Drop chances

ItemStage 10Stage 50Stage 100Avg count
Lead25%25%25%3.82
Iron25%25%25%3.8
Bone16%16%16%0.33
Crushed Sand13%13%13%4.09
Clay Soil13%13%13%4.08
Small Stone13%13%13%4.05
Wood13%13%13%4.03
Rotting Flesh11%11%11%0.23
Nails11%11%11%0.34
Cloth Fragment11%11%11%0.33
Scrap Polymers11%11%11%0.61
Glue11%11%11%0.16
Short Iron Pipe10%10%10%0.32
Brass9.8%9.8%9.8%14.52
Old Sham Sandwich6.4%6.4%6.4%0.07
Cobblestone Rocks4.8%4.8%4.8%1.47
Cement4.8%4.8%4.8%1.47
Feather4.2%4.2%4.2%0.13
Old Cash3.1%3.1%3.1%0.24
Duke's Casino Token2.4%2.4%2.4%0.18
Gunpowder2.1%2.1%2.1%0.27
plantedPotato12.1%2.1%2.1%0.02
plantedYucca12.1%2.1%2.1%0.02
plantedBlueberry12.0%2.0%2.0%0.02
plantedMushroom12.0%2.0%2.0%0.02
plantedPumpkin12.0%2.0%2.0%0.02
plantedGoldenrod12.0%2.0%2.0%0.02
plantedHop12.0%2.0%2.0%0.02
plantedAloe12.0%2.0%2.0%0.02
plantedChrysanthemum12.0%2.0%2.0%0.02
plantedCorn11.9%1.9%1.9%0.02
plantedCoffee11.9%1.9%1.9%0.02
Animal Fat1.7%1.7%1.7%0.03
Empty Water Jar1.6%1.6%1.6%0.02
Brass Radiator1.4%1.4%1.4%0.01
Lockpick1.4%1.4%1.4%0.02
Spring1.3%1.3%1.3%0.02
Duct Tape1.3%1.3%1.3%0.02
Oil1.2%1.2%1.2%0.04
Electrical Parts1.2%1.2%1.2%0.02
Headlight1.2%1.2%1.2%0.02
Sewing Kit1.2%1.2%1.2%0.02
Mechanical Parts1.2%1.2%1.2%0.02
Bullet Casing0.83%0.83%0.83%0.19
Steel Arrowhead–0.83%0.83%0.06
Buckshot0.78%0.78%0.78%0.18
Bullet Tip0.77%0.77%0.77%0.17
Rocket Launcher Parts0.59%0.59%0.59%0.01
Steel Knuckles Parts0.57%0.57%0.57%0.01
Steel Spear Parts0.57%0.57%0.57%0.01
Steel Club Parts0.56%0.56%0.56%0.01
Baton Parts0.56%0.56%0.56%0.01
Bow / Crossbow Parts0.54%0.54%0.54%0.01
Machine Gun Parts0.54%0.54%0.54%0.01
Shotgun Parts0.53%0.53%0.53%0.01
Machete Parts0.53%0.53%0.53%0.01
Rifle Parts0.53%0.53%0.53%0.01
Robotics Parts0.52%0.52%0.52%0.01
Steel Sledgehammer Parts0.45%0.45%0.45%0.01
Handgun Parts0.41%0.41%0.41%0.01
Bottle of Acid0.21%0.21%0.21%0
Handy Land0.08%0.08%0.08%0
Explosive Magazine0.07%0.07%0.07%0
Vehicle Storage Mod Schematic0.10%0.07%0.04%0
Tools Digest0.07%0.07%0.07%0
Electrical Traps0.07%0.07%0.07%0
Forge Ahead0.07%0.07%0.07%0
Rifle World0.07%0.07%0.07%0
Home Cooking Weekly0.06%0.06%0.06%0
Shotgun Weekly0.06%0.06%0.06%0
Armored Up0.06%0.06%0.06%0
Medical Journal0.06%0.06%0.06%0
Furious Fists0.06%0.06%0.06%0
Wiring 1010.06%0.06%0.06%0
Vehicle Adventures0.06%0.06%0.06%0
Big Hitters0.05%0.05%0.05%0
Scrapping 4 Fun0.05%0.05%0.05%0
Pack Rat Magazine0.05%0.05%0.05%0
Knife Guy0.05%0.05%0.05%0
Tactical Warfare0.05%0.05%0.05%0
Tech Planet0.05%0.05%0.05%0
Handgun Magazine0.05%0.05%0.05%0
Sharp Sticks0.05%0.05%0.05%0
Vehicle Fuel Saver Mod Schematic–0.05%0.04%0
Vehicle Off Road Headlights Mod Schematic0.09%0.04%0.02%0
Armor Fittings Mod Schematic0.05%0.03%0.01%0
Muffled Connectors Mod Schematic0.05%0.03%0.01%0
Vehicle Reserve Fuel Tank Mod Schematic–0.03%0.05%0
Iron Arrowhead0.83%––0

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