Boron Carbide Sandblasting Nozzle: You Pick Bore Size & Length. T4 Series Bore Size:1/8" (#2, 3.2mm) Because black silicon carbide is

Because black silicon carbide is harder than aluminum oxide

then dilute wiith oil or ethanol)

try a #4 (30-40) bead

determine price

Boron Carbide Nozzle Benefits:

Boron Carbide Sandblasting Nozzle: You Pick Bore Size & Length. T4 Series Bore Size:1/8" (#2, 3.2mm) Because black silicon carbide isSpecifications of T4 Series Boron Carbide Sandblasting Nozzles: Straight Bore, 1 2" entry 3 4" 14 NPS (NPS = National Pipe Straight) thread, 14 threads sq. inch. NOTE: T1 nozzles are slightly different threading (1 1 4" 11 1 2 NPS thread, T1 Series). The OD of the threads of T4 is 1. 003" (Whereas, T5 nozzles are slighly smaller at . 998" OD) Note that 1" pipe is always measured based on the outside diameter (OD), and pipes less than 1" are measured