Noosverl Drill Bits,Spiral Step Drill Bits for metal,High Speed Steel Titanium Coated,4PCS 4mm to12/20/32mm drill bit,Metal Drill Bits for hard steel for DIY Plastic Wood Metal Aluminum Copper

£33.99

  • HSS & Titanium CoatedThe step drill bits (metal cone drill bits) is made of high speed steel and titanium coating and has strong durability,Drill bits can easily cut steel plate, aluminum plate, copper, plastic, wood and other materials
  • Drill Size3 kinds of Spiral Step Drill Bit, the dimensions of step cutter for metal are: 4-12 mm, 4-20mm, 4-32mm; a total of 29Sizes
  • Improve Work EfficiencyStep drill bits can cut multiple sizes of holes on one drill bit, meeting the needs of processing holes with different diameters,easily without changing bit constantly
  • Double Groove Spiral DesignStep drill bit adopts spiral double cutter design, realizing faster, more stable and smoother cutting.It can automatically chamfer the hole to clean the drill bits,and the step tool is automatically deburred from the hole when the drill bit is drilled
  • ApplicationStep Drill Bit for metal Suitable for sheet metal, sink, car repair, etc. Widely used to cut holes in a variety of material like plate, aluminum, insulation board, PVC board.5 Inch Spring Automatic Center Punch Tool with The Rubber Cap Can Be Increased or Decreased Striking Force, It’s More Easy to Use

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Metal drill bits -size:
4-12, 9 Steps (Diameter 4, 5, 6, 7, 8, 9, 10, 11, 12mm)
4-20, 9 Steps (Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
4-32, 15 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)

Package:
1Pcs 5 Inch HSS center punch
3Pcs spiral step drill bits (step up drill bit)

Step cone drill bit- features:
Unique step structure, one drill can open various sizes of aperture, a ladder drill to a box bit
Stable,working witout pre-working
Titanium alloy coating reduces friction and HSS(High speed steel) offering a combination of hardness and toughness for wear resistance,has a longer service life
Scope of application: automotive sheet metal, repair and modification, bridge doors and windows, home appliances
Can be used for the following equipment: hand-held drilling machine, drilling machine milling machine, machining center
Having Mutifunction, a terrific helper to be used for deburring,chamfering,expanding hole

Note:
The speed of the hand drill is recommended to be 100-1000r/min.
The larger the diameter of the drill, the slower the speed requirement
Please cool down with water when working because of the high temperature,so that the validity period can last longer

Additional information

Weight 0.31 kg
Brand

Noosverl