Product name
4pcs step drill bit
Material
high-speed steel 4241 steel
Surface treatment
plating titanium
Shank
Straight Flute/spiral groove
Usage
metal working , Woodworking
Packing
Plastic Pipe/Cloth Bag/Wooden Box
Shank Type
Triangular handle/Hexagonal handle
Application
stainless steel,carbon steel,iron plate,aluminum plate,plastic plate