Số Mô Hình
4Pcs Step Drill Bit Set
Product Name
4Pcs Straight Flutes HSS Step Drill Bit Sets in Wooden Case
Size
4-12mm, 4-20mm, 4-32mm, 4-39mm
Material
HSS or Cobalt M35
Flute Type
Straight Flutes
Point Degree
135 Degree Split Point
Surface Finish
Titanium Coating
Application
Steel,Brass, Copper,Aluminium,Wood and Plastic Material