BendMath has published a printable bend worksheet that turns its free K-factor and bend-allowance calculators into a shop reference, with worked examples and blank rows for recording each job's material, thickness, radius, angle and result.
The worksheet states the bend-allowance formula, BA = (π / 180) × A × (r + K × t), where A is the bend angle in degrees, r is the inside radius, ...
Satisfied Users & 
Approved Press Releases
