기능

• It has a wide seat surface and is suitable for soft mating members like wood.
• Since it is square, it is difficult to rotate together, and the damage of the partner member is suppressed.
• Made of steel with UNIQLO plating (light blue color) for improved corrosion resistance.
• It is a wooden washer.
• It is used to distribute surface pressure when fastening with bolts, nuts, etc., to prevent damage to the mating member, and to prevent caving when the bottom hole is large.
• Has more corrosion resistance than fabric.