hockmeyer hm 1 16 micro mill . Hockmeyer Model Hm Grinding Mill Price. Hockmeyer Micro Mill DDLD line Optimum Micro Mill Dispersion Speed: 4,800 to 5,200 FPM, HEC encourages customers to run at 5,200 FPM Optimum milling speed for HM configuration is 5,000 RPM (2,150 FPM) and for HCPN 5,000 to 7,000 RPM *Other dimensions and powers available …