{"uid":"cap_IkBc6usKwQSzlSkpEhdG4","slug":"machining-fasteners-calc-iso-metric-thread-geometry-e8e22988","name":"Machining & Fasteners Calc – ISO Metric Thread Geometry","description":"ISO metric thread dimensions: pitch diameter, minor diameters, thread height and tensile stress area.","url":"https://machining-calc.x402tookit.com/thread-geometry?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["diameter","pitch"],"properties":{"pitch":{"type":"number","description":"Thread pitch in mm (for example 1.5 for M10 coarse)"},"diameter":{"type":"number","description":"Nominal major diameter in mm, 1 to 100"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"pitchMm":{"type":["null","number"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"diameterMm":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"stressAreaMm2":{"type":["null","number"]},"pitchDiameterMm":{"type":["null","number"]},"threadHeightHMm":{"type":["null","number"]},"minorDiameterExternalMm":{"type":["null","number"]},"minorDiameterInternalMm":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Uy9Dp1TXR9kumuD6NDuUK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates ISO metric thread dimensions including pitch diameter, minor diameters (internal and external), thread height, and tensile stress area from a nominal diameter and pitch.","exampleAgentPrompt":"What are the full ISO metric thread geometry dimensions — pitch diameter, minor diameters, thread height, and tensile stress area — for an M10 bolt with a 1.5 mm pitch?","exampleUseCases":[{"title":"Bolt stress analysis for structural design","prompt":"I'm designing a bracket and need the tensile stress area and pitch diameter for an M12 bolt with 1.75 mm pitch so I can check if it can handle the load."},{"title":"Tap and die selection verification","prompt":"What are the internal and external minor diameters for an M6 thread with 1.0 mm pitch? I want to confirm the correct dimensions before selecting a tap."},{"title":"Thread gauge inspection limits","prompt":"Can you give me all the standard ISO thread geometry values for an M20 x 2.5 — pitch diameter, both minor diameters, and thread height — so I can set up my inspection gauges?"}],"resultDescription":"Returns a JSON object containing the nominal diameter and pitch as entered, plus computed values: pitch diameter (mm), external minor diameter (mm), internal minor diameter (mm), thread height H (mm), and tensile stress area (mm²), along with metadata fields such as source, timestamp, and any warnings or disclaimers.","failureModes":["Missing required query parameters (diameter or pitch) returns an error","Diameter outside the 1–100 mm range may return a validation error or null values","Pitch value inconsistent with standard ISO series may still compute but may not match any standard thread","Degraded flag set to true if computed values are approximate or source data is unavailable","Network or payment failure returns no result and no charge is applied"],"whenToPreferThis":"Use this endpoint when you need precise ISO metric thread geometry values (pitch diameter, minor diameters, thread height, tensile stress area) for a known nominal diameter and pitch combination. Prefer it over general engineering references when you need machine-readable numeric outputs for downstream calculations such as bolt preload, stress analysis, or gauge tolerance work. It complements the sibling bolt preload endpoint on the same service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:15:01.324Z","isFirstParty":false,"canonicalSlug":"machining-fasteners-calc-iso-metric-thread-geometry-e8e22988"}