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 Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$14.98

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*Price sourced from Amazon.com. 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. Compare close alternatives 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 scored 361Pcs M3 Heat Set Insert with Screws & Insert Tips Brass Threaded… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the tools & maintenance category. Ktehloy's tools & maintenance lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. 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

✗ Check battery runtime and RPM/CFM specs match your case size and cleaning frequency
✗ 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
Item Dimensions	5.91 x 4.17 x 0.62 inches
Number Of Items	361
Thread Coverage	Fully Threaded
Number of Pieces	361
Screw Head Style	Hex
Compatible Groove Diameter	3.1 Millimeters

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 sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Price and availability subject to change.