Brass Inserts, Spacers & Washers - Threaded, Unthreaded, Hex, Round, Knurled, Plain

Common Sizes (Range Overview)

Materials

• High-Grade Free Cutting Brass: IS 319 / CZ121 / CuZn39Pb3
• RoHS-Compliant Lead-Free Brass: CW510L
• Nickel-Bearing Brass: Optional for enhanced hardness
• Custom alloys: For non-magnetic or high-strength inserts

Thread / Mounting Types

• Machine Threads (M2 to M10) - ISO Metric
• Knurled Body for Mold-in & Press-Fit Applications
• Self-Tapping Internal Design (for thermoplastics)
• Unthreaded / Through-Hole for Spacers & Washers
• Custom Threads: UNC / UNF / BA / BSW (on request)

Protection Rating

• Operational Temp: -40°C to +160°C
• Oxidation-Resistant Finishes
• Supports high mechanical stress in vibration-prone areas
• Chemical-resistant grades for battery/EV fluid contact zones

Surface Finish Options

• Natural Brass (Standard)
• Nickel Plated (Corrosion-resistant for outdoor/thermal applications)
• Tin Plated (For electrical contact interfaces)
• Chrome Plated (Optional for aesthetic/high-durability use)

Features

• Knurled Inserts - For strong grip in molded parts
• Precision Threading for secure electrical and mechanical joints
• Custom Spacer Lengths & Profiles
• Locking Washers - Prevent loosening under vibration
• Ideal for compact, high-density EV assemblies
• Available in kits with mixed sizes for OEM assembly lines

Application Areas in EV Sector

• Battery Pack Casings: Threaded inserts for module housing
• Charging Units: Board-to-case standoff mounting
• PCBs & BMS Boards: Spacers for component clearance
• Plastic Enclosures: Heat-fit inserts for secure bolt-on parts
• Thermal Systems: Washers & spacers for insulation and mounting
• Electrical Isolation: Non-conductive support washers (if required with polymer combo)