Specifications
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Application
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Clear Coat Blending, Clearcoat, Coarse Sanding, E-Coat Sanding, Featheredging, Filler Shaping, Fine Finishing, General Purpose Sanding, Intermediate sanding, Machine Sanding, Multi-Purpose Sanding, Paint Preparation, Paint Removal, Paint Sanding, Paint Stripping, Primer Sanding, Random Orbital Sanding, Refining Scratches, Sanding, Sanding Filler
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Attachment Type
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Hook & Loop
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Backing Material
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Paper
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Backing Weight
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C Weight
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Brand
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3M™
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Case Quantity
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4 Boxes per Case
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Color
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Blue
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Diameter
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3 in, 5 in, 6 in
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Diameter (Metric)
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127 mm, 152 mm, 76 mm
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Form Type
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Clean Sanding
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Grit
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120, 150, 180, 220, 240, 320, 40, 400, 500, 600, 80, 800
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Mineral Type
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Ceramic Aluminum Oxide
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Number per Inner
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50 per Carton
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Packaged Form
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Boxed
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Performance Level
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Better
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Product Form
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Abrasive Disc
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Sanding Method
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Hand, Machine
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Vacuum Support
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Yes
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Wet or Dry
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Dry
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Details
- A best-in-class abrasive for the entire repair and paint prep process
- Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class
- Multi-hole pattern delivers excellent dust extraction and reduces loading
- Anti-loading coating prevents dust and debris from clogging the cutting surface
- Upgraded resins improve durability and finish
- Hookit™ attachment makes changing discs fast and easy
Our 3M™ Hookit™ Blue Abrasive Disc 321U delivers best-in-class performance at every stage of paint prep and body repair. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of automotive sanding applications. Specially-designed multi-hole pattern reduces loading, extends disc life and aligns with most backup pads. Hookit™ attachment makes disc changes easy.
