Workbench Level 3 Rust: Cost, Advanced Fragments, Tech Tree & Unlocks (2026)

Rust crafting guide, 2026

The Workbench Level 3, often called the tier 3 workbench, is the last bench in Rust and the one every group is racing toward. It is where the AK, the bolt action rifle, the MP5A4, C4, rockets, armored doors and the metal facemask are crafted, and it is gated behind the rarest crafting item in the game: the Advanced Blueprint Fragment.

This Workbench Level 3 Rust guide covers the exact 2026 craft cost, every place to find Advanced Blueprint Fragments, how it compares with the Workbench 1 and 2, what the Workbench 3 tech tree costs in scrap, what you can craft at it, how much it takes to destroy, and how to protect it once it is down.

TL;DR A Workbench Level 3 costs 1,000 metal fragments, 100 high quality metal and 5 Advanced Blueprint Fragments, crafted next to a Workbench 2 in 60 seconds. There has been no scrap in the recipe since November 2025. Advanced Fragments come from red card rooms, oil rigs and locked crates (2 guaranteed in every hackable crate), or you can trade in 20 Basic Fragments for 1 Advanced. It has 750 HP (3 C4 or 6 rockets) and unlocks the Workbench 3 tech tree, about 2,300 scrap for every node.
Workbench Level 3 Rust at a glance: crafted at a Workbench 2 for 1,000 metal fragments, 100 high quality metal and 5 Advanced Blueprint Fragments, 60 second craft, about 2,300 scrap for the full Workbench 3 tech tree, 750 HP and 3 C4 to destroy
The Workbench Level 3 in one picture.
1,000metal fragments
100high quality metal
5Advanced Blueprint Fragments
0scrap since Nov 2025

What Is the Workbench Level 3 in Rust?

The Workbench Level 3 is the highest of the three numbered workbenches. You place it on a foundation or floor like any deployable, and while you stand near it you can craft every recipe in the game that needs a workbench. It also opens the smallest but most valuable branch of the tech tree, where the endgame guns, armor and explosives live.

Facepunch describes it as the bench that lets you craft items requiring workbench level 3. In practice that means the AK, the bolt action rifle, the MP5A4, C4, rockets, explosive ammo, the armored door and the metal facemask.

A Workbench 3 also counts as a Workbench 1 and 2. Once it is down you do not need the lower benches for crafting, and every lower tier recipe crafts much faster at it.

Workbench Level 3 Stats

StatWorkbench Level 3
Craft cost1,000 Metal Fragments, 100 High Quality Metal, 5 Advanced Blueprint Fragments
Crafted atWorkbench Level 2
Craft time60 seconds
BlueprintKnown by default, no research needed
Health750 HP
Destroy cost3 C4 or 6 rockets
Tech treeWorkbench 3 tree, about 27 nodes and 2,300 scrap in total
Recycle (monument recycler)600 metal fragments, 60 HQM, 3 Advanced Blueprint Fragments
Recycle (safe zone recycler)400 metal fragments, 40 HQM, 2 Advanced Blueprint Fragments
Stack size1
Shortname / Item IDworkbench3 / -1607980696

Every other shortname and ID is in our full Rust item IDs list.

How to Craft a Workbench Level 3

How to craft a Workbench Level 3 in Rust: 1,000 metal fragments, 100 high quality metal and 5 Advanced Blueprint Fragments at a Workbench 2, 60 second craft, and no scrap since November 2025 (it was 1,250 scrap, then 500 in the Meta Shift)
No scrap, but the fragments are hard to get.
  1. Have a Workbench 2. You cannot skip it. Our Workbench Level 2 guide covers its 500 frags, 20 HQM and 5 Basic Blueprint Fragments.
  2. Gather the metal. 1,000 metal fragments is about two metal nodes. The 100 high quality metal is the slower part: farm HQM nodes, recycle components, or run a quarry.
  3. Get 5 Advanced Blueprint Fragments. This is the real gate. See the next section for every source.
  4. Craft it at the Workbench 2. The craft takes 60 seconds. Place it somewhere deep in the base before you do anything else.

