Screws City
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$16.23
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1/4-20 Threaded Inserts,50Pcs 1/4-20 * 12.7 * 8.7mm C3640 Brass Heat Set Insert,Imperial Knurled Nuts,Standard Female Thread Hardware Nuts for Plastic and 3D Printing Components
★★★★★
$16.23
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1
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About this item
- Common Specification: The thread insert set is consists of 50 insert nuts with 1/4-20 internal thread, length 12.7mm and an external diameter of 8.7mm. If other sizes of nuts are required, you can click on the drop down menu for more options.
- Stable & Long-Lasting Thread Inserts: Crafted from premium C3640 Brass materials, these threaded inserts boast outstanding corrosion resistance, thermal conductivity and durability. They exhibit remarkable resistance against breakage and deformation.
- Easy to Use: Knurled threaded inserts can be effortlessly embedded into blind or through holes with the heat of a soldering iron or ultrasonic method, providing a reliable and secure method of fastening parts in 3D printing projects.
- Secure Hold with Simple Application: Threaded inserts with high-precision and clear threads ensure stability and reliability, preventing thread slippage during rotation.knurling significantly increases torque and tensile strength, ensuring a more secure fastening.
- Wide Application: Threaded inserts are designed for all thermoplastics,including PLA,PETG,ABS,PPS,PP and others. Whether installing them in 3D printed objects, electrical molding machines, injection-molded plastic parts, automotive plastic casings, or laptop shells, their versatility ensures compatibility across a wide range of materials.
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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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