These HSS (High Speed Steel) drill bits are among the best in terms of its speed, life and endurance.
Designed for rapid precision drilling these bits work great on a wide range of materials including steel, iron, alloys and other metals, laminates, wood, plasterboard and plastics.
Size:
3mm x 100mm
4mm x 119mm
Wewould advise using the 3mm drill bits as a pilot for 4mm screws and the 4mm bit with 5mm screws.