For column material, use cedar or either equaling or surpassing, for horizontal member, use douglas fir or either equaling or surpassing. For cross section surface size must be 105mmx105mm or more wood material.
To connect shed joist and pole plate, and girth and beam.
Proof Strength Test
The short-term allowable tensile strength 11.9kN
Laws and Regulations
Notification 1460 No. two items (to)
Dimensions (phi mm x L mm)
JIS H 8610 (galvanized) Grade 2 Ep over Fe / Zn 5 / CM2 D (Green)
Goods / Japan Housing / Wood Technology Center performance certification
JIS G 3131 (hot-rolled mild steel plate and steel band) SPHC
Equivalent hardware connections can be made without using battleship hardware. However, it can not be used for both draws. Recommended by manufacturers just right for 30 mm hole. There was a thing that the screw did not chew well because it does not fit well with the bolt unless right angle and depth are properly put out. If the application suitably matches, it is convenient and it can be constructed according to regulations, so I would like you to continue production in the future.