded connections in plastic parts, preventing stripped screw holes, improving assembly strength, and allowing for repeated screw insertion and removal without damaging the plastic.

How to buy an original FFVRVSS Brass Threaded Inserts Kit in India?

Purchase directly from crowcrowcrow.com to ensure you receive an original, factory-sealed FFVRVSS Brass Threaded Inserts Kit, sourced from authorized US retailers and authorized brand partners. All customs duties and GST are included, and your order is shipped via ExpressBox with tracking.

FFVRVSS Brass Threaded Inserts M2-M5 Kit | 300+6Pcs Heat Set Nuts for 3D Printing India

Name: FFVRVSS Brass Threaded Inserts Kit M2-M5 (300+6Pcs) | Heat Set Nuts for 3D Printing & Plastics
Brand: FFVRVSS
SKU: ryk9155
Price: 1298.00 INR
Availability: InStock

About this item

The FFVRVSS Brass Threaded Inserts Kit provides a comprehensive solution for adding durable, reusable metal threads to plastic components. This kit includes 300 lead-free brass inserts in M2, M2.5, M3, M4, and M5 sizes, along with 5 heat-set tips and a soldering iron tip adapter. Designed for makers and hobbyists, these inserts enhance the strength and longevity of 3D printed parts, electronics enclosures, and various repair projects.

Each insert features 45-degree spiral knurling for superior torque resistance and pull-out strength compared to straight-thread designs. Installation is straightforward: heat a soldering iron, press the insert into a pilot hole, and allow the plastic to cool and lock it in place. The lead-free brass construction offers excellent thermal conductivity and corrosion resistance, withstanding temperatures above 300°C. This kit is compatible with common thermoplastics like PLA, PETG, ABS, and PP.

This kit is imported for Indian makers seeking robust connections for their projects. All customs duties and GST are included in the listed price. Delivery is handled via ExpressBox, ensuring your order arrives safely and efficiently. The organized storage case keeps all 306 pieces, including the M2-M5 heat-set tips and iron adapter, neatly sorted for quick access.

Key Features

ALL-IN-ONE 3D PRINTING KIT — 300Pcs lead-free brass threaded inserts (M2, M2.5, M3, M4, M5) + 5 heat-set tips & 1 soldering iron adapter. Includes the most-used, data-selected sizes to create strong, reusable threads in PLA, PETG, ABS, TPU, and other plastics. Everything you need comes neatly organized in a labeled storage case—no separate purchases required
PREMIUM LEAD-FREE BRASS — High-quality lead-free brass with excellent thermal conductivity and corrosion resistance. Withstands above 300°C/572°F. Clean, precise threads resist stripping, breaking, and deformation for reliable long-term use
BUILT FOR MAKERS AND HOBBYISTS — Designed for 3D printing enthusiasts, prototypers, and DIY repair. Works with all thermoplastics including PLA, PETG, ABS, PPS, and PP. Ideal for electronics, toys, furniture, automotive casings, and laptop housings
45-DEGREE SPIRAL KNURLING — Opposing spiral knurling delivers high torque resistance and pull-out strength vs straight-thread inserts. Built-in guide means no countersinking - just heat with a soldering iron and press in for a firm, permanent hold
ORGANIZED AND READY TO USE — Each size in its own labeled compartment for quick access. Includes 5 heat-set tips (M2-M5) and 1 iron adapter. Compact sturdy case fits any toolbox. Backed by strict quality inspection and responsive customer support

Why choose this product

Enhance Your 3D Prints & Projects

Upgrade your 3D printed parts with durable, reusable metal threads using the FFVRVSS Brass Threaded Inserts Kit. This all-in-one solution provides the tools and components needed to create strong, reliable connections in plastics like PLA, PETG, and ABS. Say goodbye to stripped screw holes and hello to professional-grade finishes for your electronics enclosures, circuit boards, and DIY repairs. The lead-free brass construction ensures longevity and excellent thermal performance, making it a superior choice for demanding applications.

