Brass Moulding Insert (Multi-Ring)
Features multiple narrow knurled rings separated by smooth bands along its outer surface. This segmented design allows staged interference during installation — each ring engages the host material independently, distributing stress evenly and significantly reducing the risk of micro-cracking in thin-walled or brittle plastics. Internal threading conforms to ISO metric standards. Used in precision electronics, medical device housings, instrumentation panels, and applications where controlled insertion force and zero-defect installation are paramount.
Key Highlights
Features & Benefits
Multi-Process Compatible
Compatible with injection mould-in, heat staking, ultrasonic insertion, and press-fit installation methods.
Multiple Knurl Options
Available in diamond, straight, cross, helical, and multi-ring knurl patterns optimized for specific host materials.
Tight Tolerances
Manufactured with dimensional tolerances of ±0.05mm or tighter. Thread pitch accuracy conforms to DIN 7965 / ISO 8140 standards.
Reusable Assembly
Brass inserts enable repeated assembly and disassembly of threaded fasteners in plastic housings without thread degradation.
Technical Specifications
| Specification | Details |
|---|---|
| Product Code | CI-MI-006 |
| Material | CDA 360/361 Free-Cutting Brass |
| Thread Standards | DIN 7965, ISO 8140, UNC, UNF, Metric |
| Thread Sizes | M2 to M12, #4-40 to ½-13 |
| Outer Diameter | 3mm to 25mm |
| Dimensional Tolerance | ±0.05mm (±0.02mm on request) |
| Knurl Patterns | Diamond, Straight, Cross, Helical, Multi-ring |
| Installation Methods | Mould-in, Heat-set, Ultrasonic, Press-fit |
| Host Materials | ABS, PC, Nylon, POM, PP, PEEK, PVC |
Material & Quality Assurance
Moulding inserts are manufactured from CDA 360 and CDA 361 free-cutting brass, selected for their exceptional machinability. The alloy composition provides good corrosion resistance and adequate tensile strength for fastener applications.
Usage & Installation Guide
The installation method depends on the host material properties and production volume. Mould-in installation provides the strongest bond; heat staking is preferred for post-moulding installation; ultrasonic insertion creates rapid and clean installations.
Applications & Industries
The Brass Moulding Insert (Multi-Ring) is widely used across diverse industrial sectors:
Why Choose Chetna Industries for Brass Moulding Insert (Multi-Ring)?
Chetna Industries is a trusted manufacturer and global supplier of precision brass components with expertise in CNC machining and brass insert manufacturing.
- State-of-the-Art Manufacturing: Swiss-type CNC lathes and multi-axis machining centers capable of producing millions of precision brass components monthly.
- Custom Engineering Support: In-house DFM analysis, material selection guidance, and custom product development.
- Global Quality Standards: ISO 9001:2015 certified with full traceability and compliance with DIN, ISO, ASTM, and ASME specifications.
- Competitive Pricing: Direct manufacturer pricing with flexible MOQ. Transparent quotes within 24 hours.
- Reliable Global Supply: On-time delivery worldwide. Standard products ship within 7-10 business days.
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