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brass Closed End Insert
Product Details:
- Product Type brass Closed End Insert
- Material BRASS
- Size MULTI
- Type Closed End Insert
- CNC Machining Yes
- Diameter M3 to M12
- Tolerance 0.05 mm
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brass Closed End Insert Price And Quantity
- 1000 Kilograms
- 1100.0 INR/Kilograms
brass Closed End Insert Product Specifications
- 0.05 mm
- Yes
- M3 to M12
- Closed End Insert
- Other
- BRASS
- brass Closed End Insert
- MULTI
- Other
- Natural, Nickel Plated, or Tin Plated
- Up to 200C
- Brass
- Flush/Flat
- As per customer requirement
- Press Fit or Ultrasonic
- Plastic Moulding, Electronics, Automotive Parts
- Yes
- Yes
- Metric/Imperial
brass Closed End Insert Trade Information
- Cash in Advance (CID)
- 5000 Kilograms Per Month
- 2 Week
- Sample costs shipping and taxes has to be paid by the buyer
- Asia, North America, South America, Eastern Europe, Western Europe, Middle East, Africa, Australia, Central America
- All India
Product Description
A brass closed-end insert (also referred to as a blind-hole insert) is a specialized threaded fastener designed with a solid, sealed base. Unlike standard "through-hole" inserts, the internal thread does not pass all the way through the component. This unique geometry is essential for applications where preventing the passage of fluids, gases, or debris is a critical requirement.
The Sealed-Base Advantage
The primary function of the closed-end design is to create a physical barrier at the bottom of the threaded interface.
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Leak Prevention: In fluid-handling systems or pressurized enclosures, the solid base ensures that no liquid or air can escape through the fastener hole, maintaining a hermetic seal.
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Protection of Internal Components: In sensitive electronics, the closed end prevents dust, potting compounds, or excess soldering flux from entering the internal cavity of the device through the screw hole.
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Screw Length Safety: The solid bottom acts as a physical stop, preventing an oversized screw from being driven too deep and damaging delicate internal parts like circuit boards or sensors.
Key Design Features
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Blind-Hole Geometry: The internal threads are precision-machined to a specific depth, ending in a solid brass floor.
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Aggressive External Knurling: Available in straight, diamond, or helical patterns to ensure high torque-out and pull-out resistance, whether installed via heat, ultrasonic, or press-fit methods.
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Material Integrity: Usually manufactured from C36000 Free-Cutting Brass, which provides the excellent thermal conductivity required for clean installation in thermoplastics.
Primary Applications
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Automotive Sensors: Mounting sensors in intake manifolds or fluid reservoirs where a leak-proof seal is mandatory.
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Outdoor Electronics: Used in IP-rated (weatherproof) enclosures to ensure that moisture cannot penetrate the housing via the mounting points.
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Medical Equipment: Ideal for devices that require frequent sterilization or exposure to fluids, preventing contaminants from pooling inside fastener recesses.
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Pneumatic Systems: Providing secure mounting points for valves and manifolds without compromising air pressure.
Professional Considerations
When specifying closed-end inserts, it is crucial to match the screw engagement length to the internal depth of the insert. If the screw is too long, it will bottom out against the brass floor, potentially stripping the threads or cracking the plastic boss. For high-corrosion environments, these inserts are often nickel-plated to ensure the seal remains intact and the threads remain clean over the product's entire lifespan.
Versatile Applications
Brass Closed End Inserts are suitable for diverse industries such as electronics, plastic moulding, and automotive components due to their adaptable design and resistance properties. Their robustness ensures reliable performance in varied environmental and mechanical conditions.
Superior Material & Finish Options
Crafted from premium brass, these inserts provide excellent strength and durability. Choose from natural, nickel-plated, or tin-plated finishes to match your specific corrosion resistance and aesthetic requirements.
Customized to Your Needs
Lengths are tailored as per customer specifications, with thread types available in both metric and imperial standards. Our CNC machining delivers precise dimensions and a tolerance of 0.05 mm, ensuring a perfect fit for your project.
FAQ's of brass Closed End Insert:
Q: How are brass Closed End Inserts installed?
A: Brass Closed End Inserts can be installed using either press fit or ultrasonic insertion methods, depending on your application and material requirements.Q: What benefits do these inserts offer for plastic moulding?
A: They provide strong, permanent threads in plastic components, enhancing mechanical strength and preventing thread stripping, making them ideal for repeated assembly.Q: When should I select nickel or tin plating for these inserts?
A: Nickel or tin plating should be chosen when enhanced corrosion resistance, improved conductivity, or specific visual appearances are required for your application.Q: Where can these inserts be used beyond plastic moulding?
A: Apart from plastic moulding, they are excellent for electronics, automotive parts, and other assemblies where secure threaded fastening in non-metallic materials is needed.Q: What is the manufacturing process for these inserts?
A: Each insert is CNC machined from high-quality brass to the customer's required length and diameter, then finished in natural, nickel, or tin, before quality inspection.Q: How does the closed end design benefit the application?
A: The closed end design prevents debris and contaminants from entering the insert, protecting internal threads and ensuring dependable performance in sensitive assemblies.
Price:
- 50
- 100
- 200
- 250
- 500
- 1000+
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Contact Details
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