Stone Hammer

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The current stable version is 41.78.16, released 2022-12-12, so information on this page may be inaccurate. Help get this page updated by adding any missing content. [edit]
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Stone Hammer
StoneHammer Model.png
General
Category
Tool
Encumbrance
Moodle Icon HeavyLoad.png
1.2
Equipped
One-handed
Slot attached
Belt
Function
Properties
Max condition
5
Performance
Damage
0.3–0.7
Door damage
2
Range
0.61–1.05
Knockback
0.5
Knockdown
0
Crafting
Ingredients
Technical
Item ID
Base.HammerStone

A stone hammer is a construction tool and weapon that can be made through foraging. It is strictly worse than a hammer as both a weapon and construction tool.

Usage

Construction

Main article: Carpentry

A stone hammer, in combination with wooden planks and nails, can be used as a replacement to a conventional hammer for most carpentry recipes. It can also be used for barricading doors and windows.

A stone hammer will lose durability during construction, whereas a regular hammer will not.

Weapon

A stone hammer can be used as a low tier weapon. Compared to a regular hammer, it is heavier, less damaging, has slightly shorter range, and has a much lower durability.

Breaking doors

The stone hammer is capable of breaking down doors dealing 2 damage per swing. For comparison, an axe deals 35 damage.

Condition

The stone hammer has a maximum condition of 5. Its rate of degradation is influenced by the short blunt and maintenance skills. The chance of losing durability can be simplified to the following formula: 1 in (5 + maintenanceMod × 2). Where "maintenanceMod" is calculated using the short blunt and maintenance skills.
Below is an example of the chance of losing durability at varying levels of the maintenance and short blunt skills.

For how this is calculated, see: Durability
Maintenance skill Weapon skill Durability lower chance
0 0 1/5 (20%)
0 4 1/7 (14%)
0 8 1/9 (11%)
4 0 1/9 (11%)
8 0 1/13 (8%)
4 4 1/11 (9%)
4 8 1/13 (8%)
8 8 1/17 (6%)
10 10 1/19 (5%)

Repairing

A stone hammer cannot be repaired. However it can be crafted from raw materials.

Crafting

Stone hammers are made up of items which are scavenged via foraging.Tree branches, stones and ripped sheets (or twine) are required.

Product XP gained Skill(s) Recipe Ingredient 1 Ingredient 2 Ingredient 3
HammerStone.png
Stone Hammer
0 XP none Branch.png
Tree Branch
(consumed)
Rock.png
Stone
(consumed)

(consumed)

Construction

Barriers

Product XP gained Skill(s) Recipe Ingredient 1 Ingredient 2 Ingredient 3 Ingredient 4
WoodenBarricade Carpentry.gif
Barricade
0.75 Carpentry none Hammer.png
Hammer (tag)
(keep)
One of:
WoodenDoor Carpentry.gif Door
Window Carpentry.gif Window
Plank.png
Plank x1
(consumed)
Nails.png
Nails x2
(consumed)
WoodenStake Carpentry.png
Wooden Stake
1.25 Carpentry Carpentry 5 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x1
(consumed)
Nails.png
Nails x2
(consumed)

BarbedFence Carpentry.png
Barbed Fence
1.25 Carpentry Carpentry 5 Hammer.png
Hammer (tag)
(keep)
BarbedWire.png
Barbed Wire x1
(consumed)


WoodenFence Carpentry.gif
Wooden Fence
1.25 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x3
(consumed)

SandbagWall Carpentry.png
Sandbag Wall
1.25 Carpentry none Hammer.png
Hammer (tag)
(keep)
Sandbag.png
Sand Bag x3
(consumed)


SandbagWall Carpentry.png
Gravel Bag Wall
1.25 Carpentry none Hammer.png
Hammer (tag)
(keep)
Gravelbag.png
Gravel Bag x3
(consumed)


Furniture

Product XP gained Skill(s) Recipe Ingredient 1 Ingredient 2 Ingredient 3 Ingredient 4
WoodenCrate Carpentry.gif
Wooden Crate
0.75 Carpentry Carpentry 3 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x3
(consumed)
Nails.png
Nails x3
(consumed)

BarElement Carpentry.gif
Bar Element
1.25 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)

BarCorner Carpentry.gif
Bar Corner
1.25 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)

SmallTable Carpentry.gif
Small Table
0.75 Carpentry Carpentry 3 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x5
(consumed)
Nails.png
Nails x4
(consumed)

LargeTable Carpentry.gif
Large Table
1.25 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x6
(consumed)
Nails.png
Nails x4
(consumed)

