Canitu 420Pcs Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts M2 M3 M4 M5 Assortment Kit

Which are heat-resistant, rust-proof, corrosion-resistant and wear-resistant, are strong enough to ensure long-term use. The surface of the nut is finely finished to ensure a smooth surface that will not scratch your hands. The high quality knurled thread insert nut classification kit is widely used for injection molding for fastening. The surface of the nut has a straight knurling, which is embedded in the injection molded part. to form a certain frictional force and biting force, which can be fixed inside to prevent falling off. Package Contents: 420 * Thread Knurled Nuts Only the above package content, other products are not included. Note:  Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.