300Pack M2 M2.5 M3 M4 M5 M6 Metric Threaded Inserts Brass Heat Set Insert Knurled Nuts Assortment Kit, 3D Printing Brass Nuts Female Threaded Inserts Nuts

<p><strong style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">Descriptions:</strong></p><ul><li>Multi-Size Convenience - The package contains a variety of different sizes and sufficient quantity to meet your various usage needs.</li><li>Material - Made of brass material, high hardness and durable. Provides good mechanical properties with increased corrosion and heat resistance.</li><li>Feature - The embedding nut has a guide so there is no need for a counterbore or countersink. Smooth surface, firm and uniform, easy to install.</li><li>Advantage - Due to the embossing process on the outer diameter of the insert, it forms certain friction and bites force with the brass insert after forming, which can be fixed on the inside so that it will not fall off easily. Has a certain torsion and tension.</li><li>Application - Can be installed by ultrasonic or heat into the plastic matrix, or formed during the injection, widely used in 3D printing injection molding, computer products, electronic products, circuit board fixing, etc., to achieve tight fixing.</li></ul>

• Material: Brass
• Tooth Surface Hardness: H59
• Package Content: M2*H*3.2（H=2/4）35 Pack Each M2.5*H*3.5（H=2.5/4）30 Pack Each M3*H*5（H=4/6/8）30 Pack Each M4*H*6（H=4/6/8）16 Pack Each M5*H*7（H=6）8 Pack M5*H*7（H=8/10）7 Pack Each M6*H*8（H=8/10）5 Pack Each