【Durable Brass Heat Inserts】Crafted from premium brass, these female heat 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, M60)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 insert kit (15 sizes) with tweezers, neatly organized in labeled, easy-access storage boxes. Backed by responsive customer support for your peace of mind.