Industrial Mineral Supply Premium Ground Walnut Shell Media 12/20 Grit – 5 lbs / 2.3 kg

Overview

Industrial Mineral Supply offers a dependable, natural option for light abrasion and surface refinement with our Premium Ground Walnut Shell Media. Sized to a consistent 12/20 grit, this media delivers a balanced texture that softens surface irregularities without eroding the underlying material. The natural walnut composition provides a warm tactile feel during handling and polishing tasks, and the 5 lb (2.3 kg) packaging fits common small-shop workflows.

What makes this walnut shell media a versatile choice

• 12/20 grit supports controlled, gentle abrasion for light polishing and light deburring.
• Polishes without substrate damage—ideal for delicate surfaces that require refinement without noticeable wear.
• Non-slip packaging helps keep contents secure during handling and transfer on busy workbenches.
• Low-pressure compatibility recommended at 20–60 psi for soft or sensitive materials, enabling a softer touch where needed.
• Pin cushion filler option that won’t dull needles, offering a crafty, practical application beyond surface finishing.

Practical uses

• Tumbling, vibratory finishing, and light blasting for small parts, plastics, wood, or soft metals.
• Surface refinement in craft and hobby settings where a gentle, natural abrasive is preferred.
• Soft-material polishing in hobbyist workstations and small shops where control matters.
• Filling pin cushions or craft projects where a non-dulling filler is advantageous.

With a compact 5 lb (2.3 kg) bag, this media fits into common workflows without requiring bulky supplies, and its natural composition offers a pleasant tactile experience during use. For best results, evaluate in a sample run to confirm the grit level aligns with your material and desired finish.