An electronics hobbyist in Mumbai needed durable inserts for custom circuit boards, facing humidity issues.
Used Yaocom brass inserts, which resisted corrosion and heat, lasting over 6 months with stable fixation, saving ₹200 on replacements.
You save 980 (33%)
33% off the seller list price
Estimated doorstep delivery by 16 Nov - 18 Nov from USA






High-Quality Brass Inserts at Competitive Price
Yaocom M3 Threaded Inserts are brass, heat set components designed for versatile use in electronics, 3D printing, and circuit board assembly. Their elegant gold finish adds charm while providing corrosion resistance and heat durability, ensuring long-lasting performance in Indian climates.
Crafted from high-quality brass, these inserts feature precise knurled construction for secure fixation. Suitable for ultrasonic or heat installation, they eliminate the need for countersunk holes, simplifying assembly. Reviewers report stable, slip-free fixation even in humid environments, making them ideal for DIY projects and professional repairs.
In India, these inserts are a cost-effective, reliable choice for electronics hobbyists and professionals. With fast ExpressBox delivery, 300 pcs ensure ample supply for multiple projects, with clear size info and minimal size errors. Perfect for those seeking durable, heat-resistant fasteners for plastic and circuit applications.
Premium Brass Construction & Precise Knurling
Made from high-quality brass, Yaocom inserts feature a smooth surface, precise threading, and knurled outer diameter for secure grip. Their heat resistance and corrosion-proof finish ensure durability in Indian environments, backed by positive reviews from electronics hobbyists and professionals.
Ideal for Electronics, 3D Printing & Circuit Boards
Designed for versatile use, these inserts support fast, reliable assembly in plastic components, circuit boards, and 3D printed parts. Skip if working with metal or needing high-pressure fittings; these are optimized for plastic and electronics projects.
Typical situations where Yaocom M3 Threaded Inserts 300 pcs | Brass Heat Set helps — illustrative scenarios, not customer reviews.
An electronics hobbyist in Mumbai needed durable inserts for custom circuit boards, facing humidity issues.
Used Yaocom brass inserts, which resisted corrosion and heat, lasting over 6 months with stable fixation, saving ₹200 on replacements.
| Material | Brass |
| Installation Method | Heat or ultrasonic into plastic |
| Reapplication | Suitable for multiple heat cycles |
| Shelf Life | Unopened, indefinite; check manufacturer |
| Cost per use | ₹1,950 per piece |
| Suitable for | Electronics, 3D printing, circuit boards |
| Feature | Yaocom M3 Threaded | Others |
|---|---|---|
| Material Durability | Brass, heat & corrosion resistant, designed for long-term use in electronics | Typically zinc-plated steel, less resistant to heat and humidity |
| Price per Piece | ₹1,950 per piece | ₹10-15 per piece in local bulk packs |
| Installation Ease | Suitable for ultrasonic or heat insertion, no countersunk holes needed | Requires manual threading or less precise methods |
| Size & Compatibility | M3 x D5 x L4, compatible with common plastic electronics in India | Varies, often incompatible with standard M3 fittings |
| SKU | mkj3505 |
| Brand | Yaocom |
| Material | Brass |
| Color | Gold |
| Size | M3 X D5 X L4 |
| Overall Size | 5 x 4 mm (0.2 x 0.16 inch) |
About Yaocom
Yaocom specializes in high-quality fasteners, offering durable brass inserts for electronics and DIY projects worldwide.
Compliance & Legal
This is a mechanical fastener; no medical or safety certifications required.
Share your experience
Bought this from CrowCrowCrow? Other buyers want to hear how it went.

This item:
Yaocom M3 Threaded Inserts 300 pcs | Brass Heat Set, Gold, 4mm Length, Heat & Ultrasonic Install
1,950

This item
Yaocom M3 Threaded Inserts 300 pcs | Brass Heat Set, Gold, 4mm Length, Heat & Ultrasonic Install
1,950
Total price:
6,050
You save 2,940 (33%) Extra3 items selected
3 items
6,050You save 2,940 (33%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ||||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 1,950 2,930 | 1,820 2,900 | 2,280 3,160 | 1,640 2,350 | 1,550 1,990 | 1,950 2,640 | 3,590 4,780 |
| Brand Name | Yaocom | FFVRVSS | FFVRVSS | FFVRVSS | FFVRVSS | Teansic | Redicare |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
Why shop with us
One price. One payment. No surprises.
High risk
Buying Direct
Crowcrowcrow
Safe Lane