1*Drilling Ceramic Electrode Ruby Pipe Guide OD12*25/42mm Diameter 0.20 to 3.0mm

Product name :Ceramic Electrode Pipe Guide

Material：with inner ruby

Usage:Efectively Removing metal oxide, edm driling machine

Size:12*25mm/42mm

Outer diameter :0.1mm to 3.0mm

Inner diameter:0.1mm-8mm

Quantity: 1pc