Hollow-core Surface Sanding and Polishing Accessories

Grinding Wheels, Belts & Brushes; Polishing & Maintenance Products

For PTX Eco Smart (Electric) or LP 1503 AIR (Pneumatic) (with adapter)

Sanding and Polishing Abrasives CS Unitec offers a wide selection of hollow-core abrasives. The lack of a core means that the abrasives are lighter, easier to use and less expensive.

PTX Grinding Wheels for Course and Fine Finishing

Expansion Roller and Belt Sleeves

Special Brushes for Metals, Wood and Hard Plastics

Abrasives for Polishing to High-gloss and Mirror Finish

Polishing and Maintenance Products

Abrasives for Pipe Constructions – Open or Closed

Kits and Accessories

Abrasives with Core Inserts

PTX Grinding Wheels for Coarse and Fine Finishing

PTX Fleece Wheel

PTX FLEECE (Nonwoven) Wheels

Elastic nylon fleece impregnated with abrasives for a first-class finish. Produces shadow-free matte, satin and polished finishes. For removing oxidation on stainless steel and nonferrous metals and also suitable for smoothing wooden surfaces. Very high fleece content by fleece compression.

Part No. Grit Size
47411 60 grit 4" dia. x 4-1/4" wide
47412 80 grit 4" dia. x 4-1/4" wide
47413 180 grit 4" dia. x 4-1/4" wide
47414 280 grit 4" dia. x 4-1/4" wide
47415 400 grit 4" dia. x 4-1/4" wide
47416 600 grit 4" dia. x 4-1/4" wide
47417 900 grit 4" dia. x 4-1/4" wide
47401 60 grit 4" dia. x 2" wide
47402 80 grit 4" dia. x 2" wide
47403 180 grit 4" dia. x 2" wide
47404 280 grit 4" dia. x 2" wide
47405 400 grit 4" dia. x 2" wide
47406 600 grit 4" dia. x 2" wide
47422 80 grit 4" dia. x 6 " extra wide
47423 180 grit 4" dia. x 6 " extra wide

PTX Interleaf (Combi) Wheel

PTX Interleaf (Combi) Wheels

Nylon fleece combined with abrasive flaps for matte finishing, burnishing and removing light scratches, oxidation and handling marks on stainless steel and all metals. For removing old paint on wood while smoothing at the same time.

Part No. Grit Size
47311 60 grit 4" dia. x 4-1/4" wide
47312 80 grit 4" dia. x 4-1/4" wide
47313 180 grit 4" dia. x 4-1/4" wide
47301 60 grit 4" dia. x 2" wide
47302 80 grit 4" dia. x 2" wide
47303 180 grit 4" dia. x 2" wide
47322 80 grit 4" dia. x 6 " extra wide
47323 180 grit 4" dia. x 6 " extra wide

PTX Flap Wheel

PTX Flap Wheels

With radial abrasive cloth flaps in various grit sizes for removing rust, oxidation layers, minor scratches and for the regraining and burnishing of metals.

Part No. Grit Size
47211 40 grit 4" dia. x 4-1/4" wide
47212 60 grit 4" dia. x 4-1/4" wide
47213 80 grit 4" dia. x 4-1/4" wide
47214 120 grit 4" dia. x 4-1/4" wide
47215 180 grit 4" dia. x 4-1/4" wide
47201 24 grit 4" dia. x 2" wide
47202 40 grit 4" dia. x 2" wide
47203 50 grit 4" dia. x 2" wide
47204 60 grit 4" dia. x 2" wide
47205 80 grit 4" dia. x 2" wide
47206 120 grit 4" dia. x 2" wide
47207 180 grit 4" dia. x 2" wide
47208 240 grit 4" dia. x 2" wide*

* For 4" wide 240 grit PTX Flap Wheel, order two qty. 47208

PTX CLEAN Wheels

PTX CLEAN Wheels

Made of hard-textured, nonwoven fleece for cleaning and descaling welds, pore-deep removal of rust, oxidation and coatings, cleaning beams, bricks, etc. Produces an effective linear finish on stainless steel. A new production process guarantees 100% concentricity.

Part No. Grit Size
47511 Medium (black) 4" dia. x 4-1/4" wide
47501 Medium (black) 4" dia. x 2" wide

PTX GUM Wheels

PTX GUM Wheels

Soft rubber impregnated with abrasive grit for the removal of minor scratches. Ideal for a bright, decorative linear finish on stainless steel and nonferrous metals and for smoothing wooden fibers.

