Steel Connection Calculator

Calculate high-strength bolt and welded connection capacity. Slip resistance, tensile strength, and weld throat calculations — free structural tool

Bolt ConnectionWelded Connection

Bolt Specification

Bolt Grade

F8TF10T

Bolt Diameter

M16M20M22M24

Number of Bolts

Friction Surfaces

1 surface2 surfaces

Slip resistance: Qa = μ × m × T0 × n

μ = friction coeff. = 0.45

m = friction surfaces, T0 = bolt tension

Results

Total Slip Resistance

445.5 kN

= 0.45 × 1 × 165 × 6

Tensile Capacity (per bolt)

183.8 kN

= 0.75 × 1000 × 245 / 1000