Ingco 6pcs Hss Twist Drill Bits Set (akdb1065)

The High-speed drill or HSS twist drill bit is used for boring into the metal with maximum accuracy.
The bit is created for drilling holes in alloyed and non-alloyed steel, cast iron, cast steel, sintered iron, non-ferrous metals, cast iron, and hard plastics.
High-speed steel bits are built of carbon steel with a mixture of other components such as chrome and vanadium.
This enables them to work at high drilling speeds.
It is used to drill iron, steel, and metal such as brass, aluminum alloy and copper.
High-speed steel (Hss) drill bit is used to drill wood, polyvinyl chloride (PVC), fiberglass and soft metal like aluminum.
Hss drill bit is also used to drill plastic and wood if nothing else is available.