# FREE Single Shear Pin Calculator

Shear Pins are common in day to day life. A better choice is a double shear pin, but single shear does have it’s place. This simple calculator allows you to get the stresses on the pin and bearings quickly with out headaches.

Excel based calculator integrates easily with existing calculations.

English and Metric Units

Unlike other online calculators, this calculator allows for gaps and calculates the bending moments on the pin.

Units
Force, P ( lb)
d1 ( in)
t1 ( in)
t2 ( in)
Gap, g ( in)
Yield Stress, Pin ( ksi)
Force Area Stress
Pin 0 lb 0 in^2 nan psi
Bearing Area, t1 ( in^2) 0 lb 0 in^2 nan psi
Bearing Area, t2 ( in^2) 0 lb 0 in^2 nan psi
Section Modulus 0 in^3
Moment of Inertia 0 in^4
Effective Bending Length 0 in
Maximum Moment 0 in-lb
Pin Stresses
Normal Stress nan psi
Principle Normal Stress nan psi nan DF
Principle Shear Stress nan psi nan DF
Notes:
1. The bending moment calculated will exist in members 1 and 2 as well as the pin at the pinning location.
2. If the pin is not fixed to at least one side, there will be edge loading on members 1 and 2. This nullifies the bearing area stress calculations.
3. Whenever possible, use a pin that eliminates the gap (i.e. a bolt). This allows the moment to be transfered from member 1 to member 2.
4. Whenever possible, use a double shear design to minimize the moment.

Corey Rasmussen

Corey is the Managing Director of the Mentored Engineer and owner of Rasmussen Designs. He received his BSME from Baylor University and holds a professional engineering license in North Carolina and Texas. He has been an engineer since 2002 with extensive experience in engineering design, fabrication and troubleshooting. He specializes in mobile equipment, hydraulic systems and machine design. He has two patents

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