What is the maximum clamping force of this clamp?

The Bessey STB50M delivers a clamping force of up to 22000 N at a tightening torque of 70 Nm.

What are the opening capacity and throat depth of the STB50M?

This heavy-duty clamp provides a maximum opening width of 500 mm and a throat depth of 175 mm.

What type of handle and spindle drive does this model have?

It features a steel tommy bar handle and a 19 mm hexagonal drive on the end of the spindle.

Is the pressure plate heat-resistant?

Yes, it is equipped with a heat-resistant special pressure plate with a sintered steel insert that tilts up to 35°.

What is the weight of the Bessey STB50M clamp?

This heavy-duty construction clamp weighs 6.67 kg.

BESSEY STB50M structural clamp, heavy STBM 500x175mm

Name: BESSEY STB50M structural clamp, heavy STBM 500x175mm
Brand: BESSEY
SKU: 41210089
Price: 194.8 EUR
Availability: PreOrder

Supplier number: BESSEY STB50M | EAN 4008158007625

Recommended Retail Price €286.47

194.80 tax incl.

€160.99 excl. VAT (incl. all environmental contributions)

On order: delivered from 17/10/2026

Ordered before 20:00 - delivered as of 17/10/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

Heavy duty clamping by Bessey

Practical benefits

Extreme high clamping force: You secure demanding heavy workpieces firmly with a clamping force up to 22000 N at 70 Nm tightening torque.
Heat resistant tilting pad: The durable pressure plate with sintered steel insert tilts up to 35 degrees, ensuring extended service life.
Reliable effortless power transmission: Using the solid tommy bar and the integrated 19 mm hexagonal bolt spindle end, you achieve maximum torque easily.

In a nutshell

The right choise for

With the Bessey STB50m heavy-duty construction clamp, you securely lock down beams, heavy steel profiles, and large fabrications during demanding welding and structural work. Weighing 6.67 kg, this solid clamp delivers an extreme clamping force of up to 22000 n at 70 Nm tightening torque, preventing any shifting under heavy loads. An opening width of 500 mm combined with a 175 mm throat depth easily accommodates oversized workpieces. The heat-resistant steel pressure plate with a sintered steel insert tilts up to 35 degrees, ensuring long-lasting performance during intense welding. Using the heavy-duty tommy bar handle and the 19 mm hexagonal spindle drive, you effortlessly transfer maximum torque directly where needed.

Product information FAQ

€194.80

tax incl.

Key features according to our expert

Max. clamping height: 500 mm
Depth: 175 mm
Clamping tool handle type: Clampign lever
Clamping force: 22000 N
Weight: 6,67 kg
Product Range: Bessey STBM

Product description:

Clamping force up to 22,000 N at a torque of 70 Nm
Long service life thanks to heat-resistant special pressure plate with sintered steel core, swivels up to 35°
With hexagon 19 mm on the spindle end

All Features

Max. clamping height: 500 mm
Depth: 175 mm
Clamping tool handle type: Clampign lever
Clamping force: 22000 N
Weight: 6,67 kg
Product range: Bessey STBM

Brand BESSEY
41210089
EAN 4008158007625
Supplier number BESSEY STB50M

Frequently asked questions about this product

Answered by specialists

What is the maximum clamping force of this clamp?: The Bessey STB50M delivers a clamping force of up to 22000 N at a tightening torque of 70 Nm.
What are the opening capacity and throat depth of the STB50M?: This heavy-duty clamp provides a maximum opening width of 500 mm and a throat depth of 175 mm.
What type of handle and spindle drive does this model have?: It features a steel tommy bar handle and a 19 mm hexagonal drive on the end of the spindle.
Is the pressure plate heat-resistant?: Yes, it is equipped with a heat-resistant special pressure plate with a sintered steel insert that tilts up to 35°.
What is the weight of the Bessey STB50M clamp?: This heavy-duty construction clamp weighs 6.67 kg.