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

Brand: QSJ

Color: Black

Features:

• 【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.

model number: qsj-440

Part Number: qsj-440

Details: Threaded Inserts

Package Dimensions: 2.9 x 2.6 x 0.7 inches