2.5″ ALUMINUM BOLT GRINDER

The 2.5" Aluminum Bolt Grinder is a 5-piece herb grinder built for heavy rollers and home-base smokers who want smooth, consistent grind and maximum kief catch. At 2.5 inches (63.5mm) across, it hits that sweet spot between pocketable and big enough to prep multiple bowls or cones in one go. The lightning bolt cutouts aren't just a vibe—they give you real grip when you're grinding sticky flower.

Why You'll Actually Use This Every Day

• Grinds enough for the whole sesh — 2.5 inch (63.5mm) diameter gives you plenty of surface area to prep multiple bowls or a few fat joints at once.
• Smoother pulls, better burn — Consistent grind from the aluminum teeth means your flower packs evenly and doesn't clog up your piece.
• Save every last crystal — 5-piece design with a dedicated kief chamber and scoop keeps all that good stuff from going to waste.
• Built to be dropped — Solid aluminum body can handle getting tossed in a backpack, dropped on the coffee table, and used daily without falling apart.
• Easy to twist, even sticky — The bold lightning bolt design doubles as a natural grip so you're not fighting the lid with resin on your hands.
• Dialed-in for home setups — Large enough to be your main grinder, but compact enough to stash away when company comes over.

Best For

This grinder is made for people who grind a few times a day and don't want to baby their gear. If you're rolling multiple joints or packing bowls for the crew, the 2.5" Aluminum Bolt Grinder has enough capacity to keep up without feeling bulky. It also hits that sweet spot for anyone who has upgraded to a solid daily driver pipe or rig and wants their prep tools to feel just as dialed as their smoke shop gear.

The Basics: How to Use It

Pop the top section off and load your herb into the toothy grinding chamber, then set the lid back on and twist it back and forth until everything feels smooth and resistance drops. Ground material will fall through the holes into the middle chamber, ready for packing or rolling.

Below that, the fine screen lets only the smallest trichomes drop into the bottom kief compartment over time. When you're ready for a booster, crack open that last piece and use the integrated scoop to top a bowl, crown a joint, or stash some for a special occasion. If you like keeping your prep area spotless, parking this on a dab mat helps catch any stray crumbs.

When things start to feel sticky, you can unscrew the sections, tap out loose material, and give it a quick wipe so it keeps spinning smoothly. No need to overcomplicate it—this is a workhorse grinder meant to be used, not babied.

Specifications

Fit & Everyday Use

At 2.5 inches (63.5mm), this grinder is big enough to live on your coffee table as a mainstay, but still compact enough to toss into a bag or stash box without taking over the whole space. It pairs naturally with anything from small hand pipes to larger pieces, and works especially well if you like to pre-grind a bit and keep it ready in jars. If you're the type who keeps different strains on deck, matching each one with its own grinder and a set of glass concentrate jars or stash jars keeps everything organized and fresh.

Care & Cleaning

Let any stuck material dry out a bit first, then gently tap the grinder over a surface to knock loose crumbs from the teeth and screens. For deeper refreshes, wipe metal surfaces with a little isopropyl alcohol, then rinse and dry fully before grinding again so everything spins smoothly. If you're the “super clean station” type, pairing this with some dedicated storage from our storage & packaging lineup keeps smells and residue under control.

FAQ

• Is 2.5" too big to carry around?
  No, 2.5 inches (63.5mm) is very manageable for bags and backpacks. It's a bit large for tight jeans pockets but perfect for anyone who keeps their setup in a small case, stash box, or backpack.
• How many bowls can I grind at once?
  It depends on your bowl size, but the 2.5" chamber easily handles enough herb for several bowls or a couple of packed cones in one grind. If you like to prep ahead, you can grind a full chamber and transfer it to jars or even pre-rolls stored in joint tubes.
• Can I use this for really sticky, fresh flower?
  Yes, the aluminum teeth and the extra grip from the bolt design help a lot with stickier material. If it starts to feel gummed up over time, a quick wipe-down and dry-off will get it moving smoothly again.
• Will the teeth dull or break easily?
  The aluminum build is designed for regular daily use. As long as you're only grinding plant material and not seeds, stems, or anything extra hard, the teeth should hold up for the long run and stay sharp enough for a fluffy grind.
• How do I keep the kief screen from clogging?
  Every so often, empty the middle chamber, then gently tap or brush the screen from the underside to knock loose any buildup. If it gets really caked, a light isopropyl alcohol wipe followed by a full dry will bring it back. Some people like to tap the screen over a sheet of parchment paper so they can collect anything that falls through.
• Is this grinder good for a first "real" setup?
  Definitely. If you're upgrading from a cheap plastic grinder or a tiny travel piece, the 5-piece Bolt Grinder feels like a serious step up. Pair it with a solid piece from our silicone bongs & rigs lineup and you've got a solid, durable home base that's hard to break.
• What's the benefit of 5 pieces vs 3 pieces?
  A 5-piece setup gives you an extra level of separation and kief collection. You get a main grinding chamber, a ground herb catch, a screen, and a dedicated kief chamber below that. Over time, that bottom layer builds up a nice stash that you can scoop out and sprinkle over bowls, or save for those “end-of-the-week” reward seshes. If you like fine-tuning your setup, you can also combine this with other prep tools from our accessories collection.