QD Self-undercutting heavy duty anchor bolt

タイトルまたは説明

1. the anchor bolt is apply for the concrete , natural stone, soild brick wall, holloe brick wall, aerated brick wall 2. the rang of use steel structure curtain wall railing cantilever bracket cable tray mechanical equipment elevator stairs door 3. advantage of the product (1) the anchor bolt will be anchored in two ways with excellent aseismatic performance and high security assurance (2)the action directions of the anchor bolt at two self-undercutting positions are adverse, which may offset the expansion strain result in small edge distance for anchoring