Shaft Keyway & Woodruff Slot Crown-Touch Depth, Over-Pin & Shear-Torque Solver

Deterministic Circular segment sagitta h_sag = R - √(R² - (b/2)²), DIN 6885 / ANSI B17.1 slot tolerances & bearing/shear stress τ = 2T/(d·b·l_eff) engine (.dxf, .pdf) built for DIN 6885, MISUMI, Sandvik, Bridgeport — zero-upload ephemeral Wasm RAM execution.

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