bedra topas^® plus S wires are part of bedra's world-renowned EDM Wire portfolio. Well known for their high quality, all bedra EDM wires are manufactured in Germany by Berkenhoff GmbH, a global leader with over 100 years of pioneering developments in non-ferrous fine wire manufacturing. Berkenhoff started drawing EDM wires as far back as 1969 and began producing brass wires in 1976.

Berkenhoff is certified to ISO 9002 and its 400+ employees include specialists in chemistry, physics, material sciences, material testing, analysis, quality control, and factory automation. Berkenhoff is globally one of the very few fully vertically integrated wire producers where the complete EDM wire manufacturing process from casting to drawing to spooling and packaging is done under one roof, assuring total control of all critical EDM wire parameters. bedra EDM wire sets the global standard for quality and consistency which translates to precise, efficient, and uninterrupted WEDM machine operation.

bedra topas^® plus S  wire is manufactured to a tensile strength of 500 N/mm², features a CuZn36 brass core and a gamma brass coating. It comes in multiple diameters on a variety of spool sizes. 

bedra topas^® plus S is a soft gamma phase wire universally applicable on Charmilles machines as well as in taper cut applications requiring a lower tensile strength and higher elongation wire. Due to its special coating has up to 20% higher cutting speed compared to brass wire.