Material: HSS
Thermal treatment: Bit part 62-65HRC
Sizes:3-12,4-12,4-20,4-32,4-39
Flute type: straight flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
Tungsten carbide tip
Hex shank
cross tips
Size:3mm,4mm,5mm,6mm,8mm,10mm,12mm
Smooth drilling
Size: 4-12mm, 4-20mm, 4-32mm
Material: HSS or Cobalt M35, HIGH SPEED STEEL
Flute Type: Spiral Flutes
Surface Finish: Bright
Application: Steel, Brass, Copper, Aluminium, Wood and Plastic Material
Surface Finish: Tin-coated
Standard: DIN338
Super coating, reduce the confection of friction, and improve the tools life much
Material: HSS+Tungsten Carbide tip
Angle: 118-135degree
Hardness: >HRC60
Application: for cutting super-hard materials, include steel, cast iron, hard metal
Fine diamond grit
Smooth and durable
Vacuum brazed manufacturing art
Roma type
Electroplated manufacturing art
20pcs different types
shank size: 2.35mm or 3.0mm
Diamond grit:80#,120#,150#,180#,240#
Sharp and durable
Size:80mm, 100mm
Electroplated manufacturing at
Size: 100mm, 160mm, 180mm, 230mm
Suitable for stone,glass,ceramics
Size: 12mm-50mm
Concave