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📉 PRICE DROP
Drill America SD-1 Carbide Burr/Rotary File Ball-End Double Cut for Die Grinder 1/4" Dia. x 7/32" Cut Length with 1/4" Shank and 2" Overall Length, DUL Series
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 6:16 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The retail sticker price has been slashed by 77% — a steep markdown from the official listing.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- 📈Pricing has been trending lower — momentum that adds further appeal to this deal.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
22/22
Market Standing
11.39/20
Deal Strength
7/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Also called die grinder bits, rotary burrs and rotray files, these burrs are designed for cleaning out material in a wide-range of products including wood, plastics, stainless steel and other metals such as nickel, iron, steel, tool steel and titanium
✓Trade number SD-1 with a Ball-End Double Cut shape
✓Double-cut style has rows of cutting teeth cut in two intersecting directions for fast material removal and a rougher finish
✓1/4" Head Diameter with 7/32" Head Length and 2" Overall Length
✓1/4" round shank allow use with a wide variety of toolholding systems
⚙️ Specifications
Material
Carbide
Cutting Length
0.22 inches
Finish Type
Unfinished
Cutting Diameter
0.25 inches
Number of Flutes
1
Size
SD-1
End Cut Type
Ball End
Cut Type
Double Cut
Brand
Drill America
Shape
Round
Tolerance Held
Precision
