Through Hole Brass Knurled Insert Nut with Anti Rotation and High Corrosion

Through Hole Brass Knurled Insert Nut is a precision embedded fastener engineered specifically for plastic injection molding and hot press embedding applications. Manufactured from high-quality H59 and H62 brass, this pre-insert nut features a full through-hole thread design and exterior knurled texture to deliver excellent anti-rotation, anti-pullout and anti-loosening performance.

After being pre-buried inside plastic components, the outer knurl locks tightly into the plastic structure, effectively preventing nut spinning, loosening and falling off under continuous vibration and assembly torque. The full through thread allows complete bolt penetration, making it ideal for thick plastic shells, multi-layer stacking and through-fastening structures.

With precise thread tolerance, smooth meshing and reusable performance, these brass insert nuts are widely used in smart home housings, consumer electronics, home appliances and plastic furniture parts. Standard sizes in stock and custom machining according to drawings or samples are available.

• Full Through-Hole Thread: Complete penetrating thread structure supports through-bolt installation, perfect for thick plastic parts and multi-layer assembly.
• Knurled Anti-Rotation Design: Uniform outer knurl increases friction and bonding strength with plastic, avoiding nut rotation and pull-out failure.
• High-Grade Brass Material: H59/H62 brass provides excellent corrosion resistance, oxidation resistance and stable mechanical strength for long-term use.
• Precision CNC Machining: Standard thread pitch, smooth internal teeth, no burrs, supporting repeated disassembly without slipping.
• Dual Installation Process: Suitable for in-mold pre-insert injection molding and hot press embedding for mass production.
• Full Customization: Custom outer diameter, length, thread size and knurl pattern for non-standard plastic molds and new product development.

• Product Name: Through Hole Brass Knurled Embedded Insert Nut
• Material: H59 / H62 Solid Brass
• Structure: Through Hole, Full Thread, Outer Knurl Anti-Rotation
• Standard Sizes: M3, M4, M5, M6
• Surface Finish: Natural Brass
• Processing: CNC Turning, Cold Forging
• Installation: Injection Mold Pre-insert, Hot Press Embedding
• Application: Plastic Injection Housing, Smart Home, Electronics, Home Appliance, Plastic Furniture

These through hole brass insert nuts are widely applied in plastic injection molding industries, including smart home plastic housings, consumer electronic enclosures, home appliance structural parts, plastic furniture components, automotive interior plastic parts and industrial plastic shells. They provide stable internal thread connection and solve loosening problems for various embedded plastic assembly projects.

We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.

Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.

Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.

Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.

Our customers include Bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.