BIGFUN! Medium Grinder

BIGFUN offers the Medium size in both a 4-piece and a 2-piece configuration. The 4-piece version includes a mesh pollen screen and a dedicated kief catcher at the base, allowing users to collect concentrated trichomes over multiple sessions. The 2-piece version is a simpler two-chamber design without a screen, keeping all ground herb and pollen together in the lower chamber. Both use the same 2.2-inch 6061 aluminum body and diamond-shaped teeth. Users who want kief collection should choose the 4-piece. Users who prefer a simpler, lower-maintenance design and want all their material together should choose the 2-piece.

BIGFUN positions the Medium at 2.2 inches as the daily driver because it provides the best balance of grinding capacity and portability for most solo users. It holds enough herb for one to three sessions per load, reducing how often the grinder needs to be refilled during a typical day of use. It fits in a standard pants pocket without creating visible bulk or adding meaningful weight. The 6061 aluminum construction and CNC-milled teeth maintain consistent performance across repeated daily grinding cycles without degradation. For users who do not need the extra capacity of the Large or the absolute compactness of the Small, the Medium covers the widest range of everyday use scenarios.

6061 aluminum is an alloy grade used extensively in aerospace and precision manufacturing applications. BIGFUN chose it for their grinder lineup because it machines cleanly and precisely via CNC milling, holds tight tolerances for consistent tooth geometry and thread fit, and resists corrosion under normal use conditions. The alloy is also lightweight, which makes the grinder comfortable to hold and carry. The combination of CNC milling from 6061 stock means each BIGFUN grinder has a consistent, repeatable internal shape that maintains smooth operation over time. The anodized finish applied after milling further hardens the surface and seals it against scratches and oxidation.

Yes. All 4-piece BIGFUN grinders include a mesh pollen screen and a dedicated kief collection chamber at the base. As herb is ground and stored over multiple sessions, the finest trichome-rich particles pass through the mesh screen and accumulate in the bottom chamber. The center post with magnet is positioned on the lower set of teeth in BIGFUN grinders rather than the lid, which allows the lid to be fully open and accessible for loading whole nugs. A scraper tool is useful for collecting kief from the chamber walls when enough has built up to harvest. The pollen screen mesh sifts only the finest particles, keeping larger plant material in the main storage chamber.

BIGFUN offers four grinder sizes across their CNC-milled 6061 aluminum lineup. The Small at 2 inches is the most compact and travel-friendly option. The Medium at 2.2 inches is the daily driver size, balancing portability and capacity for most users. The Large at 2.5 inches provides more grinding surface and storage for users who grind larger quantities or share. The XL at 3 inches is the largest, suited for group sessions or users who prefer to grind in bulk. All four sizes use the same diamond-shaped teeth design, anodized finish, and mesh pollen screen construction. The 2-piece Medium variant is also available for users who want a simpler design without kief collection.

After each session, use a small stiff brush to clear herb debris from the diamond-shaped teeth and the holes in the grinding plate. To deep clean, disassemble all four pieces and soak the aluminum components in isopropyl alcohol for 20 to 30 minutes to dissolve resin buildup. Brush away loosened residue, rinse thoroughly with warm water, and allow all pieces to dry completely before reassembling. The anodized finish is alcohol-resistant. For the mesh pollen screen, soak rather than pressing on the mesh directly to avoid distorting it. Use the scraper tool to harvest any accumulated kief from the pollen chamber before soaking. Tap the grinder gently before disassembly to encourage remaining herb to fall through the screen.