Brass Threaded Inserts - Press-Fit, Heat-Fit, and Ultrasonic Inserts for Plastic Moldings

Common Sizes (Range Overview)

Materials

• Free-Cutting Brass (IS 319 / CZ121 / CW614N)
• Lead-Free Brass (CW510L - RoHS & REACH compliant)

Thread / Mounting Types

• Metric Threads (M2 to M10) - ISO 965
• UNC/UNF Threads (for global moldings)
• Press-Fit, Heat-Fit, Mold-In, Ultrasonic-Fit
• Blind or Through-Hole Inserts

Protection Rating

• Torque Strength: Designed to prevent pull-out/rotation in molded plastic
• Thermal Resistance: Up to 150°C (ideal for battery pack plastics)
• Vibration Resistant (When used with anti-rotation knurling)
• Corrosion Proof under typical EV interior/exterior environments

Surface Finish Options

• Natural Brass (Standard - best thermal bonding)
• Nickel Plated (Corrosion resistance for exposed inserts)
• Tin Plated (For conductive paths in electrical housings)

Features

• Precision machined for tolerance-critical press-fit
• Available with straight, helical, or diamond knurling
• Internal thread chamfered for smooth screw entry
• Compatible with thermoplastics & thermosets
• Custom sizes for automated robotic insertion

Application Areas in EV Sector

• Battery Enclosures - Threaded mount points for sensor boards
• Charging Handles - Durable threading inside molded connectors
• ECU & BMS Housings - Secure electronics and heat sinks
• Interior Trim Modules - High-torque thread fixings in plastic
• Power Distribution Boxes - Insert threads for mounting terminals
• Telematics Modules - Ruggedized PCB standoff inserts