This stainless-steel clamp bolt and nut assembly is engineered to secure vibratory screener clamp rings in industrial separation equipment. Designed to secure Clampco clamp rings, the clamp bolt and nut consist of a corrosion-resistant stainless-steel bolt paired with a brass coupling nut to ensure consistent fastening performance under high-vibration conditions.

Clamp rings are responsible for securing screens and separator frames within vibratory screening systems. Proper fastening directly affects screen tension, vibration transfer, and overall separator stability. An improperly specified clamp bolt and nut can lead to uneven compression, loosening under vibration, or premature hardware wear.

The stainless-steel bolt provides structural strength and corrosion resistance, while the brass coupling nut improves thread engagement and serviceability. Together, these materials support reliable mechanical fastening in demanding processing environments.

Materials & Mechanical Benefits 

The stainless-steel bolt used in this clamp bolt and nut assembly offers strong resistance to corrosion, fatigue, and mechanical wear. Vibratory screening equipment operates under continuous motion and cyclic stress, making material strength and dimensional stability essential.

The brass coupling nut is selected to improve thread interaction. Brass reduces friction during tightening and lowers the risk of galling compared to steel-on-steel fastening. In applications where clamp rings are removed and reinstalled regularly, smoother thread engagement improves maintenance efficiency and reduces long-term thread damage.Brass also performs well in humid or mildly corrosive environments where standard steel nuts may seize over time. The stainless steel and brass combination in this clamp bolt and nut configuration allows for controlled torque application and consistent clamp pressure. Proper thread engagement supports faster installation and more predictable tightening results.Maintenance & Durability

Routine inspection of each clamp bolt and nut supports long-term operational reliability. Examine threads for wear, deformation, or corrosion during scheduled maintenance intervals. Replacing worn hardware proactively reduces the risk of clamp loosening or uneven screen tension. The brass coupling nut provides improved resistance to thread seizing compared to standard steel alternatives in high-vibration screening systems.

Why This Matters 

A properly specified clamp bolt and nut contribute to stable clamp ring performance, consistent screen tension, and reduced maintenance interruptions. Quality fastening hardware supports dependable separator operation and extends the service life of screening components. Pairing this assembly with compatible clamp rings and related fastening hardware ensures consistent mechanical performance in vibratory screening applications.

Clampco-Compatible Bolt Set vs. Generic Steel Hardware

• Brass coupling nuts may offer smoother thread engagement and reduced seizing over time
• Thicker partially threaded option helps prevent bolt bending during tightening
• Two lengths provide flexibility for different clamp ring configuration

• Designed for Clampco Clamp Rings: Perfectly complements existing setups, ensuring a secure fit.
• Bolt Length Options: 8.25" partially threaded | 8" fully threaded bolts available to meet different operational needs.

• Lead Times: N/A.
• Shipping Options: Parcel shipping available for all bolt and nut configurations.
• Expedited Shipping: Available upon request—contact us to prioritize your order.

• Replacing worn hardware on Clampco clamp ring assemblies
• Supporting fastener integrity during frequent screen replacements
•  Preventing thread damage in wet or corrosive industrial environments

Installation & Use Tips 

Proper installation ensures the clamp bolt and nut perform as intended. Inspect bolt and nut threads before installation to confirm they are clean and undamaged. Surface debris or thread distortion can affect torque consistency.

Always begin threading by hand to ensure proper alignment and prevent cross-threading. Once the bolt and brass coupling nut are properly engaged, tighten using appropriate tools while avoiding excessive torque. Over-tightening can create uneven gasket compression or place unnecessary stress on clamp rings and screen frames.

After initial startup, verify torque levels to account for settling under vibration. Using calibrated torque tools promotes consistent fastening pressure and repeatable maintenance procedures.

• Durable Stainless Steel Bolts: Resist corrosion and wear for long-lasting performance.
• Brass Coupling Nuts: Offer a secure fit and reliable fastening for clamp rings.
• Two Bolt Options: 8.25" partially threaded bolt | Reduces warping with a thicker unthreaded shank and provides extra length for easier nut engagement. 8" fully threaded bolt | Offers uniform threading for flexible use.
• Ease of Use: Extra length in the partially threaded option simplifies installation and minimizes time spent securing clamp rings.

• Material: Stainless steel bolts | Brass nuts for reliable and secure fastening.
• Bolt Lengths: 8.25" partially threaded | 8" fully threaded.

What is included with this product?
Each unit includes one stainless steel bolt and one brass coupling nut.

What’s the difference between the two bolt styles?
The 8.25" version has a partially threaded shank for extra rigidity and ease of alignment; the 8" version is fully threaded for compatibility with standard screener setups.

Will this work with non-Clampco rings?
It’s engineered specifically for Clampco clamp rings but may fit similar ring types with matching dimensions.

Why use a brass nut instead of steel?
Brass coupling nuts resist thread seizing, especially in humid or high-vibration environments.