Reinforcement of Building Structure, Strengthening Strength
On 2015-12-29 14:46:18
About accessories In this purchased item, 4 wood screws were attached, but the necessity of attachment is not felt at all. Generally, metal fittings and screws are different things, and it is better to prepare them separately. Please lower the cost accordingly. (Screw specifications may also be changed variously.) About specifications. About the tightening hole diameter, can it be 3.2 to 3.5? (I would like to make the specification thread diameter as thick as possible ... · · · · It is advantageous in terms of countermeasures against licking crosses.