Metal herb grinders
The metal herb grinder,machined properly.
Most metal herb grinders are a die-cast shell with soft teeth and a lid that drifts out of line inside a month. Ours are cut from solid aircraft-grade aluminium on a CNC machine — a premium herb grinder that holds its tolerance for years, because a grinder is a tool someone reaches for every single day.
How a grinder actually works
Two milled plates face each other, each carrying a set of teeth offset so they pass without touching. Material sits between them and a half-turn shears it evenly rather than crushing it. The whole thing lives or dies on that tolerance: teeth cut too shallow tear instead of slice, and a body machined loosely lets the plates wander until they bind.
A magnet in the lid holds the halves in register while you turn them, which is why a good grinder keeps its alignment for years and a cheap one starts grinding against itself. Everything past that — extra chambers, screens, catch trays — is about what happens to the material after it has been cut.
2-part or 4-piece herb grinder
The only real decision. The 2-part is a compact everyday carry. The 4-piece herb grinder adds a stainless steel kief-catcher screen and a pollen chamber underneath — a genuine 4 piece grinder with kief catcher — so fine material from the herb grinder kief catcher collects separately rather than being lost in the teeth.
Two chambers
2-Part Premium Grinder
- Grinding teeth and a single catch chamber
- Magnetic lid, diamond-cut teeth
- Aircraft-grade aluminium body
- Eight anodized colours
Best for: Everyday carry. Fewer parts, less to clean, the shape most people picture when they think of a grinder.
$50.00 single·$6.75 at 1,000
Four chambers
4-Part Premium Grinder
- Grinding teeth, catch chamber, kief-catcher screen and pollen well
- High-micron stainless steel screen with kief catcher tray
- Scraper included
- Aircraft-grade aluminium body
Best for: Anyone who wants the fine material separated by the kief catcher and kept rather than lost in the teeth.
$75.00 single·$9.50 at 1,000
What you are actually paying for
The size. A large herb grinder — 63 mm diameter and above — moves more material per turn and handles dense product without packing. The compact 2-part suits a pocket; the large 4-piece grinder with kief catcher suits a full session. Both are machined to the same tolerance; size is purely a preference.
The material. Aircraft-grade aluminium is stiff enough to hold a machined edge. Die-cast alloy and plastic round off, and once the teeth are dull the grinder is finished — there is no sharpening it.
The teeth. Diamond-cut teeth are milled, not moulded, so every one sits at the same height and the load spreads evenly across the plate.
The finish. Anodizing hardens the surface rather than sitting on top of it like paint, which is why an anodized body keeps its colour through years of pocket wear.
The screen. On 4-piece herb grinders, a high-micron stainless steel screen decides what falls through to the kief catcher tray below. Woven stainless steel holds its shape; cheap mesh stretches and stops sorting anything at all.
Then put your nameright on the lid.
We do not sell blank stock. Every grinder we machine goes out carrying somebody's brand — 3D metal engraving in gold, silver, black or rose gold, laser engraving, full-colour UV printing or polycarbonate stickers. Dispensaries, record labels, podcasts and artists all order the same bodies; only the lid changes.
There is no minimum order, so ten pieces and ten thousand get the same machining and the same finishes. You see a free digital proof before anything is cut — see how that compares to other custom grinder suppliers.