Step Drill Bits
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HSS extension twist drill bit with two steps
Surface Finish: amber coating,titanium,black and white Finish
Manufacturing art:fully ground
Customized size
Size(mm): 6.0mm-18.0mm
Shank:straight shank
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Fully ground HSS Co M35 twist drill bit with two steps
Surface Finish: amber coating,titanium,black and white Finish
Manufacturing art:fully ground
Size(mm): 3.0mm-12.0mm
Shank:straight shank
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Hex Shank HSS Step Drill Bit with spiral flute
Material: HSS
Thermal treatment: Bit part 62-65HRC
Shank: hex shank. All shank with 1/4″ quick change hex shank or 3/8″ quick change.
Flute type: straight flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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3pcs Hex Shank HSS Step Drill Bit with titanium coating
Material: HSS
Thermal treatment: Bit part 62-65HRC
Shank: hex shank. All shank with 1/4″ quick change hex shank or 3/8″ quick change.
Flute type: straight flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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3pcs HSS Step Drill Bit with spiral flute
Material: HSS
Thermal treatment: Bit part 62-65HRC
Flute type: spiral flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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3pcs HSS Step Drill Bit with straight flute
Material: HSS
Thermal treatment: Bit part 62-65HRC
Flute type: straight flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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4pcs HSS Step Drill Bits set
Material: HSS
Thermal treatment: Bit part 62-65HRC
Sizes:4-12,4-20,4-32,4-39
Flute type: spiral flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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5pcs HSS Step Drill Bits set
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.
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Hex Shank Quick release HSS Step Drill Bit
Material: HSS M2
Thermal treatment: Bit part 62-65HRC
Shank: hex shank. All shank with 1/4″ quick change hex shank or 3/8″ quick change.
Flute type: straight flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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9pcs HSS Step Drill Bits set with black and amber coating
Material: HSS
Thermal treatment: Bit part 62-65HRC
Flute type: straight flute
Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
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High Quality HSS Step Drill Bit with Spiral Flute
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
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Tin-Coated HSS Step Drill Bits with Straight Flute
Size: 4-12mm, 4-20mm, 4-32mm
Material: HSS or Cobalt M35, HIGH SPEED STEEL
Flute Type: Spiral Flutes
Surface Finish: Tin-coated
Application: Steel, Brass, Copper, Aluminium, Wood and Plastic Material