Original BESSEY all‑steel screw clamp GZ with tried‑and‑tested wooden handle

Product details
  • 20 % more clamping force per spindle rotation with optimised rail profile
  • Maximum security with linear transfer of force at the sliding arm
  • Clamping force up to 6,000 N
  • Fixed jaw and sliding arm are constructed of tempered steel for resilient clamping
  • Ergonomically shaped wood handle
  • Pressure plates can be replaced by hand – no need for tools (from 80 mm width)
steel wood
spareparts = Show Spareparts
Order number Opening Throat depth Rail Weight
mm mm mm kg
GZ10
100 60 15x6 0.3
GZ12
120 60 15x6 0.31
GZ30-6
300 60 15x6 0.42
GZ16 spareparts
160 80 17,5x6,8 0.52
GZ20 spareparts
200 100 22x8,5 0.95
GZ30-10 spareparts
300 100 22x8,5 1.09
GZ25 spareparts
250 120 24,5x9,5 1.34
GZ30-12 spareparts
300 120 24,5x9,5 1.4
GZ40-12 spareparts
400 120 24,5x9,5 1.56
GZ30 spareparts
300 140 28x11 1.96
GZ40 spareparts
400 120 28x11 2.04
GZ50 spareparts
500 120 28x11 2.27
GZ60 spareparts
600 120 28x11 2.47
GZ80 spareparts
800 120 28x11 2.82
GZ100 spareparts
1000 120 28x11 3.22
GZ125 spareparts
1250 120 28x11 3.75
Maximum stability

The optimised profile shape guarantees greater clamping force build-up in the shortest time, while maintaining greater stability and safety. The fixed clamp forged from a single piece with moulded pressure plate is hardened, tempered and galvanised, making it highly durable and torsion-resistant.

Forged sliding arm

The sliding arm allows for more efficient transfer of force. As a result of its more linear transfer of force, the new U-shaped sliding arm offers maximum security with the heaviest of loads. You can rely on that.

Pressure plate

For enhanced serviceability the pressure plate can be changed with no need for tools. It can be replaced very easily and quickly.

Smooth‐running spindle

The surface‐coated spindle with acme thread is particularly smooth‐running, and does not bind. For even smoother, more efficient work.

  • Interior fittings
  • Metal construction
  • DIY
  • Furniture and joinery works
  • Locksmith work
  • For clamping resiliently, elastically and powerfully
  • Clamping tools are not suitable for lifting, pulling or transporting.
  • Clamping tools may only be clamped manually without using any auxiliary tools.
  • Improper use can cause personal injuries or material damage.
  • Never change or modify clamping tools. Only use them in their original condition. Only use original‐spare parts if required.
  • Fixed and sliding bracket made of tempered steel, galvanised
  • Spindle with trapezoidal thread in rolled steel, burnished
  • Handle made of wood, water-based paint
  • Pressure plate made of steel, cold pressed, galvanised
  • Regular maintenance is necessary - only then can a secure hold be guaranteed (no slipping of the sliding bracket)
  • Clean the rails with solvent
  • Always keep the rail free of grease, oil or dried glue, waxes and silicone-based release agents
  • Clean and oil the spindle regularly
  • If the rail is shiny, roughen both narrow sides with emery cloth (100 grain)
  • Clean and oil the pressure plate regularly

Product video All-steel screw clamp with wooden handle GZ

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