Wedge anchor bolt expansion bolt

Safe and stable
Use special under-reaming bit to complete under-reaming.
Suitable for cracked concrete, and the strength grade of base concrete is not lower than C20 and not higher than C60.
Surface treatment: hot dip galvanized, in line with GB/T13912-2002.
Product advantages: mechanical unlocking, safety and reliability; Anchor bolts can be anchored at small sides and intervals; Compared with chemical anchor bolt, it can be loaded after installation without waiting; Can withstand static load and earthquake.