3 Piece Set Step Drill Bit (4-20mm)

Direct Hardware


This set includes the following various drill bits:

Titanium HSS steel


    3-12mm Length: Approx. 66mm 
    4-12mm Length: Approx. 63mm
    4-20mm Length: Approx. 73mm

    The 3 Cutters Come in the Following Sizes:

    3-12mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9m, 10mm, 11mm, 12mm)
    4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)
    4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)

Our drill bits have been tested by qualified tradesmen!
Built for maximum durability and long life for use with chuck drills