Overview Reviews Product Description IMPA 730661 Malleable cast iron nut No. 310 galvanised, ¼" BSP Product Videos Custom Field IMPA Code 730661 Product Reviews Write a Review Write a Review × IMPA 730661 Malleable cast iron nut No. 310 galvanised, ¼" BSP Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *