330 knurled brass nut storage kit, with injection-molded female threaded insert and storage box.

High-quality material: The female nuts are made of high-quality brass, offering high hardness and wear resistance, oxidation resistance, strong corrosion resistance, and a long service life.

15 different sizes: M2: 4 x 3.5 mm, M2: 6 x 3.5 mm, M2: 8 x 3.5 mm, M2: 10 x 3.5 mm, M3: 4 x 5 mm, M3: 6 x 5 mm, M3: 8 x 5 mm, M3: 10 x 5 mm, M4: 4 x 6 mm, M4: 6 x 6 mm, M4: 8 x 6 mm, M4: 10 x 6 mm, M5: 6 x 7 mm, M5: 8 x 7 mm. Different sizes meet various needs.

Precise knurling and threading: The straight knurled surface of the socket nut ensures a firm hold in the fastened object, preventing slippage. The sophisticated internal thread fits perfectly into the corresponding screw. Numerous applications: Threaded inserts for plastic assemblies (mobile phone casings, computer cases, plastic automotive parts, injection-molded parts, etc.). Package contents: 15 nut sizes, totaling 330 pieces, supplied in a transparent plastic box. Each size is stored in its own compartment for organized storage, easy transport, and convenient retrieval.