What is the maximum clamping force of this clamp?

The Bessey STB125M delivers a clamping force of up to 22000 N at a tightening torque of 70 Nm.

What are the clamping capacity and throat depth?

This heavy-duty clamp has a maximum opening of 1250 mm and a throat depth of 175 mm.

What type of handle and spindle drive does the STB125M feature?

It features a tommy bar handle and a 19 mm hexagon on the spindle end.

How heavy is this high-performance clamp?

The total weight of the STB125M is 10.77 kg.

Can the pressure plate clamp angled workpieces?

Yes, the heat-resistant special pressure plate swivels up to 35° for secure clamping on angled surfaces.

BESSEY STB125M construction clamp, heavy STBM 1250x175mm

Name: BESSEY STB125M construction clamp, heavy STBM 1250x175mm
Brand: BESSEY
SKU: 41210155
Price: 284.8 EUR
Availability: PreOrder

Supplier number: BESSEY STB125M | EAN 4008158007557

Recommended Retail Price €417.91

284.80 tax incl.

€235.37 excl. VAT (incl. all environmental contributions)

On order: delivered from 16/10/2026

Ordered before 20:00 - delivered as of 16/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

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Maximum clamping performance by Bessey

Practical benefits

Tremendous 22000 N clamping force: You secure heavy metalwork reliably with up to 22000 N of clamping force generated at a 70 Nm torque.
Generous span for fabrication: The 1250 mm opening and 175 mm throat depth allow you to clamp wide structural beams and bulky components effortlessly.
Heat resistant swivel plate: The durable pressure plate swivels up to 35 degrees, ensuring dependable workpiece grip even during demanding welding and steel fabrication tasks.

In a nutshell

The right choise for

With the Bessey STB125m heavy-duty clamp, you secure heavy steel beams and large structural components with absolute stability. Delivering a massive clamping force of up to 22000 n at a 70 Nm tightening torque, it reliably prevents slipping and distortion during demanding welding, drilling, or machining tasks. Its generous 1250 mm opening and 175 mm throat depth easily accommodate wide, bulky workpieces. The heavy-duty tommy bar handle and 19 mm spindle hexagon ensure maximum torque transfer, while the heat-resistant pressure plate swivels up to 35° to maintain an uncompromising grip on angled surfaces.

Product information FAQ

€284.80

tax incl.

Key features according to our expert

Max. clamping height: 1250 mm
Depth: 175 mm
Clamping tool handle type: Clampign lever
Clamping force: 22000 N
Weight: 10,77 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: 1250 mm
Depth: 175 mm
Clamping tool handle type: Clampign lever
Clamping force: 22000 N
Weight: 10,77 kg
Product range: Bessey STBM

Brand BESSEY
41210155
EAN 4008158007557
Supplier number BESSEY STB125M

Frequently asked questions about this product

Answered by specialists

What is the maximum clamping force of this clamp?: The Bessey STB125M delivers a clamping force of up to 22000 N at a tightening torque of 70 Nm.
What are the clamping capacity and throat depth?: This heavy-duty clamp has a maximum opening of 1250 mm and a throat depth of 175 mm.
What type of handle and spindle drive does the STB125M feature?: It features a tommy bar handle and a 19 mm hexagon on the spindle end.
How heavy is this high-performance clamp?: The total weight of the STB125M is 10.77 kg.
Can the pressure plate clamp angled workpieces?: Yes, the heat-resistant special pressure plate swivels up to 35° for secure clamping on angled surfaces.