BOLT CALCULATOR: TYPE 7

This interactive tool is intended for the design of Type 7 bolted connections based on CSA O86:24 Clause 12.4.

This tool is intended for use by builders/designers who are experienced and familiar with bolt design calculations.

Main member and side member illustrated

STEP 1: BOLT CHARACTERISTICS

BOLT DIAMETER

SIDE MEMBER

MAIN MEMBER

ADJUSTMENTS

  • KT is applied to the modes related to wood member resistance (Row Shear, Group Tear-Out, Net Tension), while KTC is applied to the yielding modes which represent the interaction between the bolt and wood member. See CSA O86:24 for treatment factor requirements.

Correct sign

Step 1 is all good! Move on to the next step.

STEP 2: DIMENSIONS

MEMBER DIMENSIONS

  • The resistance of steel plate(s) needs to be checked separately.

  • Based on the selected dimensions, Member 1 uses a Light Framing grade.

  • Based on the selected dimensions, Member 1 uses a Beams and Stringers grade.

  • Based on the selected dimensions, Member 1 uses a Posts and Timbers grade.

  • Based on the selected dimensions, Member 2 uses a Light Framing grade.

  • Based on the selected dimensions, Member 2 uses a Beams and Stringers grade.

  • Based on the selected dimensions, Member 2 uses a Posts and Timbers grade.

BOLT SPACING

  • The following dimensions are set as minimum, but you can change them as you see fit.

Picture of dimensions illustrated
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Show reference picture

A parameter has changed. Please re-submit to update governing resistance.

STEP 3: OUTPUTS

  • An error occurred when generating the output. Please check your internet connection and try again.

  • We generated the result based on your selection.

Non-governing resistances and corresponding failure modes:

Non-governing resistances not found.