• Serbolt concrete screwbolts are ideal for anchoring in concrete, blocks, brick and stone. • Superb insertion speed into pre-drilled holes. • Self-tapping thread design offers high pull out values. • Removeable and can be re-used in the same hole making them an ideal fixing for permanent or temporary anchoring. • Requires less torque to drive, saving time and battery life. • Suitable for 'close to edge' fixing. • Serbolt allows a safe anchorage into a range of construction materials.