gapstar® ONE.4

gapstar® ONE.4

New generation of high performance EDM-wires with bedra TRIMPAC® technology - extra soft version for extreme conics

The new EDM high performance wire with the bedra TRIMPAC® technology. From the strengths of the wire generations cobracut®, broncocut® and topas® bedra developed the new coating technology TRIMPAC®.The result is gapstar® ONE. 


  • Extra soft version for extreme tapering
  • The revolution in speed and precision
  • Significant increase of feed rates in rough cut and trimcuts without adjustments
  • Reduced abrasion of wire preserves wire guides and power contacts
  • Novel TRIMPAC® coating enables roughness on the workpiece of Ra= 0.25 µm
  • Unprecedented cutting performance for a wide range of applications 
  • Uncompromising precision and surface quality

Further information can be found in the gapstar® ONE product video or in the gapstar® ONE brochure.

Watch gapstar® ONE video 

Download gapstar® ONE brochure

PDF Datasheet

Technical data

Core CuZn37
Tensile strength 500 MPa / 72,500 PSI
Elongation 10%
Color Amber brown
Diameter 0.25 mm
Spool types bedra8, bedra16, K250, K355, P5, P10, P15


gapstar® ONE.4 - Cross-section

Delivery program

Run-off-times wire electrodes

Further product information

Please contact me and my team

Holger Seyock

Holger Seyock

Sales Director EDM Europe
bedra Germany

Jackie Smith

Jackie Smith

Sales Manager EDM North America
bedra USA

Willy Gao

Willy Gao

Sales Director EDM Asia (without China)
bedra Hong Kong

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

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