Product name
STHZ-20 YAMAHA engine concrete road core diamond drilling machine
Application
which combines high speed cutting technology
Max. drilling diameter
dia 200mm;
Max. drilling depth
400mm (up to 1500mm by using extension bar);
Motor power
3.3kW,5kW,9kW,13kW
Principal axis speed
800-1200 r.p.m
Features
double posts structure, YAMAHA motor as the driving force