Specification Brand : QSJ BulletPoint1 : 【Package】 440pcs set with 140 M2.5x4x3.5 threaded inserts, 140 M2.5x5 bolts, 80 M3x4x5 threaded inserts, 80 M3x5 bolts, and M2.5/M3 soldering iron tips for precise assembly. BulletPoint2 : 【Material】 Our threaded inserts are crafted from durable brass, offering excellent resistance to corrosion and wear, while the bolts are made from high-quality stainless steel, providing superior strength and longevity. BulletPoint3 : 【Enhanced Performance with Combined Use】 Using the inserts and bolts together maximizes the holding power and structural integrity of your assemblies. The threaded engagement between the brass inserts and stainless steel bolts creates a robust connection, reducing the risk of loosening over time and ensuring long-lasting durability. BulletPoint4 : 【Abundant Quantity】 With 440 pieces in total, this set provides an ample supply of fasteners for even the most extensive projects. The generous quantity ensures you always have the right fastener on hand when you need it. BulletPoint5 : 【Ideal for 3D Printing Applications】 Perfectly suited for securing 3D-printed parts, this set allows for strong and secure connections that maintain the integrity of your projects. Whether you're assembling intricate models or functional prototypes, these fasteners provide the stability and precision required. ExteriorFinish : Brass FinishType : Plain ItemName : 440Pcs Threaded Inserts Bolt Set M2.5 M3 Heat Set Insert Brass Nut with Bolt for 3D Printed Plastic Parts ItemPackageDimensions_Height : 7.3914 centimeters ItemPackageDimensions_Length : 1.8034 centimeters ItemPackageDimensions_Width : 6.5024 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : hardware-nut-inserts Manufacturer : qsj-nut Material : qsj MetalType : Stainless Steel NumberOfItems : 180 PartNumber : nut180 ProductDescription : Threaded Inserts Heat Set Inserts Kit ProductSiteLaunchDate : 2025-01-05T06:25:25.672Z Size : 440Pcs Kit SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 31161500