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Vented Silver Plated Bolts (metric)

Vented Silver Plated Bolts (Metric) from TFM: Superior Conductivity and Pressure Relief in Precision Fastening

When your application demands both electrical conductivity and pressure equalization, Vented Silver Plated Bolts (Metric) from TFM offer an outstanding solution. Designed to meet the high standards of scientific, aerospace, and vacuum environments, these bolts deliver exceptional mechanical strength, chemical resistance, and reliable venting performance.

What Are Vented Silver Plated Bolts (Metric)?

These are high-performance stainless steel bolts finished with a silver plating and feature a central vent hole or channel. The venting design allows trapped gases or contaminants to escape during system operation or bolt tightening—essential for maintaining vacuum integrity and eliminating virtual leaks. The silver coating not only improves electrical conductivity, but also reduces galling, enhances corrosion resistance, and improves torque repeatability.

These bolts conform to metric thread standards, making them compatible with global components and equipment.

Key Features

  • Vented Core Design
    Built with a precision-drilled hole or milled channel to provide effective pressure relief, preventing gas buildup and ensuring system stability—especially in UHV and cleanroom environments.

  • Silver Plated Finish
    The silver coating enhances electrical and thermal conductivity, reduces friction during tightening, and minimizes cold welding under vacuum conditions.

  • High-Grade Stainless Steel Base
    Provides mechanical durability, resistance to high temperatures, and long-term corrosion resistance.

  • Metric Threading
    Available in standard metric sizes to ensure easy integration into international systems.

  • Cleanroom & UHV Ready
    Manufactured with attention to cleanliness and precision, making them ideal for semiconductor, aerospace, and scientific use.

Application Areas

TFM’s vented silver plated bolts are used in demanding applications where vacuum integrity, conductivity, and precision fastening are essential:

  • Ultra-High Vacuum (UHV) Chambers
    Minimize virtual leaks and ensure stable vacuum environments in research or semiconductor systems.

  • Cryogenic & Thermal Applications
    Excellent thermal conductivity and resistance to temperature extremes.

  • Electronics & Signal Grounding
    Ideal for securing components that require reliable electrical contact and signal grounding.

  • Aerospace & Satellite Systems
    Used in orbital instruments or vacuum assemblies where non-outgassing, conductive, and anti-galling fasteners are required.

  • Photonics & Optoelectronics
    Enable clean and precise mounting of sensitive optical components without contamination.

Why Choose TFM for Vented Silver Plated Bolts?

At TFM, we specialize in delivering advanced fasteners for high-precision applications. When you choose our vented silver plated bolts (metric), you’re getting:

  • ✅ Premium-Grade Materials: Only high-purity stainless steel and thick, uniform silver plating.

  • ✅ Expert Craftsmanship: Tight tolerances, clean venting, and consistent plating ensure peak performance.

  • ✅ Technical Expertise: Our team can help you select the right bolt for your unique environment—whether it’s UHV, thermal, or electrical.

  • ✅ Global Compatibility: Metric sizing supports integration into international systems and assemblies.

  • ✅ Reliable Supply & Support: With responsive service and fast delivery, TFM ensures your project stays on track.

Order Your Vented Silver Plated Bolts (Metric) from TFM

Optimize your system’s conductivity and performance with Vented Silver Plated Bolts (Metric) from TFM. Whether you’re building a vacuum chamber, grounding sensitive electronics, or working in cleanroom environments, our fasteners deliver unmatched functionality and quality.

Contact TFM today for a quote or technical consultation. Let us help you secure your critical components—precisely and reliably.

