기능

• The hexagonal upset bolt has spring washers and flat washers that do not come off.
• Built-in type improves work efficiency.
• Box wrench, eyeglass wrench and cross screwdriver are appropriate for tightening tools.
• Material is steel with trivalent chromate plating (light blue color) to improve corrosion resistance.
• Used for general tightening of machines, buildings, vehicles, etc., convenient as it can be detached with two kinds of tools.
• It is often used in automobiles.
• Has more corrosion resistance than fabric.
• RoHS and other environmental regulations compliant products (as of August 2024).