Brass Threaded Inserts | Brass Inserts

Brass Inserts
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Brass Inserts

We are a leading manufacturer and supplier of high-quality Brass Inserts for plastics, Brass Inserts for Wood designed for strong, reliable, and corrosion-resistant fastening solutions across various industries. Our precision-engineered brass inserts are widely used in plastic injection molding, electronic components, 3D printing applications, automotive assemblies, and wood furniture fittings. With our commitment to superior quality, dimensional accuracy, and on-time delivery, we have become a trusted partner for clients in India and abroad.

Brass inserts are threaded fasteners used to provide durable metal threads in plastic or soft materials. They are ideal for repeated assembly and disassembly, providing enhanced holding power and long-term performance. Our inserts are manufactured from high-grade free-cutting brass (IS 319 / BS 249 / CZ121) or as per customer specifications. We offer various knurling types—straight knurling, diamond knurling, helical knurling, and unidirectional knurling—to ensure firm grip inside thermoplastics and thermosets.

Our product range includes:

  • Brass Heat Inserts for plastic molding applications.

  • Ultrasonic Brass Inserts for vibration or thermal insertion.

  • Brass Threaded Inserts with internal and external threads.

  • Brass Knurled Inserts in straight, diamond, or helical patterns.

  • Press-fit Brass Inserts suitable for press installation into soft materials.

  • Mold-in Inserts for pre-molding installation.

  • Brass Threaded Inserts for Metal.
  • Brass Micro Inserts for precision electronics and micro-assemblies.

All inserts are manufactured with close tolerance and available in metric (M2 to M12), BA, BSW, UNC, and UNF threads or as per your custom drawings. We provide different finishes like natural brass, nickel plating, chrome plating, or tin plating based on customer requirements.

Our advanced production facilities, quality control systems, and experienced team ensure every insert meets international standards for strength, finish, and consistency. Whether you need standard inserts or custom-designed ones, we can support small to bulk quantities with competitive pricing and reliable global shipping.

Applications of Brass Inserts:

  • Plastic injection molded parts
  • Automotive components
  • Consumer electronics
  • Home appliances
  • Furniture and wood assemblies
  • Communication equipments
  •  Aerospace and defense parts 

 

At Bharti Enterprise, we prioritize customer satisfaction, offering fast production timelines, technical support, and total customization. Whether you’re a mold designer, OEM, or assembly unit, our brass inserts are designed to enhance your product’s reliability and lifespan.

Types of Brass Threaded Inserts

  • Brass Ultrasonic Insert
  • Brass Thermal Insert
  • Brass Helical Knurling Inserts
  • Brass Straight Knurling Inserts
  • Brass Blind Threaded Inserts
  • Brass closed bottom Inserts
  • Brass Press-in Insert
  • Brass Screw Inserts
  • Brass Self Tapping Insert
  • Brass PPR Inserts
  • Brass Cross / Diamond Knurling Inserts
  • Customized Brass Inserts

Sizes of  Brass Threaded Inserts

M3, M4, M5, M6, M7, M8, M9, M10, M11, M12, M14, M15, M16, M17, M18, M20, M21, M22, M24, M25, 1/8″, 1/4″, 3/8″, 1/2″, 5/8″, 3/4″

Special Features of Brass Threaded Inserts

Superior Tensile Strength Corrosion & Abrasion Resistance Highly Durable Rust Free
Material

Material

CuZn38 Pb1.5, BSS 249, BS2874/86, CuZn35, IS 4170/67, CuZn40, CuZn37, Cz108, IS 2704/83, CuZn35Pb1, CZ121Pb3, Free Cutting Brass IS 319/89 (Grade I, II and III), or As per customer Requirements
Standards

Standards Thread

ISO Thread (METRIC), BA Threads, UNC – UNF – UNEF Threads, BSP Threads, BSB Threads, BSF Threads, BS 3692, BSC Threads, BSW Thread
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Finishing & Coating

Chrome Plating, Natural Plating, Nickle Plating, Tin Plating, Silver Plating, Zinc Plating, Anything as per customer’s specification
Frequently Asked Questions About Brass Threaded Inserts – Uses, Types & Customization

1. What are brass threaded inserts used for?

Answer: Brass threaded inserts are used to provide strong, wear-resistant threads in plastic, wood, or metal parts. They are commonly used in electrical enclosures, automotive parts, plastic components, and furniture assembly to ensure durable and reliable screw connections.

2. What types of brass inserts do you manufacture?

Answer: We manufacture a wide range of brass inserts including straight knurling inserts, cross knurling inserts, helical knurling inserts, ultrasonic inserts, and press-fit inserts, Hexagonal Inserts, Square Inserts tailored for plastic moulding and metal fastening applications.

3. What thread types are available in your brass inserts?

Answer: Our brass inserts are available in Metric, UNC, UNF, BSP, BSW, and custom thread profiles as per customer requirements. Both internal and external threads can be precisely machined.

4. Do you offer custom sizes and specifications?

Answer: Yes, Bharti Enterprise specializes in custom brass inserts as per drawing or sample. We provide inserts in a variety of sizes, plating options (nickel, tin, natural, etc.), and thread profiles to meet specific industry standards specially DIN 16903.

5. What industries use your brass inserts?

Answer: Our brass inserts are widely used in the automotive, electrical, electronics, plastic injection molding, telecom, and furniture industries due to their durability, corrosion resistance, and precise thread formation.

6. Why is brass metal more suitable for making threaded inserts?

Answer: Brass is ideal for threaded inserts due to its excellent machinability, corrosion resistance, and strength. It offers superior wear resistance and dimensional stability, ensuring threads hold tight under repeated use. Brass also has good thermal and electrical conductivity, making it perfect for applications in plastics, electronics, and high-performance assemblies.

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