Spindle speeds, feeds, metal removal, tap drills, thread geometry, bolt torque and sheet-metal bends.
payments ON MAINNET (real money) · 8 live endpoints
| Endpoint | Price | What it answers |
|---|---|---|
GET /bend-allowance | $0.02 | Sheet-metal bend allowance, outside setback, bend deduction and flat length from angle, radius, thickness and K-factor. |
GET /bolt-torque | $0.02 | Bolt preload (75 percent of proof) and tightening torque estimate T = K F d for ISO property classes 8.8, 10.9, 12.9. |
GET /cut-time | $0.02 | Machining time for a cut length from a table feed, or from rpm and feed per revolution, with passes. |
GET /feed-rate | $0.02 | Milling table feed from rpm, flutes and chip load, or the chip load a given feed produces. |
GET /mrr | $0.02 | Metal removal rate for milling (width x depth x feed) or turning (surface speed x feed x depth of cut). |
GET /speed-rpm | $0.02 | Spindle rpm for a diameter at a surface speed (SFM or m/min), or the surface speed an rpm gives. |
GET /tap-drill | $0.02 | Tap drill size for metric coarse (M3 to M24) and common inch threads (#4-40 to 1/2-20), with the formula check. |
GET /thread-geometry | $0.02 | ISO metric thread dimensions: pitch diameter, minor diameters, thread height and tensile stress area. |
GET /catalog returns this list as JSON. Activity hub · uptime.
Computed locally from standard machining formulas and published thread tables, provided as is, with no warranty. Cutting data and torque are starting estimates; follow the tool maker's data, the fastener specification and shop safety practice. Not engineering advice. Every paid response carries a disclaimer field.