The tool holders are manufactured from 16 MnCr, nitrided to 800 HV 10, nitriding hardness depth 0.5 mm.  All tool holders have two threaded connections for external coolant supply . 

We offer a wide range of practical, quality tools. From precision boring bar holders with external or internal cooling lubricant supply (also a set-back 45 mm boring bar holder version in the case of the Biglia B436) through to cut-off tool holders with coolant supply for universal blade holders.