Input your required thread diameter, length, and alloy to calculate mass per 1,000 pieces, tensile yield load, tightening torque, and instant production cost estimates.
Fastener Parameters
ISO 898-1 SPEC
Calculation Methodology:
Thread Stress Area As = 0.7854 × (d - 0.9382 × P)2. Proof load calculated at nominal yield limit with friction coefficient K ≈ 0.20.
