copper single-hole brass edm tubes
web-type/I-type brass edm tubes
copper tubes
Ducal channel /z-hole round brass edm tubes
a: single hole
outside diameter:D0.15mm, 0.2mm 0.25mm ,length:200mm or 300mm
outside diameter:0.3~6.0mm (each size interval 0.1mm) length:400mm or 500mm
b:Multi hole:
outside diameter:0.12~6.0mm (each size interval 0.1mm) length:300mm or 400mm
Brass tube electrode is mainly used in small hole EDM drill for mould steel(SKD-11) materials