Timber Lag Screw Connection
Lateral Resistance (CSA O86-14)
v1.0.1
File:
Project:
Designer:
Date:

Side Member

Material:
Thickness:
mm
Width:
mm
Orientation of load
Angle relative to grain:
deg
End distance:
mm
Edge dist.:
mm

Main Member

Material:
Thickness:
mm
Width:
mm
Orientation of load
Angle relative to grain:
deg
End distance:
mm
Edge dist.:
mm

Screws

Lag screw diameter:
Yield strength, fy:
MPa
Penetration into main member:
mm *excludes screw tip

Lag screw rows are parallel to the applied load
Number of Rows:
Screws Per Row:
Row Spacing:
mm
Lag Screw Spacing in row:
mm

Conditions

Wood:
Service:
Treatment:
Load Duration:
waiting for input...

This information must be read or used in conjunction with the June 2017 reprint of CAN/CSA O86-14 Engineering Design in Wood.
In the event of discrepancies, CAN/CSA O86 shall govern.