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Crushed Walnut Shell Media 18/40 Medium Grit, 5 lb – California English Walnut Blasting & Brass Tumbling Media for Sandblasting, Vibratory Tumblers – Made in USA
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 10:37 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
16/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Industrial Mineral Supply
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓MEDIUM 18/40 GRIT FOR BRASS & GENERAL TUMBLING – The go-to size for cleaning brass cases in a vibratory tumbler, deburring soft metals, and light sandblasting where you need to strip carbon, paint or grime without etching the base metal underneath.
✓CALIFORNIA ENGLISH WALNUT, SCREENED & PACKED IN THE USA – Sourced from California English walnut shell, screened to a consistent 18/40 mesh and bottled at our facility in Griffith, Indiana. Not imported, not blended. Low dust, uniform grain, batch after batch.
✓SAFE ON DELICATE SURFACES – Walnut shell is a soft, biodegradable abrasive (3–4 Mohs) that cleans aluminum, brass, chrome, wood, fiberglass and engine parts without pitting or warping. Ideal for intake valve carbon cleaning, gun parts, tumbling and vintage restoration.
✓REUSABLE MEDIA THAT LASTS – Recycles through a blast cabinet or tumbler many times before breaking down. 5 lb is a full charge for most benchtop vibratory tumblers (Lyman, Frankford Arsenal, Hornady) with plenty left for the next swap, or enough to run a benchtop blast cabinet for light-duty work. Add a capful of polish for mirror-bright brass.
✓RESEALABLE WIDE-MOUTH JAR – Ships in a heavy PET jar with a screw cap so it stores dry and pours clean. Need a different grit? We also offer 12/20 Coarse, 35/60 Fine and 40/100 Extra Fine, plus 15 lb bulk boxes — see the size selector above. Questions? We're a blasting shop; ask us.
⚙️ Specifications
Brand
Industrial Mineral Supply
Color
Brown
Age Range (Description)
Adult
Material
Walnut Shells
Item Weight
5 pounds
Number of Items
1
UPC
739601234971
Manufacturer
IMS
Package Dimensions
10.04 x 5.55 x 4.8 inches
Size
18/40
Batteries Included?
No
