For pricechoose optionsSelect Option M10 x 100mm (50) M10 x 130mm (50) M10 x 150mm (50) M10 x 60mm (50) M10 x 75mm (50) M12 x 100mm (25) M12 x 130mm (25) M12 x 150mm (25) M12 x 200mm (10) M12 x 75mm (50) M14 x 100mm (25) M14 x 130mm (20) M14 x 150mm (10) M16 x 100mm (10) M16 x 150mm (10) M16 x 200mm (10) M6 x 100mm (100) M6 x 50mm (100) M8 X 100mm (100) M8 x 130mm (50) M8 x 150mm (50) M8 x 60mm (100) M8 x 75mm (100) Quantity Add to Basket The MasonMate Hex Concrete Screwbolts are ideal for anchoring in concrete, blocks, brick and stone. Zinc plated for increased durability with a self-tapping thread design.