Premium-quality A4 through bolts for fixing in concrete

• Torque-controlled expansion anchors for pre-, push-through and distance installations.
• When torque is applied the expansion clip expands developing frictional grip with the drill hole walls.
• Anchor diameter and max. fixture thickness marked on the body.
• The use of S-KA setting tool makes serial installation safer and quicker.
• A4 for indoor, outdoor and industrial use.