What is the purpose of the Bessey WTR?

It is designed to securely hold, stabilise, and align door frame corners at a precise 90° angle during installation.

What door frame thickness is this clamp suitable for?

The clamp accommodates door casing and frame thicknesses ranging from 8 to 30 mm.

What is the adjustment range of the clamp?

The spindle mechanism provides an adjustment travel of 32 mm for accurate alignment.

Is the WTR compatible with other Bessey door assembly tools?

Yes, it integrates seamlessly into the Bessey door installation system alongside the TU brace and TFM clamp.

BESSEY WTR corner/frame alignment clamp

Name: BESSEY WTR corner/frame alignment clamp
Brand: BESSEY
SKU: 02675961
Price: 85.8 EUR
Availability: InStock

Supplier number: BESSEY WTR | EAN 4008158026947

Recommended Retail Price €120.56

85.80 tax incl.

€70.91 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 4 products in stock.

Ordered before 20:00 - delivered as of 05/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Precise alignment of door frames

Practical benefits

Exact right angles: You stabilise and clamp frame corners at a true 90° angle for clean, seamless joins during door installation.
Versatile clamping capacity: With an opening width of 8 to 30 mm, you securely hold standard door frame thicknesses in place.
Smooth protective adjustment: The 32 mm adjustment range and protective caps allow you to align joints accurately without damaging delicate surfaces.

In a nutshell

The right choise for

With the Bessey wtr door frame straightening clamp, you ensure every door casing is aligned truly square and flush. This tool firmly stabilises and clamps delicate mitred corners at an exact 90° angle, keeping frame joints perfectly positioned prior to screwing or applying expanding foam. Accommodating material thicknesses from 8 to 30 mm, it fits standard door frames with ease, while the 32 mm adjustment travel allows for smooth, precise fine-tuning. Integrated plastic protective caps safeguard the wood against pressure marks, helping you complete door installations faster, accurately, and without surface damage.

Product information FAQ

€85.80

In stock - tax incl.

Key features according to our expert

Clamping width: 30 mm
Max. clamping height: 30 mm

Product description:

For precisely fixed and stabilised frame corners
Exact 90° angle

All Features

Clamping width: 30 mm
Max. clamping height: 30 mm

Brand BESSEY
02675961
EAN 4008158026947
Supplier number BESSEY WTR

Frequently asked questions about this product

Answered by specialists

What is the purpose of the Bessey WTR?: It is designed to securely hold, stabilise, and align door frame corners at a precise 90° angle during installation.
What door frame thickness is this clamp suitable for?: The clamp accommodates door casing and frame thicknesses ranging from 8 to 30 mm.
What is the adjustment range of the clamp?: The spindle mechanism provides an adjustment travel of 32 mm for accurate alignment.
Is the WTR compatible with other Bessey door assembly tools?: Yes, it integrates seamlessly into the Bessey door installation system alongside the TU brace and TFM clamp.