ISO VG 1000 Industrial Oil ,10L drill chuck 113 HRC up to 50 with

HRC up to 50 with or without coolant

and ensure consistent compressor efficiency even under continuous-duty

there are many Chinese brand also making same inserts so you can just check description of size from other brands to fix this insert

It has strong impact energy and high torque

It's 26 blades provide accurate measurement of clearances

ISO VG 1000 Industrial Oil ,10L drill chuck 113 HRC up to 50 withISO VG 1000 Industrial Oil is a high quality, high viscosity mineral based lubricant engineered for extreme industrial conditions. This heavy duty oil provides excellent film strength, superior anti wear protection, and outstanding thermal stability. It is specifically designed for use in slow speed, high load bearings, open gears, and gearboxes operating under severe load and temperature conditions. Its oxidation resistance and anti corrosion