The 28864 is a tungsten vanadium 0.5mm Drill Bit Set with high speed steel (HSS) is a high alloy tool steel extremely resistant to wear due to its manufacturing process and is dimensionally stable up to approximately 600°C, cutting oil or coolant emulsion should be used as cooling lubricant, when machining steel. Spirits or petroleum should be used for aluminium. Normally, plastic and wood can be dry-machined.
- 0.5mm drill bit
- 44mm Length
维护与修理
