Screws City
✓Price
$44.99
LEPEVNEY 60Pcs M4 Knurled Threaded Insert Nuts - 8mm Length, 6mm OD - Brass Female Heat Set Inserts for 3D Printing and Heat Set Embedment
★★★★★
$44.99
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About this item
- Thread Dia: M3/M4/M5/M6
- Material：Made of durable brass material with high hardness. Provides excellent mechanical properties and increased resistance to corrosion and heat.
- Embedded nut with guide eliminates the need for counterbore or countersink. Smooth surface, firm and uniform, easy to install.
- Embossing process on outer diameter creates friction and bite force for secure fixation. Resists falling off easily, providing torsion and tension.
- Can be installed ultrasonically or with heat into plastic matrix, or formed during injection. Widely used in 3D printing injection molding for tight fixation.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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