HSS Twist Flute Step Drills (4-32mm)

HSS Twist Flute Step Drills (4-32mm)
Product Details
Basic Info
  • Model NO.: Step Drills

  • Material: M2, M35

  • Classification: Hammer Drill

  • Applications: Building and Industrial

  • Impact Drill Structure: Canines Style

  • Customized: Customized

  • Drill Brand: Ouke

  • Trademark: ouke

  • HS Code: 8202310000

  • Type: Gun Drill Bit

  • Use: Metal Drilling

  • Drill shape: Round

  • Impact Drill Head: Impact Drill

  • Specification: 49mm, CE

  • Condition: New

  • Flute: Spiral or Straight

  • Origin: Jiangsu, China

Product Description
HSS Twist Flute Step Drills(4-32mm)  
With Titanium coated
Hex quick change shank, straight flute
HSS Step Drill bits with straight flute, hex quick change shank
Cutting object: Metal sheet
Size arrange: From 4mm to 40mm
There is a table about the step drills with straght flute

HSS Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit.
Each step drills does the work of many drill-bit sizes. Drills round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2mm) thick as well as in plastic and wood.
No center punching or pilot hole drilling is required on most sizes. The bits are easy to keep sharp,  and the hole size is easily determined by the diameter markings that are permanently laser-etched in the flute area.

Step drills are ground from solid high speed steel. A range of hole diameters can be drilled using only one tool and holes are deburred automatically by the following step.
*Suitable for drilling in alloyed and non alloyed steel sheet, pipes and profiles upto 900N/mm2 and upto a wall thickness of 5mm. Also suitable for wood and plastics.

Size            Steps          Shank dia Overall Length

Youjie Tools is one of the top level China Drill Bits manufacturers, and also a professional factory, welcome to wholesale cheap hss twist flute step drills (4-32mm) from our company.

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