How the recipe changed. For years the Workbench 3 cost 1,000 metal fragments, 100 HQM and 1,250 scrap. The Meta Shift update on October 2, 2025 added 5 Advanced Blueprint Fragments and cut the scrap to 500. The Pivot or Die update on November 6, 2025 then removed scrap from all three workbench recipes. Any guide that still lists 1,250 or 500 scrap is out of date.

Where to Find Advanced Blueprint Fragments

Where to find Advanced Blueprint Fragments in Rust: red card rooms at Launch Site, Military Tunnels, Missile Silo and Underwater Labs, the oil rigs, 2 guaranteed in every hackable locked crate, a chance in elite crates, or 20 Basic Blueprint Fragments traded for 1 Advanced
Locked crates are the most reliable source.

Advanced Blueprint Fragments only come from the top tier of loot. These are the sources worth planning around:

  • Hackable locked crates: 2 Advanced Fragments, guaranteed, in every locked crate. That covers the crates at Small and Large Oil Rig, Cargo Ship, Chinook drops and the locked crates that spawn at monuments.
  • Red card rooms: the elite loot rooms at Launch Site, Military Tunnels, the Missile Silo (a full red card puzzle since the Meta Shift) and red door Underwater Labs.
  • Elite crates: a chance of a pair of Advanced Fragments, so every elite crate you open is worth checking.
  • Trading up: 20 Basic Blueprint Fragments convert into 1 Advanced Fragment. It is slow, but spare Basics from green and blue card rooms are never wasted.

The usual route is a blue card run that ends with a red keycard, then a red card room or a locked crate. Three locked crates give you 6 fragments, one more than the bench needs. Our Rust blueprints guide covers both fragment types, and the Rust monuments guide lists every puzzle room.

Workbench 1 vs Workbench 2 vs Workbench 3

Rust workbench tiers compared: Workbench 1 is 500 wood and 100 metal fragments with no fragments, Workbench 2 is 500 metal fragments, 20 HQM and 5 Basic Blueprint Fragments, Workbench 3 is 1,000 metal fragments, 100 HQM and 5 Advanced Blueprint Fragments
The top bench costs the most metal and the rarest fragment.
BenchCraft costFragmentsTech treeKey unlocks
Workbench 1500 Wood, 100 Metal FragmentsNone~3,000 scrap, about 125 nodesStarter guns, tools, satchels, research table
Workbench 2500 Metal Fragments, 20 HQM5 Basic~5,520 scrap, about 133 nodesSAR, Thompson, garage door, auto turret, large furnace
Workbench 31,000 Metal Fragments, 100 HQM5 Advanced~2,300 scrap, about 27 nodesAK, bolt action rifle, MP5A4, C4, rockets, armored doors, metal facemask

The Workbench 3 tree is the smallest of the three, but almost every node on it is a very rare item at 120 scrap. That is why most groups research what they loot and only tech tree one or two key paths.

Workbench 3 Tech Tree Costs

Rust Workbench 3 tech tree path costs from an empty tree: metal facemask 540 scrap, C4 720, AK 780 across 9 nodes, bolt action rifle 900, the full tree about 2,300 scrap, or 120 scrap to research a looted item
Research what you loot, tech tree what you need.

Since November 2025, each tech tree node costs the same as researching it: 15, 30, 60 or 120 scrap by rarity, and most Workbench 3 nodes sit at 120. You can only unlock a node next to one you already own, so the real price is the whole path. These are the totals from an empty Workbench 3 tree:

TargetPath cost from emptyWhy you want it
Metal facemask540 scrapBest head armor
C4720 scrapRaiding
AK780 scrap (9 nodes)The best craftable rifle
Bolt action rifle900 scrapThe craftable sniper
Whole Workbench 3 treeabout 2,300 scrapRarely worth it

Nodes you already own on the way are not charged again, so the second path is always cheaper than the first. If you already have the item from loot, a research table costs only 120 scrap for that blueprint. Short on scrap? See our Rust scrap guide.

What You Can Craft at a Workbench Level 3

What you craft at a Workbench Level 3 in Rust: AK, bolt action rifle, MP5A4, C4, rockets, explosive 5.56 ammo, armored door and metal facemask
The endgame kit.

Once you have the blueprints, these are the Workbench 3 crafts that decide fights and raids:

Crafting speed. A higher bench crafts lower tier items faster, up to about 75 percent faster for Workbench 1 recipes at a Workbench 3. Bulk ammo, meds and building parts are much quicker here than anywhere else in your base.

