High-speed
steel, used in hardness under 25 ¡ã workpiece, the plate thickness
under 5 mm. such as carbon steel plate, sheet iron, insulation boards,
wood. Cannot be used for stainless steel.
Material:
HSS / High Speed Steel,Classic high speed steel with titanium coating
for proven capability and durability in drilling holes in plastic,
aluminum, copper, stainless steel and many other types of sheet metal.
EASY
DRILLING: Two-fluted design provides faster, smoother cutting;Provided
with small pressure and the sets can cut through wood, sheet metal,
steel and other surfaces.
IDEAL For DIY: Tiny Home and General Building / Engineering Using.