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QSJ 240Pcs Threaded Insert Bolt Assortment kit 120Pcs M3 x L4 x D5 Heat Set Brass Nut, 120Pcs M3 x 5 Stainless Steel Black Bolt for Industrial 3D Printing Projects
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 2, 2026 8:18 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Tenyoo-US
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Complete Kit for Secure Fastening】 Includes 120 M3 x L4 x D5 brass heat-set inserts, 120 M3 x L5 black stainless steel bolts, and 1 M3 soldering iron tip — all in a compact dual-compartment box.
✓【Durable Materials】 Brass threaded insert offer excellent wear resistance, and 304 stainless steel bolts ensure strong corrosion resistance and long-lasting performance.
✓【Simple and Efficient Installation】 First install the heat-set nut by heating it with a heated soldering iron until the plastic part melts slightly, letting the nut settle into the pre-drilled hole.As it cools, insert the black bolt and screw it into the nut.
✓【Perfectly Matched Pair】 The M3×L5 bolt fits precisely with the M3×L4×D5 threaded insert, ensuring a tight, stable connection and reducing the risk of stripping or loosening.
✓【Perfect for 3D Prints】 Great for reinforcing joints in 3D printed enclosures, models, and accessories — widely used in prototyping, hobby builds, and more.
⚙️ Specifications
Material
Brass
Fastener Type
Insert
Thread Size
3mm
Exterior Finish
Brass
Color
Silver
Thread Type
Iso Metric
Inside Thread Size
#6-48
Thread Style
Right Hand
Thread Coverage
Fully Threaded
Thread Class
Class 2B
Maximum Shear Strength
1200 Lbf