Part No. Grit Size
47611 60 grit 4" dia. x 4-1/4" wide
47612 180 grit 4" dia. x 4-1/4" wide
47601 60 grit 4" dia. x 2" wide
47602 180 grit 4" dia. x 2" wide

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Expansion Roller & Belt Sleeves

  Tips & Tricks
Expansion Roller

Expansion Roller

Use with sanding belts, fleece and felt sleeves. The sleeves are simply pushed over the expansion roller and held securely in place by the centrifugal force. The expansion roller is helpful when grinding large areas and removing large welds.

3-1/2" dia. x 4" wide – Part Number: 47005


PTX Zirconium Grinding Belt Sleeve

PTX Zirconium Grinding Belt Sleeve

Made of zirconium. Removes deep scratches and grinds weld seams on metals. Far less rework is required as a result of using the time-saving linear grinding technique.

Part No. Grit Size Quantity
42040 40 grit 3-1/2" dia. x 4" wide 10 / pack
42060 60 grit 3-1/2" dia. x 4" wide 10 / pack
42080 80 grit 3-1/2" dia. x 4" wide 10 / pack
42120 120 grit 3-1/2" dia. x 4" wide 10 / pack
42150 150 grit 3-1/2" dia. x 4" wide 10 / pack
42180 180 grit 3-1/2" dia. x 4" wide 10 / pack

PTX Ceramic Grinding Belt Sleeve

PTX Ceramic Grinding Belt Sleeve

High-performance ceramic aluminum oxide grain. Increased removal rate and longest life for highest productivity. Excels in all metals.

Part No. Grit Size Quantity
42440 40 grit 3-1/2" dia. x 4" wide 10 / pack
42460 60 grit 3-1/2" dia. x 4" wide 10 / pack
42480 80 grit 3-1/2" dia. x 4" wide 10 / pack

PTX “TZ” Pyramid Sleeve

PTX "TZ" Pyramid Sleeve

New abrasive cloth with pyramid-shaped grit structure. Allows high material removal while producing a very fine finish, reducing the amount of work required when compared to grinding belt sleeves and fleece sleeves. Pyramid sleeves are ideal for pre-polishing for fine mirror finishes and for removing scratches and spot welds. Even roller scale can be removed easily.

Part No. Grit Size Quantity
42265 A65/320 grit 3-1/2" dia. x 4" wide 10 / pack
42245 A45/400 grit 3-1/2" dia. x 4" wide 10 / pack
42230 A30/600 grit 3-1/2" dia. x 4" wide 10 / pack
42216 A16/1200 grit 3-1/2" dia. x 4" wide 10 / pack
42206 A06/2000 grit 3-1/2" dia. x 4" wide 10 / pack

PTX Fleece “Nonwoven” Sleeve

PTX Fleece "Nonwoven" Sleeve

Nylon impregnated with abrasive grit for removing minor to medium scratch marks and oxidation coatings, matte and satin finishing and deburring applications.

Part No. Grit Size Quantity
42010 coarse (brown)/80 grit 3-1/2" dia. x 4" wide 5 / pack
42011 medium (red)/180 grit 3-1/2" dia. x 4" wide 5 / pack
42012 fine (blue)/280 grit 3-1/2" dia. x 4" wide 5 / pack
42009 superfine (grey)/400 grit 3-1/2" dia. x 4" wide 5 / pack

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Special Brushes for Metals, Wood & Hard Plastics

PTX Stranded Wire Wheels

PTX Stranded Wire Wheels

Sturdy steel wire brush. For deburring, rust removal, roughing and cleaning metal. For brushing out soft annual rings on timber, leaving a rough rustic effect.

4" dia. x 2-7/8" wide – Part Number: 46301
4" dia. x 1" wide – Part Number: 47702*

* Requires spacer rings 40007


PTX Bristle Wheel

PTX Bristle Wheels

Elastic nylon brush impregnated with abrasive grit. For roughing and deburring metal, as well as creating a rustic effect with even annual ring transitions on timber.

4" dia. x 2-7/8" wide – Part Number: 46101
4" dia. x 1" wide – Part Number: 46102N*

* Requires spacer rings 40007


PTX Stainless Steel Wire Wheels

PTX Stainless Steel Wire Wheels

Elastic stainless steel wire brush. For cleaning welds, deburring, removing rust, roughing and removing coatings.

4" dia. x 2-7/8" wide – Part Number: 47721
4" dia. x 1" wide – Part Number: 47722*

* Requires spacer rings 40007


PTX Fiber Wheel

PTX Fiber Wheel

Elastic fiber brush. For polishing stained wood, satin finishing, pore-deep dust removal and cleaning applications.

