Your brand,machined in metal
Put your own logo on the lid — 3D engraved in gold, silver or rose gold, with no minimum order.
Start CustomizingThe 4-Piece Build
Precision in every layer.
Keep scrolling to see it up close.
01
Aircraft-grade aluminium
CNC-machined body with anodized finish that never chips or fades.
02
Diamond-cut teeth
Razor-sharp CNC teeth engineered for an effortless, fluffy grind.
03
High-micron steel screen
Stainless mesh sifts fine pollen into the magnetic catch tray.
Choose from our exclusive6 custom logo options
Six ways to put your logo on a metal herb grinder — every one machined and finished in-house.
How it works
From your logo to machined metal
A simple, proof-first process built for brands and dispensaries — no minimum order, no surprises.
Step 1
Send your logo
Share your artwork and quantity. Any format — PNG, SVG, PDF, AI or EPS.
Step 2
Free digital proof
We reply with pricing and a free digital proof, usually within one business day.
Step 3
Machined in-house
On approval we CNC-machine your grinders from aircraft-grade aluminium — typically 3–4 weeks.
Step 4
Shipped worldwide
Your finished, brand-ready grinders ship to your door, anywhere.
- No minimum order — start with one
- Free digital proof before we machine
- Aircraft-grade aluminium, CNC-cut in-house
- Wholesale & tiered volume pricing
- 3D engraving, laser, UV print or sticker
- Ships worldwide
Dream. Design. Grind.
Four reasons brands machine their merch with GMI.
Custom made product
All grinders are custom made to order on fully automated CNC machines with rare earth magnet and high micron stainless steel screens.
Logo solutions tailored to your brand
Choose from beautifully crafted custom logos to perfectly represent your brand. Stand out with a logo that speaks volumes.
Premium aircraft grade aluminium
Achieve the perfect grind every time with our premium metal herb grinders. CNC-machined aluminium, expertly designed for superior performance and durability.
Amazing bulk prices
Get the best deals on bulk and wholesale grinder orders from us. Quality products at unbeatable prices to help your business thrive.
Beyond grinders
Your brand on our other custom products!
Pair with wholesale grinders for a complete branded set.
Clients we have worked with
Hover a logo to slide to the grinder we machined for them.Tap a logo to slide to the grinder we machined for them.
What clients say
Brands that grind with GMI
300+ brands trust GMI with their merch — and 70% come back to reorder.
The custom grinders exceeded our expectations. The finish, build quality, and attention to detail perfectly reflected our brand. Our customers loved them, and the entire process—from design to delivery—was seamless.
JacanaCannabis brandWe wanted merchandise that fans would genuinely value, not just another promotional item. The custom grinders became one of our standout products, with exceptional quality and premium branding that matched our identity perfectly.
High Focus RecordsRecord labelProfessional service, outstanding communication, and a product that truly stands out. The custom branding looked incredible, and the final result helped elevate our merchandise collection. We'd happily work together again.
HarmonyDispensaryFAQ
Questions, answered
- There's no minimum order. Start with a single grinder and scale up as your brand grows.
- Yes. Every order gets a free digital proof, usually within one business day, and we only machine once you approve it.
- 3D metal engraving in gold, silver or rose gold, precision laser engraving, full-colour UV printing, or glossy polycarbonate stickers.
- Every GMI grinder is metal — CNC-machined from solid aircraft-grade aluminium, with diamond-cut milled teeth, a rare-earth magnet and a high-micron steel screen. No cast pot-metal, no plastic gears. See the herb grinders
- The 2-part is a straightforward grind-and-go. The 4-part — a four-piece grinder — adds a mesh screen and a kief-catcher chamber underneath, so the pollen collects for you to press or sprinkle later.
- Yes. Alongside the machined metal grinders we make clear printed-acrylic grinders — lighter, lower cost per unit and a full-colour canvas for artwork, which makes them a strong pick for events and giveaways. See wholesale acrylic pricing
- Yes — choose from anodized body colours and preview your logo in every finish live in the customizer.
- Wholesale, tiered volume pricing — the more you order, the lower the per-unit price. Send your logo and quantity and we'll reply with a quote. See the wholesale pricing tiers
- Yes — laser-engraved hardwood rolling trays, branded to match your grinders, plus dab tools, joint tubes and more in the wider custom range. Explore custom products
- Yes, we ship finished, brand-ready grinders worldwide.
- Upload your logo in the customizer or request a quote — we'll send pricing and a free digital proof, usually within one business day.
Let's put your brandout there
Tell us about your brand and how many you need. We'll reply with pricing and a free digital proof — usually within one business day.
- No minimum order — start small, scale up
- Free digital proof before we machine
- Aircraft-grade aluminium, CNC-cut in-house
- Wholesale pricing, ships worldwide
Prefer email?
sales@gmigrinders.com