Step drill set
Use one drill for many holes. Multiple step and countersink tool for drilling
and countersinking in one smooth operation.
SIZE: &O/;3-13mm
STEP HEIGHT: 4mm
STEEL: HSS (High-speed steel)
SIZE: &O/;5-13mm
STEP HEIGHT: 8mm
STEEL: HSS (High-speed steel)
SIZE: &O/..