Inner Threaded Shank HSS Drill Bits for Impact Wrench Features:

High quality HSS material ensures great performance and long life

Precisely ground tip and flute makes fast drilling and chip removing

Suitable for using on impact wrench, no need to switch tool

Suitable for drilling sheet metal, wood, plastic & plaster board etc.

Extenstion poles are available for distant area

Size: 10 – 36mm; 3/8″ – 1 3/8″, other sizes available too