Our Rawl ETA Throughbolt Expansion Anchor with controlled torque is for use in cracked and uncracked concrete, seismic loads C1 and C2, and static or cuasi-static loads. It is ETA (European Technical Assessment) approved for structural fastenings, guaranteeing maximum performance for medium to heavy loads. Our Throughbolt Anchor ensures reliability and safety in demanding construction projects, making it ideal for use with our range of Angle Profiles. Components include: Wedge bolt, clip, nut and washer. Drill hole size 10mm.