Spiral Flute HSS 4341 Step Drill Bit 4-30mm

• SPIRAL FLUTE - High-speed HSS 4341 spiral flute step drill. • SWARF CLEARANCE - Spiral flutes for efficient swarf clearance. • PRECISION - Allows clog-free precision drilling of ten different size holes between 4-30mm with just one bit. • SIZES - Ø4-30mm in 2mm increments. • STORAGE - Supplied in plastic storage case.