Overview Reviews Product Description Boron Carbide Steel case Blast Nozzles. Straight Bore Nozzle for Suction Blast applications. 3/4” BSP Thread. Product Videos Custom Field Product Reviews Write a Review Write a Review × Straight Bore Boron Carbide Blast Nozzle Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *