Imperial Hex Head Bolt & Nut Sets (Clearance Flanges)
TFM’s Imperial Hex Head Bolt & Nut Sets (Clearance Flanges) are designed to provide secure and durable fastening solutions for high-performance vacuum, cleanroom, and industrial applications. These precision-engineered sets feature robust hex head bolts paired with matching nuts, ensuring leak-tight connections and reliable performance in demanding systems. Crafted from corrosion-resistant materials, these sets are ideal for use in clearance flange assemblies, offering long-lasting performance under high pressure and vacuum conditions.
Key Features
Hex Head Bolt Design
The hex head bolts offer ease of installation and removal, even in tight spaces. Their six-sided shape provides an excellent grip, making them suitable for use with standard tools, ensuring quick and secure fastening in both industrial and cleanroom environments.Corrosion-Resistant Stainless Steel
Made from high-quality stainless steel, these bolt and nut sets offer excellent resistance to corrosion, oxidation, and wear, ensuring that they maintain their integrity even in harsh environments. This makes them ideal for high-demand systems, including vacuum and semiconductor setups.Matching Nuts for Secure Fitment
The matching nuts in these sets are designed to work seamlessly with the hex head bolts, ensuring that both the bolt and nut remain secure throughout their use. The precise fitment reduces the risk of loosening or slippage, which can cause potential failures in critical systems.Imperial Thread Sizes
Available in a range of imperial thread sizes such as ¼-20, 10-32, and 5/16-24, these bolt and nut sets are compatible with various clearance flange assemblies, making them versatile for a wide range of applications.Leak-Tight Connections
The high-quality construction and secure fitment of these bolts and nuts ensure leak-tight connections, which are crucial in vacuum and pressure-sensitive environments.
Applications
Vacuum Systems
These bolt and nut sets are perfect for use in vacuum systems where secure, leak-tight connections are critical. Whether for use in UHV chambers or vacuum flanges, they offer exceptional reliability and performance.Semiconductor Manufacturing
Ideal for semiconductor manufacturing environments such as PVD, CVD, and etching systems, the Imperial Hex Head Bolt & Nut Sets offer superior mechanical strength and corrosion resistance, making them perfect for high-precision applications.Cleanroom and Research Environments
Designed for cleanroom use, these sets are packaged in a manner that prevents contamination, making them ideal for use in laboratory and research settings where cleanliness and reliability are essential.Aerospace and Industrial Systems
These bolt and nut sets are also suitable for aerospace and industrial systems that require strong and secure connections, where corrosion resistance and durability are essential for maintaining system integrity.
Specifications
Thread Sizes: UNC (¼-20, 10-32, 5/16-24)
Material: Stainless steel
Head Style: Hex head for easy tool use
Nut Style: Matching nuts for secure fastening
Packaging: Cleanroom-compatible packaging
Plating: Unplated stainless steel (optional plating available)
Why Choose TFM?
TFM’s Imperial Hex Head Bolt & Nut Sets (Clearance Flanges) provide the perfect combination of durability, corrosion resistance, and ease of use. With secure, leak-tight connections, these sets are ideal for high-performance applications such as vacuum systems, semiconductor fabrication, cleanroom setups, and industrial environments. Designed to meet the highest standards, TFM ensures that every component delivers exceptional performance.
Ordering Table
Flange OD | Thread TPI | Length | Note | Part Number |
DN16CF (1.33" OD) | 32 | 0.75 | 2 | SBS832075S4-25 |
DN25CF (2.125" OD), DN35CF-DN40CF (2.75" OD) | 28 | 1.38 | — | HBS25028138 |
DN25CF (2.125" OD), DN35CF-DN40CF (2.75" OD) | 28 | 2 | 1 | HBS25028200 |
DN35CF-DN40CF (2.75" OD) | 28 | 2.25 | 1 | HBS25028225 |
DN50CF (3.375" OD) | 24 | 1.75 | — | HBS31224175 |
DN63CF (4.50" OD), DN75CF (4.625" OD) | 24 | 2 | — | HBS31224200 |
DN100CF (6.00" OD) | 24 | 3 | 1 | HBT31224300 |
DN100CF (6.00" OD), DN125CF (6.75" OD), DN160CF (8.00" OD) | 24 | 2.25 | — | HBS31224225 |
DN200CF (10.00" OD) | 24 | 2.5 | — | HBS31224250 |
DN200CF (10.00" OD) | 24 | 3.5 | 1 | HBT31224350 |
DN250CF (12.00" OD) | 24 | 2.5 | — | HBT31224250 |
DN275CF (13.25" OD) | 24 | 4 | — | HBT37524400 |
DN350CF (16.50" OD) | 24 | 3 | — | HBT37524300 |
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