QSJ

200Pcs Threaded Insert Bolt Assortment kit 100Pcs M3 M4 Brass Heat Set Insert, 100Pcs M3 M4 Stainless Steel Black Bolt for Industrial 3D Printing Projects

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Description

【Complete Kit for Secure Fastening】 Includes 80 M3 x L4 x D5 inserts, 20 M4 x 8.1 x 6.3 inserts. black bolts: M3 x L5 (80pcs), M4 x 10 (20pcs). M3 M4 soldering iron tip.
【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.
【M3 & M4 Sizes】 The set includes widely-used M3 and M4 heat-set inserts and bolts, perfect for a variety of 3D printing, DIY projects.The 4-grid storage box keeps your threaded inserts and bolts neatly organized, making it easy to manage inventory.
【Perfect for 3D Prints】 Great for reinforcing joints in 3D printed enclosures, models, and accessories — widely used in prototyping, hobby builds, and more.

Technical Specifications

Manufacturer

qsj

Model

qsj-440

Color

Black

Size

Kit 1 M3 M4 Insert & Black Bolt

Height

1.7 cm

Length

7.3 cm

Width

6.4 cm

Weight

0.29 kg

Shipping & Delivery

Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.

Returns & Exchanges

We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.