Wkmamo Pack of 400 Threaded Inserts, Female Thread Knurled Brass Thread Insert Embedding Nut Assortment Kit M2 M2.5 M3 M4 M5 M6 for Plastic Parts or 3D Printing Parts by Ultrasonic-Fast Shipping

Description

Secure hold: the opposite spiral knurled nuts ensure a balanced high tightening and loosening torque as well as a high pull-out force. The brass threaded bushing single nut has a high precision thread that is compatible with the corresponding screw.

Durable material: these female threaded knurled nuts are made of durable brass with excellent rust resistance and oxidation resistance to ensure long-term use. Rustproof, corrosion-resistant, non-toxic, acid resistant and does not release harmful substances.

Easy to install: insert into the hole, heat the threaded insert with a soldering iron. After heating, press in the thread insert. Then cool down and tighten screws. The press-in nuts can be easily inserted by ultrasound or heat (soldering iron).

Package contents: in this kit you will receive 400 pieces M2 M2.5 M3 M4 M5 M6 knurled nuts with internal thread in sufficient quantity for your use. Plastic boxes are durable in every way. It contains the most commonly used knurled nuts for your 3D printer project.

Wide application: the threaded nuts are designed for thermoplastic plastics. Plastics PLA, PETG, ABS, PPS, PP etc. They are widely used in notebooks, electrical appliances, toys, motorcycles and various plastic shells.