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Beancan Grenade

An unreliable explosive grenade. Each one has a different length fuse, so you might lose some fingers. Can be used to make satchel charges.

The Beancan Grenade is a thrown explosive in Rust. It deals 115 damage (50 blunt, 50 stab and 15 explosion) within 4.5 m when its fuse of 3.5 to 4 seconds runs out. You craft it at a Level 1 Workbench, and its blueprint costs 40 scrap to research.

About the Beancan Grenade

From full health, breaking a door takes 6 for the Wooden Door, 18 for the Sheet Metal Door, 42 for the Garage Door and 69 for the Armored Door. For a wall, the count is 13 at Wood, 46 at Stone, 112 at Sheet Metal and 223 at Armored. Those counts leave out duds, which add 18% more throws on average. Broken down to raw materials, one costs 120 sulfur, which puts a stone wall at 5,520 sulfur.

Its fuse is not reliable: 15% of throws burn for only 1.2 to 1.3 seconds, and another 13% for 10.5 to 12 seconds. A dud can be picked up and thrown again. The blast only hurts what it has a clear line to, so solid cover between you and it keeps you out of harm. It leaves your hand at up to 13 m/s.

On the tech tree it sits behind 13 other unlocks: Revolver, Pistol Bullet, Flare, Waterpipe Shotgun, Salvaged Cleaver, Mace and 7 more. In all, 26 loot sources drop it; the full list of where it drops gives the chance for each.

Beancan Grenade damage, fuse and blast radius

Anything within 1.5 m of the blast takes the full damage, which fades to nothing at 4.5 m. 15% of them fizzle into a dud instead of going off when the fuse runs out.

115DAMAGE
3.5–4sFUSE
4.5mBLAST RADIUS
15%DUD CHANCE
1SEISMIC LEVEL

How to craft the Beancan Grenade

Crafting one takes 10 seconds at a Level 1 Workbench and costs 60 × Gun Powder and 20 × Metal Fragments.

Gun Powder 60
Metal Fragments 20
Beancan Grenade
Output ×1
Workbench Level 1
Craft time
WB1 10s
WB2 −50% 5s
WB3 −75% 2.5s

How to get the Beancan Grenade blueprint

Research it for 40 scrap, or unlock it on the Level 1 tech tree for 14 Blueprint Fragments in total.

Research table Burn one copy of the item for its blueprint
Item 1 Item
+
Scrap 40 Scrap
→
Blueprint Blueprint
Research cost 40
Tech tree In the level 1 workbench tree
Node Node
+
Blueprint Fragment 1 Blueprint Fragment
→
Unlocked Unlocked
Total to reach 14

Stats checked against the Rust game files on 13 November 2026.