12 PCS Heavy Duty Expansion Bolts - Concrete Anchor Bolts (M8)

• Made from high-carbon steel with a zinc-plated finish, these expansion screws offer superior hardness, corrosion resistance, and long service life.
• The set includes M8 x 50mm (4 pieces), M8 x 60mm (4 pieces), and M8 x 80mm (4 pieces), giving you a total of 12 bolts to meet various installation needs.
• These expansion bolts offer excellent load-bearing strength and stable fastening.
• Designed with matching expansion sleeves; simply drill a hole, tap the bolt into place, and tighten the nut to achieve a secure hold.
• Suitable for use in concrete, brick walls, stone, and other solid materials — ideal for mounting air conditioning units, shelves, railings, and more.

This heavy-duty expansion bolt set is engineered for strong, permanent anchoring. The high-carbon steel core combined with zinc plating ensures excellent strength and corrosion resistance. The expansion mechanism automatically spreads upon tightening, creating a powerful anchoring effect — an ideal choice for securely mounting TV brackets, curtain rods, steel structures, awnings, and more.