♦ Step design allows drilling multiple diameters with just one bit
♦ Step drill bit with 2-flute design is ideal for drilling steel, stainless steel, copper, and aluminum sheets
♦ Made of high-speed steel with titanium coating for greater durability and longevity
♦ Available drill sizes: 4-12 mm; 4-20 mm; 4-32 mm
♦ New Speed Point tip ensures fast penetration and prevents drill bit jamming
Includes 3 spiral drill bits with metal body

Model: RH-5903
Material: HSS M2
Coating: titanium coating
Drill size: “4-12: 65 mm 4-20: 74 mm 4-32: 102 mm”
Step number: “4-12: 5 4-20: 9 4-32: 15”
Shank type: triangular
Shank size: 6/8/10 mm
Cutting angles: 120°
Flute type: spiral
Maximum material thickness: 4 mm >
Packaging: in iron box