4" dia. x 4" wide – Part Number: 46400

Note: Above wheels are configured for keyed shaft. Hollow-core shaft adapter not necessary.
Cotton Buffing Wheel

Cotton Buffing Wheel

Cotton Buffing WheelCotton yarn wheel for use with compounds. Produces a very bright high mirror finish. Use on flat, contoured or irregular surfaces.

3-1/2" dia. x 4" wide – Part Number: CS2410


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Abrasives for Polishing to High-gloss and Mirror Finish

  Tips & Tricks
PTX Felt Sleeve

PTX Felt Sleeve

Made of soft merino (endless) for polishing large stainless steel and nonferrous surfaces quickly to a mirror finish. Also suitable for hard plastics. Must be used with the expansion roller.

3-1/2" dia. x 4" wide – Part Number: 42013


PTX SuperPolish Sleeve

PTX SuperPolish Sleeve

Revolutionary special fleece produces perfect brilliant, shadow-free mirror finishes on stainless steel and nonferrous metal surfaces using polishing compounds (white and blue) and pink polishing cream. SuperPolish fleece is absorbent, does not smear and saves significant work time. Must be used with the expansion roller.

3-1/2" dia. x 4" wide – Part Number: 42013N

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Polishing & Maintenance Products

  Tips & Tricks
PTX Pre-grinding & Polishing Compound

PTX Pre-grinding & Polishing Compound

Essential for polishing all metals, including stainless steel, aluminum, etc.

PTX® WHITE pre-polishing compound (23 oz.) – Part Number: 40013
PTX® BLUE finishing compound (23 oz.) – Part Number: 40014

PTX Polishing Cream, Pink

PTX Polishing Cream, Pink

For finishing. Produces a perfect mirror finish on stainless steel and nonferrous metals when used with the SuperPolish Sleeve.

Can, 2.2 lbs. – Part Number: 40015
Miniature tube, 2 oz. (approx.) – Part Number: 40015T

PTX Lime (noncaustic)

PTX Lime (noncaustic)

For removing cream and compound residues. Scatter on the surface, and wipe off with a microfiber cloth.

Can, 2.2 lbs. – Part Number: 40016
Aluminum scatter container – Part Number: 4002A

Microfiber Cloths

Micro-fiber Cloths

For pore-deep cleaning and even distribution of maintenance products and polishes. Our micro-fiber cloths produce a top finish on all materials.

Size: 13" x 14" – Part Number: 40030

Brilliance-Clean

INOX-Protect (hard sealant)

Protects finished and polished metal surfaces (stainless steel, steel, aluminum, brass, copper, etc.) with a clear, dry adhesive film. Removes fingerprints and other dirt.

Canister (including spray bottle), 1.3 gal. – Part Number: 40041
Spray bottle, 17 oz. – Part Number: 40040

Brilliance-Clean

Brilliance-Clean

For streak- and residue-free cleaning of all surfaces, including stainless steel, steel, aluminum, brass and copper. Brilliance-Clean is not harmful to plastics, wood or coated surfaces. It removes fingerprints, dust, compound residue, minor oil and grease marks and adhesive residue effortlessly. Evaporates quickly without leaving any residue on the surface.

Canister (including spray bottle), 1.3 gal. – Part Number: 40051
Spray bottle, 17 oz. – Part Number: 40050

Brilliance-Clean

POLY Protection (oil film)

For cleaning and preserving finished and polished stainless steel and nonferrous metal surfaces. Protects against shadows and finger and water marks for a long time. Spray on and rub off with a microfiber cloth. Produces a darker effect on finished surfaces. Also suitable for food-grade and outdoor use.

Canister (including spray bottle), 1.3 gal. – Part Number: 40012
Spray bottle, 17 oz. – Part Number: 40011

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Abrasives for Pipe Constructions – Open or Closed

  Tips & Tricks
PTX Grinding Belt Roller with stainless steel flanges

PTX Grinding Belt Roller with stainless steel flanges

For grinding, fleece, SuperPolish and felt belts. The belt roller is made of wear-resistant soft Vulculan with stainless steel discs on the sides. The surface is grooved to ensure that the abrasive belt does not slip.

Diameter: 3.5" x 2.8" – Part Number: 47006

PTX Grinding Belt in high-quality aluminum oxide (closed)

PTX Grinding Belt in high-quality aluminum oxide (closed)

For coarse and initial grinding, rust removal and smoothing round metal pipes. For use with grinding belt rollers. For use on closed pipe constructions, see TIPS & TRICKS.

