Three high-speed HSS 4341 double spiral flute step drills.
Double spiral flutes for efficient swarf clearance.
Allows clog-free precision drilling.
Size #1: åø4-12mm.
Size #2: åø4-22mm in 2mm increments.
Size #3: åø4-30mm in 2mm increments.
Supplied in flip-up metal case.
Model No. AK4749
Consumable
