Drop chances

ItemStage 10Stage 50Stage 100Avg count
Lead25%25%25%3.9
Iron25%25%25%3.82
Bone16%16%16%0.34
Wood13%13%13%4.29
Crushed Sand13%13%13%4.19
Clay Soil13%13%13%4.12
Small Stone13%13%13%4.03
Rotting Flesh11%11%11%0.24
Glue11%11%11%0.17
Short Iron Pipe11%11%11%0.33
Nails11%11%11%0.32
Scrap Polymers10%10%10%0.59
Cloth Fragment10%10%10%0.32
Brass9.8%9.8%9.8%14.54
Old Sham Sandwich6.4%6.4%6.4%0.07
Cement5.0%5.0%5.0%1.51
Cobblestone Rocks4.7%4.7%4.7%1.42
Feather4.1%4.1%4.1%0.13
Old Cash3.2%3.2%3.2%0.24
Duke's Casino Token2.6%2.6%2.6%0.2
plantedHop12.1%2.1%2.1%0.02
plantedPumpkin12.0%2.0%2.0%0.02
plantedYucca12.0%2.0%2.0%0.02
plantedAloe12.0%2.0%2.0%0.02
plantedBlueberry12.0%2.0%2.0%0.02
plantedCorn12.0%2.0%2.0%0.02
plantedCoffee11.9%1.9%1.9%0.02
plantedChrysanthemum11.9%1.9%1.9%0.02
Gunpowder1.9%1.9%1.9%0.24
plantedMushroom11.9%1.9%1.9%0.02
plantedPotato11.9%1.9%1.9%0.02
plantedGoldenrod11.8%1.8%1.8%0.02
Animal Fat1.8%1.8%1.8%0.03
Empty Water Jar1.7%1.7%1.7%0.02
Brass Radiator1.4%1.4%1.4%0.01
Lockpick1.4%1.4%1.4%0.02
Oil1.3%1.3%1.3%0.04
Duct Tape1.3%1.3%1.3%0.02
Spring1.3%1.3%1.3%0.02
Sewing Kit1.3%1.3%1.3%0.02
Electrical Parts1.2%1.2%1.2%0.02
Headlight1.2%1.2%1.2%0.02
Mechanical Parts1.1%1.1%1.1%0.02
Bullet Casing0.86%0.86%0.86%0.2
Steel Arrowhead–0.85%0.85%0.07
Bullet Tip0.84%0.84%0.84%0.19
Buckshot0.74%0.74%0.74%0.17
Steel Spear Parts0.56%0.56%0.56%0.01
Machete Parts0.56%0.56%0.56%0.01
Steel Knuckles Parts0.56%0.56%0.56%0.01
Robotics Parts0.55%0.55%0.55%0.01
Steel Club Parts0.54%0.54%0.54%0.01
Machine Gun Parts0.54%0.54%0.54%0.01
Bow / Crossbow Parts0.54%0.54%0.54%0.01
Shotgun Parts0.53%0.53%0.53%0.01
Baton Parts0.52%0.52%0.52%0.01
Rocket Launcher Parts0.51%0.51%0.51%0.01
Handgun Parts0.51%0.51%0.51%0.01
Rifle Parts0.50%0.50%0.50%0.01
Steel Sledgehammer Parts0.47%0.47%0.47%0.01
Bottle of Acid0.27%0.27%0.27%0
Armored Up0.08%0.08%0.08%0
Forge Ahead0.08%0.08%0.08%0
Tools Digest0.07%0.07%0.07%0
Vehicle Storage Mod Schematic0.11%0.07%0.05%0
Tactical Warfare0.07%0.07%0.07%0
Rifle World0.07%0.07%0.07%0
Scrapping 4 Fun0.07%0.07%0.07%0
Pack Rat Magazine0.07%0.07%0.07%0
Handy Land0.07%0.07%0.07%0
Big Hitters0.07%0.07%0.07%0
Handgun Magazine0.07%0.07%0.07%0
Shotgun Weekly0.07%0.07%0.07%0
Furious Fists0.06%0.06%0.06%0
Southern Farming0.06%0.06%0.06%0
Vehicle Adventures0.06%0.06%0.06%0
Tech Planet0.06%0.06%0.06%0
Explosive Magazine0.06%0.06%0.06%0
Wiring 1010.06%0.06%0.06%0
Bow Hunters0.06%0.06%0.06%0
Vehicle Off Road Headlights Mod Schematic0.08%0.05%0.03%0
Get Hammered0.05%0.05%0.05%0
Sharp Sticks0.05%0.05%0.05%0
Electrical Traps0.05%0.05%0.05%0
Home Cooking Weekly0.05%0.05%0.05%0
Vehicle Reserve Fuel Tank Mod Schematic–0.04%0.05%0
Armor Fittings Mod Schematic0.05%0.03%0.02%0
Weighted Head Mod Schematic0.05%0.02%0.01%0
Iron Arrowhead0.85%––0

Average count per open at loot stage 50. From 40,000 simulated opens per stage; perks that raise loot are not counted.