400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D

400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D

【Durable Brass Heat Inserts】Crafted from premium brass, these heat set inserts deliver superior thermal conductivity, anti-fracture strength, and long-lasting performance—perfect for embedding parts in high-stress projects requiring reliable hold. 【Knurled Metric Thread Design】Deep knurled threads lock tight with strong grip. No slippage under tension. You install once and get secure, lasting results without rework.​ 【Optimized for Plastic and 3D Printing】Fits PLA, PETG and ABS flawlessly. Tackle your 3D prints, plastic molding, and repairs with zero fit issues—no more ruined projects from mismatched inserts. 【Metric Assortment Kit】15 sizes (M2, M2.5, M3, M4, M5, M6）in one kit. Cover every project without mid-job runs to the store—save your time and keep your workflows on track.​ 【What You Get】400-piece nut inserts kit (15 sizes), neatly organized in labeled, easy-access storage boxes. Backed by responsive customer support for your peace of mind.

【Brass Heat Set Threaded Inserts Kit】400 PCS in 15 Sizes for Plastic & 3D Printing​

This premium metric threaded inserts assortment kit includes 400 pieces of female knurled brass heat set inserts, covering 15 precise sizes to meet your diverse embedding needs:​

M2*3*3.2 (50PCS) / M2 * 4*3.2 (50PCS)​

M2.5*3*3.5 (45PCS) / M2.5 * 4*3.5 (45PCS)​

M3*4*5 (35PCS) / M3 * 5*5 (30PCS) / M3*6 * 5 (30PCS) / M3*8*5 (20PCS)​

M4*4*6 (20PCS) / M4 * 6*6 (25PCS) / M4*8 * 6 (20PCS)​

M5*6*7 (8PCS) / M5* 8*7 (8PCS) / M5*10* 7 (8PCS)​

M6*8*8 (6PCS)​

Crafted from high-quality brass, these heat set inserts feature smooth, clean threads and deep knurling for a secure grip when embedding parts. The polished bright finish ensures durability, with excellent resistance to breakage and deformation—perfect for precision work in 3D printing, plastic molding, and repairs.​

Package Includes: 400 PCS of female metric threaded inserts (M2, M2.5, M3, M4, M5, M6) . All inserts are neatly organized in labeled storage boxes, keeping your hardware tools organized and accessible.​

It is widely applicable to various items such as laptop plastic casings, 3D printers, automotive parts, and electrical injection moldings. This brass heat set insert kit is portable, easy to use and designed to enhance efficiency in your projects—whether you’re a DIY enthusiast or a professional crafter, this brass heat set insert kit delivers reliable performance for all your embedding needs.