Brass Threaded inserts, M2-M12

As low as €8.99
inc. VAT
In stock
Only %1 left
SKU
3830067444944

🔩 3DTrcek Brass Threaded Inserts

Metal-strong, reusable threads for your 3D prints. Heat-set in seconds with a soldering iron and upgrade every joint from fragile plastic to durable, serviceable hardware.

Available in M2–M12 (Standard & Short). Works with PLA, PETG, ABS, ASA, Nylon, and more.

🔥 Heat-Set Install   •   🦾 High Holding Power   •   📐 Precise Fit

Trusted by makers and prototyping teams across Europe.


ENGINEERING-GRADE BRASS THREADED INSERTS

Never strip another 3D print thread again. 3DTrcek Brass Threaded Inserts transform weak plastic threads into industrial-strength connections that last. Effortless & reliable. Available in sizes M2 to M12 for professional strength and durability.

✅ Extreme Pull-Out Resistance
🔥 Fast, Easy Heat-Set Installation
🔬 Precision CNC Machined
📌 Available from M2 to M12
Precision Brass Threaded Inserts Set

Why Choose 3DTrcek Brass Threaded Inserts?

Stop dealing with weak threads and failed assemblies — secure your prints like a pro.

🧪

Wide Material Compatibility

Works with PLA, PETG, ABS, Nylon, TPU, and more.

🔥

Easy Installation

Heat-set with a soldering iron in seconds, no specialized tools necessary.

📏

Versatile Size Range (M2–M12)

From tiny M2 screws for electronics housings to larger M12 threads for heavy-duty functional prototypes.

Install in Seconds, Not Minutes

Our heat-set system makes adding strong threads effortless

Heat

Warm the insert with a soldering iron

Heat step

Insert

Press into pre-designed hole

Insert step

Secure

Let cool for strong, permanent hold

Secure step

Engineered Without Compromise

3DTrcek threaded inserts are precision-machined to the highest standards — for makers who demand professional results.

  • ✅ Precision CNC-machined for perfect threading
  • ✅ Optimized for PLA, PETG, ABS, ASA, Nylon
  • ✅ High-quality brass for optimal heat transfer
  • ✅ Short (S) versions for thin walls & compact parts
  • ✅ Trusted by engineers, designers, and professional makers
Diamond Knurling Closeup

Precision Engineering: Dimensions & Design Guidelines

Find the perfect insert size, installation tip diameter, and recommended wall thickness for flawless results in your 3D prints.

Metric Size Insert Guidelines

Complete Size Chart - Metric Inserts

Type Length
(mm)
Insert Diameter
D1 (mm)
Installation Tip
D2 (mm)
Hole Diameter
D3 (mm)
Min. Wall Thickness
W (mm)
M2 4.0 3.5 3.1 3.2 1.3
M3 5.7 4.6 3.9 4.0 1.6
M3S 4.0 4.6 3.9 4.0 1.6
M4 8.1 6.3 5.5 5.7 2.1
M4S 4.0 6.3 5.5 5.7 2.1
M5 9.5 7.1 6.3 6.5 2.6
M5S 5.8 7.1 6.3 6.5 2.6
M6 12.7 8.7 7.9 8.1 3.3
M8 12.7 10.2 9.5 9.7 4.5
M10 12.7 12.6 11.8 12.0 6
M12 15.6 15.6 13.8 14.0 7

Built for Real Projects

Electronics enclosures, robot arms, drones, furniture jigs, printers & fixtures — anywhere you need reliable assembly.

Enclosures

Robotics

Drones & RC

Fixtures & Jigs

Why Choose 3DTrcek Inserts?

Experience the difference of precision engineering. Stop wasting time on weak threads and failures.

Key Advantage
Generic Inserts
3DTrcek Inserts
Pull-Out Strength

Low resistance

2-3x stronger
Knurl Quality

Inconsistent grip

Precision spiral
Installation Ease

Prone to misalignment

Chamfered for accuracy
Durability

Brittle bonds

Long-lasting hold
Corrosion Resistance

Basic material

High-quality brass
Size Variety

Limited options

M2-M12 incl. shorts
Torque Handling

Low tolerance

High torque resistant
Expert Support

Minimal or none

Real engineers ready to help
Quality Guarantee

Buy at your own risk

Strength satisfaction guaranteed

Hear From Our Satisfied Makers

Don't just take our word for it – see why thousands of 3D printing enthusiasts trust 3DTrcek for their strongest assemblies.

★★★★★

"These inserts transformed my prints! No more stripping – they hold tight every time. Perfect for my functional prototypes."

– David, Hobbyist Maker

★★★★★

"I switched to 3DTrcek for the quality. The precision grip is unmatched, and they've never pulled out in my designs."

– Martin, Product Designer

★★★★★

"As a business owner, reliable threads save me time. 3DTrcek inserts have cut failures and boosted my efficiency."

– Robert, Small Business Owner

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Brass Threaded inserts, M2-M12