Tool · discovery

Hammer impact and retention test fixture

Independent retained impact target/reference, handle pull and representative spall/rebound comparison; discovery hypothesis, grade/quantity/capability unreviewed.

Discovered · unresearchedClosure: OpenInventory incomplete

Capability requirements and tolerances

Consumer-specific numerical targets, quantities and acceptance limits remain open or incompletely reviewed. No smartphone-grade suitability is claimed. Distinct capability tiers require their own making route and qualification.

Parts and Tools needed

No researched inventory yet. This is an unexpanded frontier; an empty list does not mean the item can be obtained directly from nature.

What remains unresolved

Manufacture, quantities, suitability and complete inventory remain unreviewed.

Canonical reuse assessment

{
  "checked": [
    "protection-integrity-test-fixture",
    "mechanical-forming-profile-load-comparison-fixture"
  ],
  "decision": "Hammer face/head retention and stock deformation require specific impact/target comparison, not generic guard acceptance."
}

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Used by

Items that directly require this item in their selected inventory.

Hammers

Paths from Smartphone

These routes together include every item that can lead from Smartphone to this item. Repeated path combinations are collapsed; recipes are omitted.

Shortest route: Smartphone → Enclosure → Machining cutting tool set → Hammers → Hammer impact and retention test fixture

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