Description:
Its unique structure of the ladder and bit allows you to open the various specifications of the opening.
No need to use center punch as compared to normal twist drills that are not easy to break.
Deburring, chamfering, enlarging oval holes, twist drill, and didnt do these functions.
He can use the tools: Drill, bench drill.Work can effectively extend the life of the drill bit, while keeping water cooled.
Shank: 1/4 hex shank "\
Length: Approx. 4.5mm
Size: 0.1 - 0.5 inch (3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 13 mm)
Material: High speed steel HSS steel.
Package included:
1 x Titanium Step Drill.