TablewithDrawer Carpentry.gif
Table with Drawer
1.25 Carpentry Carpentry 5 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x5
(consumed)
Nails.png
Nails x4
(consumed)
Drawer.png
Drawer x1
(consumed)
WoodenChair Carpentry.gif
Wooden Chair
0.75 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x5
(consumed)
Nails.png
Nails x4
(consumed)

RainCollectorBarrel1 Carpentry.gif
Rain Collector Barrel
1.25 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)
Garbagebag.png
Garbage Bag x4
(consumed)
RainCollectorBarrel2 Carpentry.gif
Rain Collector Barrel
1.25 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)
Garbagebag.png
Garbage Bag x4
(consumed)
CompostBin.gif
Composter
1.25 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x5
(consumed)
Nails.png
Nails x4
(consumed)

Bookcase Carpentry.gif
Bookcase
1.25 Carpentry Carpentry 5 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x5
(consumed)
Nails.png
Nails x4
(consumed)

SmallBookcase Carpentry.png
Small Bookcase
0.75 Carpentry Carpentry 3 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x3
(consumed)
Nails.png
Nails x3
(consumed)

Shelves Carpentry.png
Shelves
0.75 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x1
(consumed)
Nails.png
Nails x2
(consumed)

DoubleShelves Carpentry.png
Double Shelves
1.25 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

CraftedBed.png
Bed
1.25 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x6
(consumed)
Nails.png
Nails x4
(consumed)
Mattress.png
Mattress x1
(consumed)

Miscellaneous

Product XP gained Skill(s) Recipe Ingredient 1 Ingredient 2 Ingredient 3 Ingredient 4 Ingredient 5
Cairn Carpentry.png
Cairn
0 XP none Hammer.png
Hammer (tag)
(keep)
Stone.png
Stone x6
(consumed)



LamponPillar Carpentry.png
Lamp on Pillar
1.25 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)
Rope.png
Rope x1
(consumed)
Flashlight.png
Flashlight x1
(consumed)
SheetRope Carpentry.png
Sheet Rope
0 XP none Hammer.png
Hammer (tag)
(keep)
One of:
SheetRope.png Sheet Rope
(x1 per story)
Rope.png Rope
(x1 per story)

(consumed)
Nails.png
Nails x1
(consumed)


WoodenCross Carpentry.png
Wooden Cross
1.25 Carpentry none Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x2
(consumed)


WoodenPicket Carpentry.png
Wooden Picket
1.25 Carpentry none Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x1
(consumed)
Sheet Rope.png
Sheet Rope x1
(consumed)


WoodenSign Carpentry.png
Wooden Sign
0.75 Carpentry Carpentry 1 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x3
(consumed)
Nails.png
Nails x3
(consumed)


Structure

Product XP gained Skill(s) Recipe Ingredient 1 Ingredient 2 Ingredient 3 Ingredient 4 Ingredient 5
Wooden Wall Frame
Wooden Wall Frame
1.25 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x2
(consumed)


Wooden Wall Lvl 1
Wooden Wall Lvl 1
2.5 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Wall Lvl 2
Wooden Wall Lvl 2
5 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Wall Lvl 3
Wooden Wall Lvl 3
7.5 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Wall Lvl 2
Upgrade Wooden Wall From Lvl 1 to Lvl 2
2.5 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Wooden Wall Lvl 1
Wooden Wall Lvl 1
Plank.png
Plank x1
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Wall Lvl 3
Upgrade Wooden Wall From Lvl 1 to Lvl 3
5 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Wooden Wall Lvl 1
Wooden Wall Lvl 1
Plank.png
Plank x2
(consumed)
Nails.png
Nails x8
(consumed)

Wooden Wall Lvl 3
Upgrade Wooden Wall From Lvl 2 to Lvl 3
2.5 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Wooden Wall Lvl 2
Wooden Wall Lvl 2
Plank.png
Plank x1
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Window Lvl 1
Wooden Window Lvl 1
2.5 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Window Lvl 2
Wooden Window Lvl 2
5 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Window Lvl 3
Wooden Window Lvl 3
7.5 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x2
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Window Lvl 2
Upgrade Wooden Window From Lvl 1 to Lvl 2
2.5 Carpentry Carpentry 4 Hammer.png
Hammer (tag)
(keep)
Wooden Window Lvl 1
Wooden Window Lvl 1
Plank.png
Plank x1
(consumed)
Nails.png
Nails x4
(consumed)

