Punch with the drill

which tips to choose in every situation

Choosing which to use to drill different materials is not always easy. I propose here in brief a vast choice of possibilities to drill various materials with the drill. A good drill will certainly include:

  • Swing effect, creates a vibration that makes it possible to pierce the walls more simply.
  • Adjusting the rotation speed, generally the more a tip has a small diameter, the more it will have to turn quickly, the bigger it will be, the more it will have to turn slowly.
  • Reverso, also turn in the opposite direction, useful in case it is used as a screwdriver.
  • Clutch, adjusts the maximum torque, always useful for use as a screwdriver

Iron and Steel

  • Carbon steel tips, suitable for soft metals.
  • iron tip
  • HSS high speed steel tips, high speed steel, suitable for hard metals.
  • iron tip
  • Titanium nitride tips, treated with this extremely hard ceramic material, improves cutting capacity and durability, they are also recognizable by their golden color.

Speed of rotation of drill bits for iron

Ø
Diamtro Punta
Steel Stainless Steel
Steel
Special
Malleable Cast Iron
Brass - Copper
Bronze
Aluminum alloys
mm Giri/min Giri/min Giri/min Giri/min Giri/min Giri/min
2 16000 8000 6300 9500 17500 22000
3 10500 5300 4200 6300 11600 14800
4 8000 3900 3100 4700 8700 11100
5 6300 3100 2500 3800 7000 8900
6 5300 2600 2100 3100 5800 7400
8 4000 2000 1500 2300 4300 5500
10 3100 1600 1200 1900 3500 4400
12 2600 1400 1000 1500 2900 3700
14 2200 1100 900 1300 2500 3100
16 2000 1000 800 1100 2100 2700
18 1700 850 700 1000 1900 2400
20 1500 750 600 950 1700 2200

Wood
    wood tip
  • Wood drills, excellent for small diameters
  • mecchia legno
  • Mecchie, for larger holes
  • wood cup saw
  • 30mm hole saw, excellent for through holes on panels.

What is Widia

The slang name Widia derives from the registered trademark of Krupp who invented this material in 1926 and called it Wie Diamant (as a diamond). These are hard particles of tungsten carbide incorporated into a metal matrix.

Concrete Masonry

    masonry tip
  • Two or four cutting edges with widia tips, are specific for masonry, activate the beating effect of the drill to drill more quickly and with less effort.
  • concrete cup
  • Crown bits, cups for large diameters with widia inserts. If the tip is not enough and you want to make a clean hole, the cups are the right choice for you.

Stoneware, Stone and Glass Tiles

    diamond point
  • Diamond tips for gress and stone, you can also use them on un-tempered glass. Don't press too hard for a safe hole. No knocking effect, cool with water.

Mechanic

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