Step drill set in metal case
Use one drill for many holes. Multiple step & countersink tool for drilling
& countersinking in one smooth operation.
SIZE: &O/;4-12mm
STEP HEIGHT: 8mm
STEEL: HSS (High-speed steel)
SIZE: &O/;4-20mm
STEP HEIGHT: 5mm
STEEL: HSS (High-speed steel)
SIZE: &O/;4-30mm;
STEP HEIGHT: 5mm
STEEL: HSS (..