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SKU 7010366943
Legacy SKU 66000029653
UPC 00051115353659
Part Number 808634

The 15˝ x 15˝ blocks of material in our Standard Abrasives™ Unitized Block - 600 Series have a soft to medium density, making them a good match for medium-pressure cleaning and blending. The blocks are also effective for removing small burrs and radiusing edges, and can be customized into various shapes for a range of uses.

  • 15˝ x 15˝ block in a range of thicknesses can be converted to a custom size or shape and used for hand sanding or mounted to a tool
  • Soft/Medium density material blends surfaces to a nice finish
  • Increased edge durability over the 500 Series offers better cut and adds life for light deburring and blending applications
  • Open web is load resistant, contributing to longer abrasive service life
  • Open web features nylon strands that will not melt or smear when heated, reducing potential for unwanted marks and blemishes
  • Suitable for ferrous and non-ferrous metals, available with aluminum oxide for better cut or silicon carbide for finishing exotic metals or composites
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On it's way to you March 22  

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Minimum Order 5 Items
Order Increment 5 Items
  Multi-Functional
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Product Dimensions
Imperial Metric
Thickness 1 in 25.4 mm
Shipping Dimensions
Weight 21.813 lb
Length 16.4 in
Width 16.4 in
Height 8.8 in

PRODUCT FAQ

  1. What type of surface can I use the Standard Abrasives™ Unitized Block 808634 on?

    The Standard Abrasives™ Unitized Block 808634 is suitable for deburring and finishing on a range of metal surfaces such as stainless steel, aluminum, brass, and titanium.

  2. Can I use the block multiple times or is it single-use only?

    Our unitized abrasive blocks are designed to be long-lasting and durable. You can use them multiple times before they need to be replaced.

  3. What is the grit size of this product?

    The Standard Abrasives™ Unitized Block 808634 has an aggressive ceramic abrasive that provides efficient cutting action with fine finishes in grades ranging from coarse to very-fine.

  4. How many pieces come in a pack when someone orders the unitized block item number 632?

    .: There are five (5) unitizes blocks that come per case when you order the standard abrasives -unitize block item number 632.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Cut to Custom Size or Shape for Hand Sanding or Tool Attachment

The Standard Abrasives™ Unitized Block - 600 Series comes in varying thicknesses that can be cut to size for hand finishing or refining. It is also ideal for specialty uses, when working with an intricate or unique workpiece that requires an unusual shape to achieve the desired result. After cutting and dressing the material into a customized shape, such as a mounted point or other abrasive specialty, attach it to a tool using a unitized wheel mandrel (sold separately).

For your applications requiring a standard wheel shape, choose from the Standard Abrasives™ line of Series 600 Unitized Wheels, offered with a center hole or quick change attachment (sold separately).

Soft to Medium Density Material Offers Multi-Purpose Utility

The Standard Abrasives™ 600 Series Unitized Block has a soft to medium density when compared to the rest of the Standard Abrasives™ Unitized Block line, and is designed with increased durability over the 500 Series wheels. Constructed with fine grade mineral, this double-duty abrasive combines durability with a fine scratch pattern, making it a great choice for projects that require an aggressive cut yet soft finish – namely, tough blending and polishing applications.

Use the Standard Abrasives™ Unitized Block - 600 Series in aluminum oxide for blending and refining surfaces of jet blade airfoil, blending parting lines from cast turbine blades and vanes, blending stainless steel surgical instruments, mill marks and machine mismatches and removing minor pits, scratches, resins/adhesive overspray, coating and plastic mold flashing.

When it comes to polishing, trust a Standard Abrasives™ 600 Series Unitized Block with silicon carbide for polishing fillet areas on jet blades and aircraft parts, polishing after weld removal and polishing mold and die, cast aluminum, brass and copper. It's also a good match for finishing of surgical instruments and prosthetics.

Due to its conformability, this material is great for projects with strict tolerances, because it responds to surface irregularities without gouging or undercutting the part.

Non-Woven Unitized Construction Offers a Step Up in Density and Durability for Stubborn Surfaces

Standard Abrasives™ Unitized Blocks come in a range of densities and grades to suit different metals, the degree of aggressiveness required and desired finish. Although used for some of the same tasks as Standard Abrasives™ Buff and Blend products, unitized products are designed with a far stronger and denser construction to support more aggressive applications and accomplish material removal more rapidly, making them a great match for tough deburring, cleaning, blending and finishing applications. Even though unitized construction results in a much stiffer product, the non-woven nylon fibers of the block maintain the advantage of responding to surface irregularities while preserving the geometry of the piece, and produce a consistent finish.

Unitized blocks are created by stacking layers of open web material that combines non-woven fiber strands and abrasive mineral with a tough resin bond. These layers are then cured and compressed together with heat. By fusing layers of open web, the abrasive gains more toughness and durability, so it can withstand repeated wear.

Ultimately, the material's durability is what makes it such a good match for edges. The material is tough enough to perform high-pressure edgework without tearing or otherwise disintegrating. Regardless of the thickness of the block, it maintains its structural integrity to remain a stiff and long-lasting abrasive even under high pressure. Additionally, as the layers wear, the material can be dressed to refresh its shape.

Load-Resistant Construction Boosts Life and Performance

Standard Abrasives™ Unitized Blocks are load-resistant to keep you cutting with fresh mineral. The gaps in the open web allow unwanted swarf to escape. Consequently, less debris clogs the abrasive, so the mineral can stay fresh, keep cutting sharp and deliver a consistent cut over the life of the product. As the fibers break down and fresh mineral is exposed, it reduces the likelihood of dull or blunt mineral smearing the surface, contributing to cleaner surfaces and less re-work. Furthermore, manual fatigue that may result from applying heavy pressure to a dull abrasive is reduced.

The Many Benefits of Standard Abrasives™ Non-Woven Products

Standard Abrasives™ Unitized products offer many benefits for heavy-duty jobs. For all the aforementioned reasons, Standard Abrasives™ Unitized products invigorate deburring, cleaning, blending and finishing applications by helping operators reduce finishing steps, minimize costs and achieve greater throughput.

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