Concave Head Hexagon Combination Bolt Set with Spring Washer and Gasket - 3 Pieces

This high-quality set includes three bolts featuring a unique concave head design for a secure fit and enhanced strength. Each bolt is paired with a precisely engineered spring washer and gasket to ensure a tight and reliable seal, preventing loosening and protecting surfaces from damage. Ideal for a variety of industrial and DIY applications, these bolts offer durability and versatility for any project requiring robust fastening solutions. Head shape: External hexagon socket Surface treatment: White zinc plating Material Grade: Iron Product Grade: 4.8 Manufacture country: China Instructions included: No