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Conical countersink assortment Blue ring, HSS 90°, DIN 335 C

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Conical countersink assortment Blue ring, HSS 90°, DIN 335 C

6 pieces, consisting of diameters 6.3–20.5 mm. Designed specifically for processing conventional steels and cast iron.

  • Number of pieces in assortment/set: 6 PCS
  • Material to be processed: Steel, Cast metal
  • Quality: ZEBRA-Premium
  • Standards: DIN 335
  • Form: C
  • Cutting material: HSS
  • Countersink angle: 90 Degree
  • Surface: Uncoated
  • Number of cutting edges: 3 PCS
  • Shank style: Cylindrical
  • Service life (points system): 2 of 4 points
  • Countersinking speed (point system): 2 of 4 points
  • Countersinking quality (point system): 2 of 4 points
  • Versatility (points system): 1 of 4 points
  • Countersinking behaviour (point system): 2 of 4 points
  • Material sub-group: General structural steels, Non-alloyed tempering steels, Alloyed tempering steels, Nitriding steels, Tool steels, High-speed steels, Cast iron, Ductile iron, Malleable cast iron, White cast iron

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Art.-no. Number of pieces in assortment/set Material to be processed Quality Standards Quantity PU
6 PCS Steel, Cast metal ZEBRA-Premium DIN 335
1 pcs

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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 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.

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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.
In contrast to sales packaging and secondary packaging, the disposal costs for chemical-technical products are shown separately. The breakdown of the individual costs can be found on the relevant products and also in the shopping cart, as well as in our General Terms and Conditions (GTC).
Art.-no. Cust. Mat. No.

Hazardous Material

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Burr- and chatter-free countersinking and deburring

Precision conical countersink with 3 cutting edges, precision-ground

Optimised flute geometry

Outstanding chip formation and removal


See overview tables for countersink/material assignments