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Stepped twist drill bit TiAlN

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Stepped twist drill bit TiAlN

Extremely versatile and extremely fast spiral step drill bit with an exceptionally long service life.

  • Min./max. drill diameter: 4-20 mm
  • Shaft diameter: 8 mm
  • Shaft length: 23 mm
  • Shank style: 3-face shank
  • Length: 69 mm
  • Type description: TiAlN
  • Surface: TiAlN

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You can refine your search by selecting different attributes

Art.-no. Min./max. drill diameter Shaft diameter Shaft length Shank style Quantity PU
4-20 mm 8 mm 23 mm 3-face shank
1 pcs

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Just leave the field empty if you don't know the packaging unit when directly entering the article number in the shopping basket or when importing with Easy-/VarioScan. The packaging unit will be determined automatically.

Structure of our article number

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:

Information on price and image display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
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Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
Art.-no. Cust. Mat. No.

Hazardous Material

Product information

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Technical information

Exclusively for trade customers

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Particularly suitable for stainless steel

Longer service life

Extremely hard micro surfaces and cutting edges and high temperature resistance up to 800°C.

Faster drilling speeds

Higher possible feed rate and speeds

Precise spot drilling

Self-centring drill tip

Up to 30% faster compared with competitor products

Optimally tailored cutting edge geometry

Up to double the service life compared with competitor products

Reduction of wear on the drill tip and main cutting edges, and on the radial and axial relief grind

No slippage in the drill chuck

3-face shank and 1/4 inch bit holder

Precise working

Laser-inscribed diameters in both spiral grooves

Very little reworking required

Precise and circular drilling holes


Ensure that there is sufficient cooling/lubrication. Make sure that the feed is even. Observe the speed table.