BIGFUN! Large Grinder


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The BIGFUN! Large Grinder is a 4-piece 2.5-inch (63mm) herb grinder CNC-milled from premium 6061 aluminum, featuring sharp diamond-shaped teeth for a consistent and efficient grind, a mesh screen for pollen sifting, a kief collection chamber, and a durable anodized finish, produced under the BIGFUN! sub-brand by MJ Arsenal.

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Description

The BIGFUN! Large Grinder is the 2.5-inch flagship model in the BIGFUN! grinder lineup, which is produced by MJ Arsenal — a brand recognized for precision-crafted glass and metal smoking accessories. BIGFUN! grinders are CNC-milled from 6061 aluminum, the same aircraft-grade alloy used in aerospace applications, which provides an excellent balance of strength, machinability, and weight. CNC milling ensures tight tolerances in all chamber and tooth dimensions, resulting in consistent, smooth operation and accurate mesh screen sizing. The diamond-shaped teeth are profiled to cut through herb with multiple cutting edges per tooth, producing an even, efficient grind across a full range of herb densities. The mesh screen sifts fine trichome particles from the storage compartment into the kief collection chamber below, providing a passive kief accumulation system with every grinding session. The durable anodized finish resists surface scratching and maintains the grinder’s appearance over extended daily use. At 2.5 inches (63mm), the Large Grinder provides a generous daily-use capacity for personal sessions and group use. BIGFUN! is available in multiple colors.

SPECIFICATIONS

Attribute Value
Brand BIGFUN! (by MJ Arsenal)
Model Large Grinder
Pieces 4-piece
Diameter 2.5 inches (63mm)
Material 6061 aluminum, CNC-milled
Tooth Design Sharp diamond-shaped teeth
Screen Mesh pollen screen
Kief Catcher Yes
Finish Durable anodized
Colors Multiple available
Also Known As BIGFUN large grinder, BIGFUN 2.5, MJ Arsenal BIGFUN, bigfun grinder

BIGFUN! Large Grinder: FAQs

What is the BIGFUN! brand and who makes it?

BIGFUN! is a grinder sub-brand produced by MJ Arsenal, a well-regarded cannabis accessories manufacturer known primarily for their precision-machined glass dab rigs, water pipes, and metal accessories. MJ Arsenal launched BIGFUN! to offer a dedicated grinder line that applies the same CNC machining precision and 6061 aluminum quality to herb grinding. The BIGFUN! name reflects the playful, enthusiast-focused marketing approach while the underlying construction reflects MJ Arsenal manufacturing quality. BIGFUN! grinders are available in Small (around 2 inches), Medium (2.2 inches), Large (2.5 inches), and XL (3 inches).

Why is 6061 aluminum a premium grinder material?

6061 aluminum is one of the most widely used structural aluminum alloys, known for its high strength-to-weight ratio, excellent machinability, and corrosion resistance. In CNC machining applications, 6061 alloy allows for tight dimensional tolerances, meaning the teeth, chamber walls, and screen seat can be machined to precise specifications that ensure smooth operation and consistent fit across all components. The material is also used in aerospace and automotive applications, which is why it is commonly marketed as aircraft-grade. For herb grinders, 6061 aluminum provides durability, light weight, and a surface that finishes well with anodization.

How does the BIGFUN! Large compare to the XL version?

The BIGFUN! Large is 2.5 inches (63mm) in diameter, while the XL is 3 inches in diameter. Both use the same 6061 aluminum CNC-milling, diamond-shaped teeth, mesh pollen screen, kief catcher, and anodized finish. The XL provides a larger grinding surface area and more storage capacity per load, suited for users who process larger quantities at once or grind for groups regularly. The Large is the standard full-size daily-use grinder that balances capacity with portability for individual and small group sessions.

Is the BIGFUN! Large good for daily use?

Yes. The 2.5-inch BIGFUN! Large Grinder is designed as a daily-use workhorse. The 6061 aluminum construction and anodized finish provide durability that holds up to daily handling and regular cleaning cycles. The diamond-shaped teeth maintain their cutting efficiency over extended use periods due to the hardness of the machined aluminum. The mesh screen and kief catcher provide passive kief accumulation without any user effort, building a supply for enhanced sessions over time. BIGFUN! describes the Large as the go-to daily driver for sessions both personal and shared.

What colors is the BIGFUN! Large Grinder available in?

The BIGFUN! Large Grinder is available in multiple anodized color options. Specific color availability at Haze Smoke Shop depends on current inventory. All colors use the same 6061 aluminum CNC-milled construction, diamond-shaped teeth, mesh screen, kief catcher, and anodized finish. Color selection is purely aesthetic.

How do I clean the BIGFUN! Large Grinder?

Harvest accumulated kief from the bottom chamber with a scraper or small brush before cleaning. Separate all four pieces. Soak the 6061 aluminum components and mesh screen in isopropyl alcohol for 20 to 30 minutes to dissolve resin from the diamond-shaped teeth and chamber walls. Brush away dissolved residue, rinse with warm water, and dry completely before reassembling. The anodized finish is compatible with isopropyl alcohol and will not be degraded by regular cleaning soaks. The mesh screen can be scrubbed with a small brush while detached.

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