Ideal for Indian Makers

This kit is perfect for hobbyists and professionals in India looking for high-quality hardware. The 306-piece assortment covers common metric sizes (M2-M5), ensuring you have the right insert for most projects. While local hardware stores may offer basic nuts, this kit provides specialized heat-set inserts with superior grip and easy installation. It's ideal for anyone building custom enclosures, repairing electronics, or assembling furniture where strong, removable threaded connections are essential.

How to use

Print or drill a pilot hole in your plastic component. The hole diameter should be slightly smaller than the outer diameter of the brass insert you are using. — Prepare Pilot Hole
Attach the appropriate heat-set tip (M2-M5) to your soldering iron. Heat the iron to the recommended temperature: 200-250°C for PLA, or 350-400°C for PETG/ABS. — Heat Soldering Iron
Align the brass insert with the pilot hole and press it straight in using the heated soldering iron. Hold steady for 3-5 seconds while the plastic melts and cools, locking the insert firmly in place. — Press and Hold Insert

Example scenarios

Typical situations where FFVRVSS Brass Threaded Inserts Kit M2-M5 (300+6Pcs) | Heat Set Nuts for 3D Printing & Plastics helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A maker in Bangalore needs to assemble a custom electronics enclosure for a Raspberry Pi project.

How this product helps

Using the M2.5 or M3 FFVRVSS inserts ensures secure mounting of the circuit board and access panels, preventing loose connections common with direct plastic threading.

Scenario 2

Illustrative example

Where it helps

A hobbyist in Delhi is repairing a broken plastic casing on a drone or toy.

How this product helps

The FFVRVSS kit allows for strong, repeatable screw connections, restoring the integrity of the plastic housing and enabling easy disassembly for future maintenance.

Specifications & installation

Specifications

Material	Lead-free Brass
Temperature Resistance	Above 300°C (572°F)
Knurling	45-degree Spiral
Plastic Compatibility	PLA, PETG, ABS, PPS, PP, TPU

Installation & usage

Installation Method	Heat-set with soldering iron (200-400°C depending on plastic)
Pilot Hole Size	Slightly smaller than insert's outer diameter
Hold Time	3-5 seconds while cooling
Cost per use	306 inserts in kit — ₹4.24 per insert
Shelf life after opening	Indefinite (metal components)
Contraindications	Not suitable for metal-to-metal connections; requires heat-set installation.
Allergens / common irritants	Lead-free brass is generally considered safe for most applications; avoid prolonged skin contact if sensitive.

How we compare

Feature	FFVRVSS Brass Threaded	Others
Material	Lead-free Brass (High thermal conductivity, corrosion-resistant)	Varies: Basic brass, plated steel, or plastic nuts. May lack corrosion resistance or heat tolerance.
Installation Method	Heat-set with soldering iron (easy, secure)	Often requires drilling and tapping, or press-fit which can be less secure.
Grip & Strength	45° Spiral knurling for superior torque & pull-out resistance	Typically straight knurling or smooth, offering lower resistance.
Kit Inclusions	300 inserts + 5 heat tips + 1 adapter + organized case	Often sold as inserts only, requiring separate purchase of tools and case.
Cost per insert	306 inserts — ₹4.24 per insert	Local brass inserts can range from ₹5-₹20 per piece depending on size and quality.

SKU	ryk9155
Brand	FFVRVSS
Set Name	300Pcs M2-M5 Kit+Tools
Item Name	FFVRVSS 300+6Pcs Brass Threaded Inserts M2 M2.5 M3 M4 M5 for 3D Printing
Material	Brass
Metal Type	Brass
Exterior Finish	Brushed
Item Shape	Hexagonal
Thread Size	M2, M2.5, M3, M4, M5
Thread Style	Spiral
Thread Coverage	Fully Threaded
Fastener Type	Insert
Number of Items	306
Number of Pieces	306
Item Package Quantity	1
Dimensions (L x W x H)	10.9 cm x 6.2 cm x 1.7 cm (4.3 x 2.6 x 0.65 inches)
Item Package Weight	0.082 kg (0.18 lbs)
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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FFVRVSS Brass Threaded Inserts Kit M2-M5 (300+6Pcs) | Heat Set Nuts for 3D Printing & Plastics

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