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Upgrade Your 3D Prints with Durable Metal Threads
FFVRVSS M4x6x5.5 brass threaded inserts provide a robust solution for adding durable, reusable metal threads to your 3D printed projects and plastic components. This kit includes 100 lead-free brass inserts, designed for easy heat-set installation into thermoplastics like PLA, PETG, and ABS. The 45-degree spiral knurling ensures superior torque resistance and pull-out strength, making them ideal for electronics, furniture, and automotive applications.
Installation is straightforward: heat a soldering iron to the appropriate temperature (200-250°C for PLA, 350-400°C for PETG/ABS), press the insert into a pre-drilled pilot hole (slightly smaller than 5mm outer diameter), and hold for 3-5 seconds as the plastic cools and secures the insert. The built-in guide eliminates the need for countersinking, simplifying the process for makers and hobbyists.
These brass inserts offer excellent thermal conductivity and corrosion resistance, withstanding temperatures above 300°C. They are perfect for creating strong, removable threaded connections in electronics enclosures, circuit boards, toy assembly, and furniture repair. The kit comes in an organized, labeled compartment case for quick access to the M4 size, ensuring you have enough for multiple projects.
Superior Thread Strength for 3D Prints
FFVRVSS M4 brass threaded inserts are engineered to solve the problem of weak, easily stripped screw holes in 3D printed parts. Unlike direct plastic threads, these inserts provide robust, reusable metal threads that withstand higher torque and repeated use. The 45-degree spiral knurling ensures maximum grip, preventing pull-out even in demanding applications. This means your 3D printed creations, from electronics enclosures to functional prototypes, will have reliable, long-lasting connections.
Ideal for Makers, Skip if...
Perfect for 3D printing enthusiasts, DIY repairers, and electronics hobbyists needing durable threaded connections in PLA, PETG, ABS, and other plastics. Skip if you require inserts for metal applications or if your project involves extreme vibration without proper locking mechanisms. Not suitable for direct use without a heat source like a soldering iron.
Typical situations where FFVRVSS M4x6x5.5 Brass Threaded Inserts Kit (100 Pcs) | Heat Set for 3D Printing helps — illustrative scenarios, not customer reviews.
A maker in Bangalore needs to assemble a custom 3D printed enclosure for an electronics project that requires frequent access for maintenance.
Using FFVRVSS M4 brass inserts ensures the enclosure's screw holes remain strong and reusable after multiple openings and closings, preventing stripped plastic threads and ensuring a secure fit for sensitive components.
A hobbyist in Delhi is repairing a plastic toy or furniture item that has stripped screw holes, needing a durable fix for reassembly.
Heat-setting these brass inserts into the damaged plastic provides a robust, permanent metal thread solution, allowing the item to be reassembled securely and withstand future use without further thread wear.
| Primary Material | Lead-Free Brass |
| Thread Type | Internal Metric Thread |
| Temperature Resistance | Above 300°C (572°F) |
| Installation Method | Heat Set (Soldering Iron Required) |
| Recommended Pilot Hole Size | Slightly smaller than 5mm (insert OD) |
| Recommended Iron Temperature | 200-250°C (PLA), 350-400°C (PETG/ABS) |
| Compatible Thermoplastics | PLA, PETG, ABS, PPS, PP |
| Cost per use | 100 Pcs kit — ₹14.20 per insert |
| Feature | FFVRVSS M4x6x5.5 Brass | Others |
|---|---|---|
| Material | Lead-Free Brass | Varies (Brass, Steel, Aluminum) |
| Thread Design | 45° Spiral Knurling | Often Straight or Basic Knurling |
| Installation | Heat Set (Soldering Iron) | Heat Set or Screw-In (Varies) |
| Quantity | 100 Pcs (M4x6x5.5mm) | Varies (often smaller packs or multi-size kits) |
| Cost per Insert | ₹14.20 per insert | ₹10 - ₹30 per insert (approx.) |
| SKU | qcm0801 |
| Brand | FFVRVSS |
| Product Type | Nut Insert |
| Thread Size | M4x6x5.5mm |
| Quantity | 100 Pcs |
| Material | Lead-Free Brass |
| Knurling Style | 45-Degree Spiral |
| Color | Brass |
| Item Shape | Round |
| Finish Type | Brass |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
| Dimensions (Case) | 2.6 x 2.6 x 0.65 inches (approx. 6.6 x 6.6 x 1.65 cm) |
About FFVRVSS
FFVRVSS specializes in high-quality hardware and components for makers, focusing on 3D printing and electronics with durable, reliable solutions.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
FFVRVSS M4x6x5.5 Brass Threaded Inserts Kit (100 Pcs) | Heat Set for 3D Printing
1,420
This item
FFVRVSS M4x6x5.5 Brass Threaded Inserts Kit (100 Pcs) | Heat Set for 3D Printing
1,420
Total price:
5,020
You save 2,270 (31%) Extra3 items selected
3 items
5,020You save 2,270 (31%) Extra
| Attributes |  |  | |||||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 1,420 2,040 | 1,800 2,380 | 1,800 2,870 | 1,420 2,040 | 1,610 2,310 | 1,990 2,750 | 3,530 5,450 |
| Rating | 4.60(47) | 4.80(225) | 4.60(180) | 5.00(1) | 4.60(47) | 4.67(3) | 4.50(1,036) |
| Brand Name | FFVRVSS | PEUTIER | FFVRVSS | FFVRVSS | FFVRVSS | FFVRVSS | Quartet |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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