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PFERD Polifan SGP STRONG Abrasive Flap Disc, Type 29, Round Hole, Phenolic Resin Backing, Zirconia Alumina

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Product Specifications
Attachment Type
Round Hole
Material Type
Phenolic Resin
Construction Type
Coated
Grit Material Type
Zirconia Alumina
Brand Name
Pferd
Manufacturer Series Number
Polifan SGP STRONG
Backing Type
Cloth
Style Name
Type 29
UNSPSC Code
31191506

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Disc Diameter Grit Size Arbor Diameter Maximum Speed Pkg Qty Mfr Part # ASIN

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Currently showing 1-4 of 4
4-1/2" 50 Grit 7/8" 13300 rpm 1 62947 B003HIWKR8 11 $15.75 Buy Options
4-1/2" 36 Grit 7/8" 13300 rpm 1 62945 B003HIWKQY 9 $15.75 Buy Options
5" 36 Grit 7/8" 12200 rpm 1 62955 B003HIWKSM 2 $18.96 Buy Options
5" 50 Grit 7/8" 12200 rpm 1 62957 B003HIWKT6 9 $18.55 Buy Options

Key Features

  • Zirconia alumina abrasive is self-sharpening, more durable than aluminum oxide, and for use on steel
  • High-density abrasive and larger flaps for prolonged life over standard flap discs
  • Type 29 angled style is more aggressive than type 27 style and is used for chamfering, deburring, and work on weld seams
  • Phenolic resin backing offers durability and reinforcement
  • Unthreaded round hole for attachment to grinding tools

Product Description

The Pferd Polifan SGP Zirkon-Strong type 29 zirconia alumina abrasive flap disc has a phenolic resin backing for reinforcement and an unthreaded round hole for attachment to grinding tools, and is thicker than a standard disc for longer life. The zirconia alumina abrasive is self-sharpening and more durable than aluminum oxide, which makes it suitable for fast material removal rates and aggressive grinding on steel. The disc produces a high-quality, consistent finish and has a longer life than standard flap discs. It is free of iron, sulphur, and chlorinated fillers. Applications include chamfering, deburring, and work on weld seams. The disc has an angled shape for maximum workpiece contact and is commonly used with angle grinders. It has an unthreaded round hole for attachment to the grinding tool. The tool's arbor goes through the central hole in the disc for fastening.

Abrasive flap discs are made from overlapping pieces of coated abrasive attached to a hub. They help reduce finishing time and cost by grinding and finishing in the same step, such as when removing a weld bead and smoothing the workpiece around the weld. Flap discs are coated, meaning an adhesive is used to attach the abrasive grains to a backing of paper, plastic, or cloth. The action of a flap disc is much like that of a sanding disc: the grinding or polishing occurs on the face of the disc. They are used for a variety of applications from shaping a part to fine finishing, depending on the grit size. Low grit numbers like 40 are coarse (with fewer, larger grains) and remove excess material and shape parts. High grit numbers like 400 are fine (with more, smaller grains) and help create a smooth surface finish.

Pferd manufactures abrasives and cutting tools for grinding, finishing, and cutting. Founded in 1799 in Germany, Pferd has its U.S. headquarters in Leominster, MA, and meets International Organization for Standardization (ISO) 9001 standards.

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