Wooden Window Lvl 3
Upgrade Wooden Window From Lvl 1 to Lvl 3
5 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Wooden Window Lvl 1
Wooden Window Lvl 1
Plank.png
Plank x2
(consumed)
Nails.png
Nails x8
(consumed)

Wooden Window Lvl 3
Upgrade Wooden Window From Lvl 2 to Lvl 3
2.5 Carpentry Carpentry 7 Hammer.png
Hammer (tag)
(keep)
Wooden Window Lvl 2
Wooden Window Lvl 2
Plank.png
Plank x1
(consumed)
Nails.png
Nails x4
(consumed)

Doorframe Carpentry.gif
Wooden Doorframe
5 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)


Wooden pillar.png
Wooden Pillar
0.75 Carpentry Carpentry 2 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)


LogWall Carpentry.png
Log Wall
1.25 Carpentry none Hammer.png
Hammer (tag)
(keep)
Logs.png
Log x4
(consumed)
One of:
Ripped Sheets.png Ripped Sheets x4
Twine.png Twine x4
Rope.png Rope x2

(consumed)


WoodenDoor Carpentry.gif
Door
0.75 Carpentry Carpentry 3 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x4
(consumed)
Nails.png
Nails x4
(consumed)
Doorhinge.png
Door Hinge x2
(consumed)
DoorKnob.png
Doorknob x1
(consumed)
DoubleWoodenDoor Carpentry.png
Double Wooden Door
6 Carpentry Carpentry 6 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x12
(consumed)
Nails.png
Nails x12
(consumed)
Doorhinge.png
Door Hinge x4
(consumed)
DoorKnob.png
Doorknob x2
(consumed)
Stairs Carpentry.png
Wood Stairs
1.25 Carpentry Carpentry 6 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x15
(consumed)
Nails.png
Nails x15
(consumed)


WoodFloor Carpentry.gif
Wooden Floor
0.75 Carpentry Carpentry 1 Hammer.png
Hammer (tag)
(keep)
Plank.png
Plank x1
(consumed)
Nails.png
Nails x1
(consumed)


Code

Code icon.png Code snippet! This section contains source code from Project ZomboidShow / Hide

Item

Source: ProjectZomboid\media\scripts\items_weapons.txt

Retrieved: Build 41.78.16
item HammerStone
    {
        DisplayCategory = ToolWeapon,
        MaxRange	=	1.05,
        WeaponSprite	=	StoneHammer,
        MinAngle	=	0.65,
        Type	=	Weapon,
        MinimumSwingTime	=	3,
        KnockBackOnNoDeath	=	TRUE,
        SwingAmountBeforeImpact	=	0.02,
        Categories	=	SmallBlunt,
        ConditionLowerChanceOneIn	=	5,
        Weight	=	1.2,
        SplatNumber	=	1,
        PushBackMod	=	0.5,
        SubCategory	=	Swinging,
        ConditionMax	=	5,
        MaxHitCount	=	1,
        DoorDamage	=	2,
        CanBarricade	=	TRUE,
        SwingAnim	=	Bat,
        DisplayName	=	Stone Hammer,
        MinRange	=	0.61,
        SwingTime	=	3,
        KnockdownMod	=	0,
        SplatBloodOnNoDeath	=	TRUE,
        Icon	=	HammerStone,
        RunAnim	=	Run_Weapon2,
        IdleAnim	=	Idle_Weapon2,
        BreakSound  =   StoneHammerBreak,
        DoorHitSound = StoneHammerHit,
		HitSound = StoneHammerHit,
		HitFloorSound = StoneHammerHit,
		SwingSound = StoneHammerSwing,
        TreeDamage  =   0,
        CriticalChance	=	15,
        CritDmgMultiplier = 3,
        MinDamage	=	0.3,
        MaxDamage	=	0.7,
        BaseSpeed = 1,
    	WeaponLength = 0.23,
    	AttachmentType = Hammer,
        Tags = Hammer,
      }

Building

Code showing the stone hammer is to be damaged when used in construction.
Source: ProjectZomboid\media\lua\client\BuildingObjects\TimedActions\ISBuildMenu.lua

Retrieved: Build 41.78.16
-- reduce the condition of the hammer if it's a stone hammer
    local hammer = self.character:getPrimaryHandItem()
    if hammer and hammer:getType() == "HammerStone" and ZombRand(hammer:getConditionLowerChance()) == 0 then
        hammer:setCondition(hammer:getCondition() - 1)
        ISWorldObjectContextMenu.checkWeapon(self.character);
    end

See also