Bessey STBM Heavy-Duty High-Performance Clamp – Extreme Clamping Force for the Toughest Jobs

Engineered for the most demanding clamping applications, the Bessey STBM Clamp delivers unmatched strength and durability. With up to 22,000 N of clamping force and just 70 Nm of tightening torque, this clamp is the professional’s choice for metal fabrication, heavy construction, and industrial manufacturing.

Designed for extreme reliability under pressure, the STBM features a heat-resistant, tilting pressure plate with a sintered steel insert for smooth operation—even under high loads or angled surfaces. Crafted from premium tempered and galvanized steel, this clamp stands up to the most rugged environments.

✅ Key Features & Benefits

• Massive Clamping Power – Up to 22,000 N
  Ideal for tasks requiring extreme holding force with minimal manual effort.

• High Torque Efficiency – Just 70 Nm
  Achieve maximum clamping force with low torque, reducing fatigue and improving productivity.

• Heat-Resistant Tilting Pressure Plate
  The pressure plate tilts to conform to uneven or angled surfaces and includes a sintered steel insert for reduced wear and extended service life.

• Built for Longevity
  Tempered steel components, a trapezoidal-thread spindle, and phosphated surfaces ensure maximum resistance to wear, rust, and mechanical stress.

• Versatile Industrial Use
  Designed for heavy-duty applications in metal construction, welding, machine assembly, and more.

📏 Available Sizes

• Rail Lengths: From 300mm to 1500mm

• Throat Depth: 175mm

🛠️ Applications

• Metalworking & Welding

• Heavy-Duty Industrial Fabrication

• Construction Sites

• Automotive & Shipbuilding

• Steel Assembly & Structural Engineering

⚙️ Technical Specifications

• Max Clamping Force: 22,000 N

• Tightening Torque: 70 Nm

• Spindle: Trapezoidal thread, phosphated and tempered rolled steel

• Brackets: Fixed & sliding, made of tempered, galvanized steel

• Pressure Plate: Tilting, heat-resistant, phosphated with sintered steel insert

• Toggle Handle: Galvanized steel for strong leverage and control

🔍 Why Choose the Bessey STBM Clamp?

The STBM Series is the pinnacle of high-performance clamping from Bessey. Designed for serious professionals who demand the highest standards of strength, precision, and longevity. Whether in a factory, fabrication shop, or on-site, these clamps handle high pressure with ease.