# Drill heads - Stage 2 (technology) internal name `drill-head-mk02` · tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md)) HTML page: https://factorio.kalzumeus.com/tech/drill-head-mk02/ ## Cost 700 units of (1 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 2 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 3 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 6 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 10 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 120 s each. ## Requires (1) - [Chemical science pack](https://factorio.kalzumeus.com/tech/chemical-science-pack.md) ## Leads to (1) - [Drill heads - Stage 3](https://factorio.kalzumeus.com/tech/drill-head-mk03.md) ## Unlocks (4 recipes) ### Drill head (`drill-head-4`) - 5 s · tier 5 - Ingredients: 4 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 4 × [Titanium plate](https://factorio.kalzumeus.com/item/titanium-plate.md), 5 × [Duralumin](https://factorio.kalzumeus.com/item/duralumin.md) - Results: 8 × [Drill head](https://factorio.kalzumeus.com/item/drill-head.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion, (flying) - Unlocked by: [Drill heads - Stage 2](https://factorio.kalzumeus.com/tech/drill-head-mk02.md) ### Drill head (`drill-head-5`) - 5 s · tier 5 - Ingredients: 4 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 4 × [Titanium plate](https://factorio.kalzumeus.com/item/titanium-plate.md), 3 × [Niobium plate](https://factorio.kalzumeus.com/item/niobium-plate.md) - Results: 10 × [Drill head](https://factorio.kalzumeus.com/item/drill-head.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion, (flying) - Unlocked by: [Drill heads - Stage 2](https://factorio.kalzumeus.com/tech/drill-head-mk02.md) ### Drill head (`drill-head-6`) - 5 s · tier 5 - Ingredients: 4 × [Steel plate](https://factorio.kalzumeus.com/item/steel-plate.md), 1 × [Silicon carbide](https://factorio.kalzumeus.com/item/sic.md), 4 × [Titanium plate](https://factorio.kalzumeus.com/item/titanium-plate.md), 3 × [Niobium plate](https://factorio.kalzumeus.com/item/niobium-plate.md) - Results: 8 × [Drill head](https://factorio.kalzumeus.com/item/drill-head.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion, (flying) - Unlocked by: [Drill heads - Stage 2](https://factorio.kalzumeus.com/tech/drill-head-mk02.md) ### Drill head (`drill-head-7`) - 5 s · tier 5 - Ingredients: 8 × [Steel plate](https://factorio.kalzumeus.com/item/steel-plate.md), 4 × [Titanium plate](https://factorio.kalzumeus.com/item/titanium-plate.md), 6 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md), 1 × [Silicon carbide](https://factorio.kalzumeus.com/item/sic.md) - Results: 7 × [Drill head](https://factorio.kalzumeus.com/item/drill-head.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion, (flying) - Unlocked by: [Drill heads - Stage 2](https://factorio.kalzumeus.com/tech/drill-head-mk02.md)