ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Brass Heat-Set Threaded Inserts for 3D Printed Plastic, Metric and UNC Sizes in 10-270 Piece Sets

M3Sx4.0 SHORT(100pcs) / Metric Threaded Insert
$34.99
$34.99
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ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
  • ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
Brass Heat-Set Threaded Inserts for 3D Printed Plastic, Metric and UNC Sizes in 10-270 Piece Sets

Brass Heat-Set Threaded Inserts for 3D Printed Plastic, Metric and UNC Sizes in 10-270 Piece Sets

$34.99
$34.99
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Color

These brass heat-set threaded inserts add durable reusable internal threads to compatible 3D-printed and thermoplastic parts. Opposing spiral knurls anchor into softened plastic and balance tightening and loosening torque, while brass supplies corrosion resistance and useful thermal conductivity for installation by soldering iron heat or ultrasonic equipment.

Choose metric M2 through M10 or UNC #2-56 through 3/8-16 sizes, including short formats and mixed boxes. Pack counts range from 10 to 270 pieces. The documented RX-M3x5.7 variant contains 100 lead-free inserts with M3 internal threads and 5.7 mm length. Confirm the pilot-hole geometry, plastic type and insertion temperature before embedding.

Specifications

  • Fastener: Heat-set threaded insert
  • Material: Brass
  • Installation: Heat or ultrasonic embedding
  • Compatible materials: Thermoplastics including PLA PETG ABS PPS and PP
  • Metric range: M2 to M10
  • UNC range: #2-56 to 3/8-16
  • Pack range: 10 to 270 pieces
  • Documented thread: M3
  • Documented length: 5.7 mm
  • Documented quantity: 100

Frequently Asked Questions

How are the inserts installed?

Embed them into a correctly prepared thermoplastic hole using controlled soldering-iron heat or compatible ultrasonic equipment.

Which thread systems are offered?

Choose metric sizes from M2 to M10 or UNC sizes from #2-56 to 3/8-16, plus selected assortment boxes.

What is in the RX-M3x5.7 pack?

It contains one hundred lead-free brass inserts with M3 internal threads and 5.7 mm length.

Which plastics are listed as compatible?

The source names thermoplastics such as PLA, PETG, ABS, PPS and PP.

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