...tried and tested solutions for perfect connection.

GripTec GTB

German building authority approval No. Z-1.5-133   (in German)

BETOMAX® screw connection system
GripTec GTB  for static an dynamic loads

  • German building authority approval No. Z-1.5-133
  • BSt 500 S reinforcement steel / 12-28 mm Ø to DIN 488, 32 and 40 mm Ø with general building authority approval
  • Metric ISO thread (Ø 28 M30 x 2.5)
  • Colour coding of different diameters
  • Plastic caps protect all couplings and threads
  • All variants can be exposed to full tensile and / or compressive stress
  • Range of stress Ø 12-28 2σA = 95 N/mm² to DIN 1045-1
  • Range of stress Ø 32-40 2σA = 80 N/mm² to DIN 1045-1
  • Envisaged bending: 2 x ds behind socket
  • Swaged coupling
  • Fast delivery of standard lengths ex warehouse
  • Bar lengths up to 14 m available, longer bars on request
  • Each bar is tested with 150% of the working load
  • Necessary torques with torque wrench apply
  • Series erection in conjunction with trapezoidal strip




GripTec GTB-A - connecting bar

Connecting bar for GripTec GTB reinforcement system.

Standard lengths available immediately ex works.

GripTec GTB-M - socket bar

Socket bar for GripTec GTB reinforcement system.

Standard lengths available immediately ex works.