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4-1/2" x 7/8" Dewalt 120-Grit Zirconia Type 29 Angle Grinder Flap Disc (DW8310) $3.61 + Free Shipping w/ Prime or on $35+
✍️ By Slava • Verified Nov 01, 2026

4-1/2" x 7/8" Dewalt 120-Grit Zirconia Type 29 Angle Grinder Flap Disc (DW8310) $3.61 + Free Shipping w/ Prime or on $35+

Deal Price
$3.60 $11.50
35
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💬 3
📊 Deal Intelligence & Market Context ⚡ Real-Time Analytics
Category Benchmark +27% vs Avg

27% deeper than the Autos category benchmark (43%)

Price Velocity -$7.90 MSRP cut

📉 Immediate $7.90 markdown (70% off) from list price

💡 Why this is notable: The 70% discount substantially outperforms typical Autos promotions by 27 percentage points.

*When you purchase through links on our site, we may earn an affiliate commission.

About this Deal

Hey DIYers, check out this awesome find! Amazon has the DeWALT 4-1/2" x 7/8" 120 Grit Zirconia Angle Grinder Flap Disc (DW8310) marked down to just $3.61. Plus, you get free shipping with Prime or when you spend $35 or more!

Product Details:

  • Zirconia grit enables 3x faster material removal than fiber resin metal sanding discs
  • Premium abrasive cloth provides up to 15 x longer life than fiber resin metal sanding discs
  • Type 29 fiberglass backing provides grinding angle of 20-25 degrees

💬 Community Comment Consensus

AI-driven analysis of community comments & user feedback (2 comments analyzed)

Recommendation: Proceed with Caution Score: +0.0

The community feedback for this DeWALT flap disc is currently focused entirely on logistics rather than product performance.

  • Pros: None reported.
  • Cons: Significant shipping delays reported by users.

Community Verdict: Proceed with Caution. Due to the lack of product reviews and reports of long shipping lead times, ensure you are comfortable with the delivery timeline before purchasing.

💬 Community Discussion

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$3.60 4-1/2" x 7/8" Dewalt 120-Grit Zirconia Type 29 Angle Grinder Flap Disc (DW8310) $3.61 + Free Shipping w/ Prime or on $35+
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