Part No. Grit Size Quantity
49040 40 grit 1.2" wide x 24" long 10 / pack
49060 60 grit 1.2" wide x 24" long 10 / pack
49080 80 grit 1.2" wide x 24" long 10 / pack
49120 120 grit 1.2" wide x 24" long 10 / pack
49150 150 grit 1.2" wide x 24" long 10 / pack
49180 180 grit 1.2" wide x 24" long 10 / pack
49240 240 grit 1.2" wide x 24" long 10 / pack

PTX “TZ” Pyramid Belt (closed)

PTX TZ-Pyramid Belt (closed)

New abrasive fabric with pyramid-shaped grit structure for removing scratches, roller scale and spot welds. TZ-Pyramid belts allow high material removal while producing a very fine finish. They are ideal for the initial grinding before polishing to a mirror finish. Because the grit fineness is increased slowly, it is possible to omit several operations. For use with grinding belt rollers. For use on closed pipe constructions, see TIPS & TRICKS.

Part No. Grit Size Quantity
49365 A65/320 grit 1.2" wide x 24" long 10 / pack
49345 A45/400 grit 1.2" wide x 24" long 10 / pack
49330 A30/600 grit 1.2" wide x 24" long 10 / pack
49316 A16/1200 grit 1.2" wide x 24" long 10 / pack
49306 A06/2000 grit 1.2" wide x 24" long 10 / pack

PTX Fleece Nonwoven Belt (open)

PTX Fleece Nonwoven Belt (open)

Buttonhole fastening system for fine grinding and pre-polishing on open and closed pipe constructions and handrails. The fleece belt can be opened and closed as often as necessary. For use with grinding belt rollers. International patent and design protected.

Part No. Grit Size
49001 coarse (brown) 1.2" wide x 26" long
49002 medium (red) 1.2" wide x 26" long
49003 fine (blue) 1.2" wide x 26" long
49007 superfine (grey) 1.2" wide x 26" long

PTX Felt Belt (open)

PTX Felt Belt (open)

Made of merino felt with buttonhole fastening system for polishing work on open and closed pipe constructions and handrails. The polishing belt can be opened and closed as often as necessary. For use with grinding belt rollers and our polishing compounds and creams. Use a separate felt belt for each compound and cream grit. Do not use compounds with different grits on felt. International patent and design protected.

Dimensions: 1.2" x 26" – Part Number: 49004

PTX Special Adhesive Tape

PTX Special Adhesive Tape

With glass fabric insert for joining grinding belts. Strong, heat-resistant adhesive force. For joining PTX grinding and "TZ" Pyramid belts for use on closed pipe constructions. Affix the adhesive tape over the entire length of the grinding belt, overlapping approximately 370°.

Dimensions: 1" x 165' – Part Number: 49000

PTX SuperPolish Belt (closed)

PTX SuperPolish Belt (closed)

For a perfect mirror finish on pipe constructions and handrails. SuperPolish is a new, special micro fleece that produces a perfect, brilliant mirror finish on stainless steel and nonferrous metals. Smears and shadows are eliminated when used with our polishing compounds (white and blue) and pink cream. SuperPolish is absorbent and saves lots of work time. For use with grinding belt rollers.

Dimensions: 1.2" x 26" – Part Number: 49004N
(not available with buttonhole fastening system)

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Surface Finishing Kits & Accessories

Hollow-core Shaft Adapter

Hollow-core Shaft Adapter

Allows user to utilize more economical hollow-core abrasives on traditional surface finishers. Fits 3/4" dia. x 4" long shaft and 1/4" keyway(s).

Part Number: 42004

PTX Professional Case (empty)

PTX Eco Smart Surface Finishing Kits

We offer a variety of PTX Eco Smart Kits for metalworking and woodworking.

Click here to view all of our PTX Eco Smart Kits.

PTX Professional Case (empty)

PTX Eco Smart Cases

Basic Case – Solid case for storage and outdoor use – Part Number: 40008

Professional Case (shown)– Shock-resistant hard-top case with foam inlay; ideal for construction sites and outdoor work; lockable (includes 2 keys) – Part Number: 80002

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Expansion roller - hard rubber

The hard rubber expansion roller is helpful when grinding large areas and removing large welds. Internal expansion slots now allow easier sleeve replacement and im proved adjustment to the workpiece, as well as vibration absorption and concentricity. Read more in Tips & Tricks.



Stranded wire wheel for wood

Stranded wire wheel for creating a rustic effect on wood.


A perfect mirror finish on stainless steel

Find out how to create a perfect mirror finish in our Tips & Tricks.


Grinding and polishing closed pipe constructions

Want to grind and polish closed pipe constructions? Find out how in our Tips & Tricks.