Segmented Grinding Disc OSF®
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For detailed information, other images and documents, please select individual articles from the following table.

Segmented Grinding Disc OSF®

Blue/green/yellow for steel, stainless steel and non-ferrous metals (pipe professional). The One Step Finish (OSF) disc for direct use on speed-controllable angle and fillet seam grinders offers a combination of fast material removal and perfect surface quality in the pipe area. Ideal for welding seam removal and finish grinding in one work step.

  • Drill hole: 22.23 mm
  • Grid size: Medium
  • Design: Domed
  • Material of the carrier disc: Glass fabric
  • Material of abrasive medium: Aluminium oxide

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Available in 2 versions

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You can refine your search by selecting different attributes

Art.-no. Diameter Max. rotation speed Min./max. recommended rotation speed Max. recommended rotation speed Quantity PU
115 mm 13200 rpm 2700-3700 rpm 3700 rpm
125 mm 12200 rpm 2500-3500 rpm 3500 rpm

Packaging unit

The packaging unit defines the number of articles in one packaging. In the catalog segment you can choose from different packaging units if a pop-up menu is displayed.

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):
The price always applies to a quantity ruled through the price key:
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. ! common.detail.customermaterialnumber !

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Product information

Würth Catalogue

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Technical information

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3 in 1

  • 1. Grinding welding seams

  • 2. Blending

  • 3. Finish grinding

  • Free of iron, chlorine and sulphur (≤ 0.1%)

  • Nylon abrasive fleece "Surface Conditioning" material

  • Aluminium oxide with Top Size abrasive cloth

  • Robust backing disc from glass fabric

  • Enormous amount of time saved (significant reduction in work steps)

  • Grind and complete welding seams in a single operation

  • Constant and low Ra value (high surface quality)

  • No changes in shape during grinding

  • Cooler grinding (low working temperature)

  • No clogging

  • No additional support plate required

The surface quality is an expression of the roughness (Ra value)