Vloeiboren BIS Specials

NECESSARY FORCE IN RELATION TO RPM, DIAMETER AND MATERIAL Steel 37-50 kg/mm 2 lubricant: VTP up to 1100°C Copper-Brass lubricant: VTP up to 1100°C The above mentioned values are indicative values for standard frictiondrills. These values have to be adapted for larger thicknesses of the sheet or tube material. Changes reserved. www.bisspecials.com