Fastener Specification Tools for Mechanical Engineers
An online hub with free tools to calculate bolt torque, fastener clearance holes, and tap drill sizes for both metric and imperial hardware.
1Fastener Properties
2Joint Geometry & Materials
mm
GPa
GPa
3External Loads & Friction
75%
N
Recommended Torque Calculation Results
26.4Nm
16,470N
Shear & Joint Integrity Analysis
Shear Load Capacity (F_s)4,941 N
Joint Constant (C)0.168
Remaining Clamp Force (F_rem)12,311 N
Load Factor (N_b)3.96
Strength & Safety Verification
Total Bolt Load (F_max)17,311 N
Required Stress Area32.06 mm²
Current bolt size may be inadequate!
Detailed Engineering Data
Proof Strength600 MPa
Current Stress Area36.60 mm²
Bolt Stiffness (K_b)151,524 N/mm
Member Stiffness (K_m)748,877 N/mm