How Much to Destroy and Recycle a Workbench Level 3

Workbench Level 3 raid and recycle numbers in Rust: 750 HP, 3 C4 or 6 rockets to destroy, recycles into 600 metal fragments, 60 HQM and 3 Advanced Blueprint Fragments at a monument recycler
Losing it costs you the fragments too.

A Workbench 3 has 750 HP. That is 3 C4 or 6 rockets, so a raiding group that gets inside will usually take it out. Losing it hurts more than the metal, because the 5 Advanced Fragments are gone with it.

Recycling a Workbench 3 at a monument recycler returns 600 metal fragments, 60 HQM and 3 Advanced Blueprint Fragments. A safe zone recycler returns only 400 frags, 40 HQM and 2 fragments. Recycling a looted bench is a decent head start on your own, but never recycle the one you rely on.

The May 2026 workbench upgrades help here: the Reinforced upgrade makes a bench much tougher against explosives, Salvage takes 20% off tech tree unlocks, and Prototype lets you unlock any node directly for double its price, which is handy on a tree where you only want one or two items.

Workbench Level 3 Tips

Workbench Level 3 tips in Rust: hit locked crates for 2 Advanced fragments each, save 100 HQM, put the bench behind armored doors, research looted AKs instead of tech treeing, and keep spare Basic fragments to trade up
Get it, hide it, use it.
  • Plan around locked crates. Two locked crates or one oil rig crate run gets you most of the way, and a Chinook crate is the same 2 fragments.
  • Save 100 HQM early. HQM disappears into tools and armor. Put 100 aside the moment you have your Workbench 2.
  • Hide it behind your best doors. At 750 HP and 3 C4 it is an easy target. Place it deep inside behind armored doors and your tool cupboard.
  • Research before you tech tree. A looted AK is 120 scrap to research. The tech tree path is 780.
  • Keep spare Basic Fragments. 20 of them trade up into 1 Advanced Fragment if you are one short.
  • Watch the wipe. The bench, your blueprints and your fragments all reset on a blueprint wipe. Check when the next force wipe is before you spend big late in the month, and use the raid calculator to plan how you protect it.

Workbench Level 3 FAQ

How much does a Workbench Level 3 cost in Rust?

A Workbench Level 3 costs 1,000 metal fragments, 100 high quality metal and 5 Advanced Blueprint Fragments. It is crafted at a Workbench Level 2 and takes 60 seconds.

Does the Workbench Level 3 still cost scrap?

No. Scrap was removed from all workbench recipes in the Pivot or Die update on November 6, 2025. Before that it cost 1,250 scrap, then 500 scrap after the Meta Shift update in October 2025.

Where do you get Advanced Blueprint Fragments in Rust?

Every hackable locked crate has 2 Advanced Blueprint Fragments, including the crates at the oil rigs, Cargo Ship and Chinook drops. They also come from red card rooms at Launch Site, Military Tunnels, the Missile Silo and red door Underwater Labs, from elite crates by chance, and from trading 20 Basic Blueprint Fragments for 1 Advanced.

How much HP does a Workbench Level 3 have?

A Workbench Level 3 has 750 HP. It takes 3 C4 or 6 rockets to destroy.

How much scrap is the Workbench 3 tech tree?

Unlocking every node on the Workbench 3 tech tree costs about 2,300 scrap across roughly 27 nodes. Most nodes cost 120 scrap. The AK path from an empty tree is 780 scrap and the C4 path is about 720.

Do you need a Workbench 2 to make a Workbench 3?

Yes. The Workbench Level 3 is crafted while standing at a Workbench Level 2. After that, the Workbench 3 covers every Workbench 1 and 2 recipe too.

What do you get from recycling a Workbench Level 3?

At a monument recycler a Workbench Level 3 returns 600 metal fragments, 60 high quality metal and 3 Advanced Blueprint Fragments. A safe zone recycler returns 400 metal fragments, 40 HQM and 2 Advanced Blueprint Fragments.

What is the Workbench Level 3 item ID?

The Workbench Level 3 shortname is workbench3 and its item ID is -1607980696.

Sources and Further Reading