Dimensional Drawings

Ordering table

Reference Material Thread Size Part Number
Metric Headbolts Ag plated M2 X 0.4P HCHM0204-004S4PV
Metric Headbolts Ag plated M2 X 0.4P HCHM0204-005S4PV
Metric Headbolts Ag plated M2 X 0.4P HCHM0204-006S4PV
Metric Headbolts Ag plated M2 X 0.4P HCHM0204-008S4PV
Metric Headbolts Ag plated M3 X 0.5P HCHM0305-004S4PV
Metric Headbolts Ag plated M3 X 0.5P HCHM0305-005S4PV
Metric Headbolts Ag plated M3 X 0.5P HCHM0305-006S4PV
Metric Headbolts Ag plated M3 X 0.5P HCHM0305-008S4PV
Metric Headbolts Ag plated M4 X 0.7P HCHM0407-005S4PV
Metric Headbolts Ag plated M4 X 0.7P HCHM0407-006S4PV
Metric Headbolts Ag plated M4 X 0.7P HCHM0407-008S4PV
Metric Headbolts Ag plated M4 X 0.7P HCHM0407-010S4PV
Metric Headbolts Ag plated M4 X 0.7P HCHM0407-012S4PV
Metric Headbolts Ag plated M4 X 0.7P HCHM0407-016S4PV
Metric Headbolts Ag plated M5 X 0.8P HCHM0508-006S4PV
Metric Headbolts Ag plated M5 X 0.8P HCHM0508-008S4PV
Metric Headbolts Ag plated M5 X 0.8P HCHM0508-010S4PV
Metric Headbolts Ag plated M5 X 0.8P HCHM0508-012S4PV
Metric Headbolts Ag plated M5 X 0.8P HCHM0508-016S4PV
Metric Headbolts Ag plated M5 X 0.8P HCHM0508-020S4PV
Metric Headbolts Ag plated M6 X 1.0P HCHM0610-008S4PV
Metric Headbolts Ag plated M6 X 1.0P HCHM0610-010S4PV
Metric Headbolts Ag plated M6 X 1.0P HCHM0610-012S4PV
Metric Headbolts Ag plated M6 X 1.0P HCHM0610-016S4PV
Metric Headbolts Ag plated M6 X 1.0P HCHM0610-020S4PV
Metric Headbolts Ag plated M6 X 1.0P HCHM0610-025S4PV
Metric Headbolts Ag plated M8 X 1.25P HCHM0812-010S4PV
Metric Headbolts Ag plated M8 X 1.25P HCHM0812-012S4PV
Metric Headbolts Ag plated M8 X 1.25P HCHM0812-016S4PV
Metric Headbolts Ag plated M8 X 1.25P HCHM0812-020S4PV
Metric Headbolts Ag plated M8 X 1.25P HCHM0812-025S4PV
Metric Headbolts Ag plated M8 X 1.25P HCHM0812-030S4PV

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FAQ

Tube fittings are designed for tubes (measured by outside diameter and wall thickness) used in high-pressure and instrumentation applications, whereas pipe fittings are for pipes (identified by nominal pipe size) primarily used in fluid transport.

 

Common valve types include ball valves, gate valves, check valves, butterfly valves, and globe valves. Each serves a specific function—from quick shutoff (ball/gate valves) to flow regulation (globe valves).

 

  • For tubing, measure the outside diameter; for pipes, refer to the nominal pipe size (using conversion charts if needed). Always match the valve or fitting size to your pipe’s dimensions and flow requirements.

  • Frequently used thread types include NPT (National Pipe Tapered), BSP (British Standard Pipe), and UNC, along with slip-fit options that rely on compression or fusion rather than threads.

Interchangeability depends on manufacturer specifications and certification. Always verify compatibility via manufacturer guides or certified interchangeability charts.

 

  • A coupling is a short, straight fitting used to join two pipes or tubes. It provides a secure, leak-tight connection and can sometimes serve to extend or repair piping runs.

Consider valve type, pressure and temperature ratings, material compatibility with your fluid, actuation method (manual or automatic), and maintenance requirements.

 

  • Valves regulate flow by opening, closing, or partially obstructing the pathway. Their mechanisms (such as the rotation of a ball or the linear movement of a gate) determine the speed and precision of flow control.

  • A flange is a flat, circular component used to connect pipes, valves, or other equipment. Bolted together with gaskets, flanges provide a secure, leak-proof joint that facilitates both assembly and maintenance.

  • Manual valves require physical operation via handles or levers, whereas actuated valves use mechanisms—pneumatic, electric, or hydraulic—to open and close automatically or remotely.

  • Issues include leaks caused by improper installation, over-tightening, degraded seals, material incompatibility, and fatigue from repeated cycling. Regular inspection and proper installation practices help mitigate these problems.

Regular maintenance involves periodic inspections, cleaning or replacing worn seals, ensuring proper torque during installation, and adhering to manufacturer guidelines and local plumbing codes to preserve system integrity.

 

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