Overview Reviews Product Description IMPA 730663 LOCK NUT 310 GALV. BSP 1/2" Product Videos Custom Field IMPA Code 730663 ISSA Code 6701904 HS Code 73071910 Country Of Origin CHINA Product Reviews Write a Review Write a Review × IMPA 730663 LOCK NUT 310 GALV. BSP 1/2" Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *