QK Self-undercutting heavy duty anchor bolt

详情

1. the anchor bolt is apply for the concrete , natural stone, soild brick wall, hollow brick wall, aerated brick wall 2. the range of use .curtain wall .railing .stair .door/window .bracket for household electrical appliances ***** advantage of the product (1) the multi-section part will be fixed to the base material in trapeaoid fastening status to make the bolt fastened in two ways providing with excellent ascismatic performance and high security assurance (2)the action direction of the anchor bolt at multi-section expandig position ear adverse , which may offset the expanson strain and result in small edge distain for anchoring