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Self-Tapping Insert for Plastic Housing
-- Steady & Reliable Manufacturer --
Product Overview
This insert is designed to be driven or pressed directly into a molded plastic boss, cutting or forming its own internal thread engagement as it seats, so the boss does not need a separate tapping operation. It gives a metal thread point in a plastic housing that can be screwed and unscrewed repeatedly without stripping the surrounding plastic.
We supply this insert to consumer electronics, appliance and small-device assemblers who need a reliable, repeatable fastening point in an injection-molded plastic enclosure without switching to ultrasonic or heat-set insertion equipment.
Specifications
| Item | Detail |
|---|---|
| Material | Brass; 300 series stainless steel on request |
| Thread Size Range | M2, M2.5, M3, M4, M5, M6, M8 internal thread |
| Length Options | 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm |
| Installation Method | Press-in or screw-in, self-tapping into a molded plastic boss |
| Outer Thread | Diamond knurl, barbed, or self-tapping exterior depending on style |
| Base Material Suitability | ABS, polycarbonate, nylon, and other common molded plastics |
| Surface Finish | Natural brass, nickel plate, or passivated (stainless) |
| Packaging | Poly bag, inner box, export carton; reel packaging for automatic feeders |
Application Fields
- ✓Consumer electronics enclosures
- ✓Small appliance housings
- ✓Automotive interior plastic components
- ✓Toy and small-device assembly
- ✓Injection-molded plastic boss reinforcement
- ✓Battery compartment and access panel fastening points
Key Advantages
- Removes the need for a separate tapping step in the molded boss, since the insert forms or cuts its own thread engagement on installation.
- Gives a reusable metal thread in a material that would otherwise strip after only a few screw cycles.
- Available in both press-in and screw-in styles to match different boss designs and assembly line setups.
- Compact length and thread range suits the thin wall sections typical of consumer electronics and appliance housings.
- Stainless steel option extends corrosion resistance for outdoor-use or moisture-exposed plastic enclosures.
Company Profile
Dongtai Jinzhize Metal Products Co., Ltd.
As Self-Tapping Insert for Plastic Housing Manufacturer and Self-Tapping Insert for Plastic Housing Factory, Dongtai Jinzhize Metal Products Co., Ltd. is a specialized manufacturing facility dedicated to threaded connection products for the automotive and aerospace sectors. We primarily produce Helical Wire Inserts, Self-Tapping Inserts, Key Locking Inserts, Threaded Adapters, Oil Plugs, as well as matching installation taps and tools.
Established in 2015, the company operates from a 10,000-square-meter-owned manufacturing plant equipped with hundreds of machine tools and automated production systems. Through years of development, we have built an experienced team of design, development, and production specialists, complemented by a rigorous quality management system and comprehensive after-sales service mechanism.
Our products are widely utilized in the automotive industry (including engines and transmissions for both passenger and commercial vehicles), the aerospace industry, and rail vehicle manufacturing.
With an annual output value of 153 million RMB in 2024, we possess the capability for a large-scale, stable supply. We are committed to providing customers with highly consistent, traceable products and reliable service support.
