Ktehloy

361Pcs M3 Heat Set Insert with Screws & Insert Tips Brass Threaded Inserts Female Knurled Nuts Assortment Kit for Plastic and 3D Printing Components

Name: 361Pcs M3 Heat Set Insert with Screws & Insert Tips Brass Threaded Inserts Female Knurled Nuts Assortment Kit for Plastic and 3D Printing Components
Brand: Ktehloy
SKU: B0G8JLX1HR
Price: 14.98 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$14.98

Buy on Amazon — $14.98 Compare to similar tools & maintenance

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The 361Pcs M3 Heat Set Insert with Screws & Insert Tips Brass Threaded Inserts Female Knurled Nuts Assortment Kit for Plastic and 3D Printing Components is a niche pick — read recent reviews before buying in the tools & maintenance category, priced around $14.98. Read recent reviews carefully before committing.

Ktehloy 361Pcs M3 Threaded Inserts with Heat Set Insert Tips & Hex Socket Head Cap Bolt Set, Brass Heat Set Insert for Plastic and 3D Printing Components

SpecPicks Verdict

SpecPicks classifies 361Pcs M3 Heat Set Insert with Screws & Insert Tips Brass Threaded… as a niche pick — read recent reviews before buying in the tools & maintenance category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Ktehloy's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Ktehloy's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

【Package Content】- The package includes 361Pcs M3 Threaded Inserts with Heat Set Insert Tips & amp; Hex Socket Head Cap Bolt Set. With a large quantity available, it meets the needs for connecting numerous 3D printing accessories.
【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes.
【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient.
【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints.
【Wide Application】 - These inserts are designed for use with all thermoplastics, including materials like PLA, PETG, ABS, PPS, PP, and others. Whether installing them in 3D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions.

Full Specifications

Brand	Ktehloy
Color	golden
Model	361Pcs M3 Threaded Inserts Ket
Material	Brass, Carbon Steel
Set Name	M3 Threaded Inserts Ket (361 Piece)
Size Name	M3
Metal Type	Brass, Carbon Steel
Part Number	361Pcs M3 Threaded Inserts Ket
Thread Size	M3
Finish Types	Brass
Thread Style	Right Hand
Fastener Type	Insert
Material Type	Brass, Carbon Steel
Exterior Finish	Brass

Ready to buy?

361Pcs M3 Heat Set Insert with Screws & Insert Tips Brass Threaded Inserts Female Knurled Nuts Assortment Kit for Plastic and 3D Printing Components is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.