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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

AMAZON.COM

ruthex m3 threaded inserts - 100 pieces rx-m3x57 brass heat set insert for plastic parts - metric knurled nuts - insert by heat into 3d printing components

$ 9.49

Last price was updated on: 11th Dec 2025, 05:33 AM

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Pricing Analytics & Buying Assistance

Price Score: Excellent!

Poor Average Good Excellent

Current Price $9.49

$7.59

Lowest

$69.99

Highest

Buying Advice:
Excellent! Buy now. 53% chance price goes up. Buy soon.

Price History Benchmarks

Lowest Ever

$7.59

28th Nov 2025

Highest Ever

$69.99

15th Apr 2021

Average Price

$14.18

34 data points

Last 3M Low

$7.59

28th Nov 2025

Last 6M Low

$7.59

28th Nov 2025

Last 12M Low

$7.59

28th Nov 2025

Price History Chart

Product Variants

Image of 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

Image of ruthex M10 Threaded Inserts - 10 Pieces RX-M10x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M10 Threaded Inserts - 10 Pieces RX-M10x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #4-40 Short Threaded Inserts - 100 Pieces RX-4-40x3.56 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #4-40 Short Threaded Inserts - 100 Pieces RX-4-40x3.56 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex 5/16" Threaded Inserts - 20 Pieces RX-5/16“-18-x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex 5/16" Threaded Inserts - 20 Pieces RX-5/16“-18-x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M3 Threaded Inserts Short - 100 Pieces RX-M3Sx4.0 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M3 Threaded Inserts Short - 100 Pieces RX-M3Sx4.0 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #10-24 Threaded Inserts - 50 Pieces RX-10-24x9.5 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #10-24 Threaded Inserts - 50 Pieces RX-10-24x9.5 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #6-32 Short Threaded Inserts - 50 Pieces RX-6-32x3.8 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #6-32 Short Threaded Inserts - 50 Pieces RX-6-32x3.8 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #2-56 Threaded Inserts - 70 Pieces RX-2-56x4 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #2-56 Threaded Inserts - 70 Pieces RX-2-56x4 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M3 Threaded Inserts VORON - 100 Pieces RX-M3x5x4 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M3 Threaded Inserts VORON - 100 Pieces RX-M3x5x4 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M5 Threaded Inserts - 50 Pieces RX-M5x9.5 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M5 Threaded Inserts - 50 Pieces RX-M5x9.5 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #8-32 Short Threaded Inserts - 50 Pieces RX-8-32x4.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #8-32 Short Threaded Inserts - 50 Pieces RX-8-32x4.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex 3/8"-16 Threaded Inserts - 15 Pieces RX-3/8“-16-x12.7 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

ruthex 3/8"-16 Threaded Inserts - 15 Pieces RX-3/8“-16-x12.7 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M8 Threaded Inserts - 20 Pieces RX-M8x12.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M8 Threaded Inserts - 20 Pieces RX-M8x12.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #8-32 Threaded Inserts - 50 Pieces RX-8-32x8.1 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #8-32 Threaded Inserts - 50 Pieces RX-8-32x8.1 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M2.5 Threaded Inserts - 70 Pieces RX-M2.5x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M2.5 Threaded Inserts - 70 Pieces RX-M2.5x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M4 Threaded Inserts Short - 50 Pieces RX-M4Sx4.0 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M4 Threaded Inserts Short - 50 Pieces RX-M4Sx4.0 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #10-32 Threaded Inserts - 50 Pieces RX-10-32x9.5 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #10-32 Threaded Inserts - 50 Pieces RX-10-32x9.5 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #4-40 Threaded Inserts - 100 Pieces RX-4-40x5.7 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #4-40 Threaded Inserts - 100 Pieces RX-4-40x5.7 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex Threaded Inserts M2 + M3 + M4 + M5 Assortment Box - 70 + 100 + 50 + 50 Pieces - Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex Threaded Inserts M2 + M3 + M4 + M5 Assortment Box - 70 + 100 + 50 + 50 Pieces - Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M2 Threaded Inserts - 70 Pieces RX-M2x4 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M2 Threaded Inserts - 70 Pieces RX-M2x4 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex #6-32 Threaded Inserts - 50 Pieces RX-6-32x7.1 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

ruthex #6-32 Threaded Inserts - 50 Pieces RX-6-32x7.1 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M5 Threaded Inserts Short - 50 Pieces RX-M5Sx5.8 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M5 Threaded Inserts Short - 50 Pieces RX-M5Sx5.8 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex Threaded Inserts #2-56 + #4-40 + #8-32 + #10-24 Assortment Box - 70 + 100 + 50 + 50 Pieces - Brass Heat Set Insert for Plastic - Inches UNC knurled Nuts - by Heat into 3D Printing Components

ruthex Threaded Inserts #2-56 + #4-40 + #8-32 + #10-24 Assortment Box - 70 + 100 + 50 + 50 Pieces - Brass Heat Set Insert for Plastic - Inches UNC knurled Nuts - by Heat into 3D Printing Components

Image of ruthex M6 Threaded Inserts - 25 Pieces RX-M6x12.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M6 Threaded Inserts - 25 Pieces RX-M6x12.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Image of ruthex M6 Threaded Inserts Short - 25 Pieces RX-M6x6.8 Brass Heat Set Insert for Plastic Parts - Metric knurled - Insert by Heat into 3D Printing Component

ruthex M6 Threaded Inserts Short - 25 Pieces RX-M6x6.8 Brass Heat Set Insert for Plastic Parts - Metric knurled - Insert by Heat into 3D Printing Component

Image of ruthex M4 Threaded Inserts - 50 Pieces RX-M4x8.1 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex M4 Threaded Inserts - 50 Pieces RX-M4x8.1 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

Product Technical Information

Product Code	B08BCRZZS3
Market Place	amazon.com
Market Place Name	Amazon.com
Rating	4.8 ( 4738 ratings )
Category	Nut Inserts
Item Color	Metric Threaded Insert

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for ruthex M3 Threaded Inserts - 100 Pieces RX-M3x57 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components was $7.59 on 28th Nov 2025. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for ruthex M3 Threaded Inserts - 100 Pieces RX-M3x57 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components was $69.99 on 15th Apr 2021. Prices have dropped since then.
What is the average price of this product? ▶

The average price for ruthex M3 Threaded Inserts - 100 Pieces RX-M3x57 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components is $14.18 (34 data points). This helps you compare current deals.
What is the lowest price in the last 3 months? ▶

In the last 3 months, ruthex M3 Threaded Inserts - 100 Pieces RX-M3x57 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components reached a low of $7.59 on 28th Nov 2025. Recent price trends may help you decide when to buy.
Should I buy this product now? ▶

Buy now. The price is excellent compared to its history. 53% chance price goes up. Price may increase soon.