คุณลักษณะ

• Dimensions are plain washers conforming to JIS B 1256-1963.
• The nominal diameter is the diameter of the external screw used, and the inner diameter of the washer has a slightly larger hole.
• Material is steel and hot dip galvanized (whitish color) to improve corrosion resistance.
• It is used to distribute the surface pressure when fastening with bolts, small screws, nuts, etc., to prevent damage to the mating member, and to prevent caving when the bottom hole is large.
• It has superior corrosion resistance compared to electroplating, and is especially effective in outdoor environments.
• For the combination parts, please use rub-plated products.