#4 Blasting Gun – 5/16″ Boron Nozzle with 1/8″ Air Jet (21 CFM @ 80 PSI)

Part Number: 140-720
Category: Abrasive Blasting Guns
Type: #4 Blasting Gun – 5/16″ Boron Nozzle with 1/8″ Air Jet (21 CFM @ 80 PSI)

The #4 Blasting Gun (Part No. 140-720) is a high-output suction-style blast gun designed for faster material removal and higher productivity in blast cabinet applications. Equipped with a 5/16″ boron carbide nozzle and a 1/8″ air jet, this configuration delivers 21 CFM @ 80 PSI, making it ideal for heavier-duty cabinet work and operators who want increased cutting power.

Product Specifications

• Model / Part Number: 140-720

• Gun Type: #4 Suction Blasting Gun

• Nozzle: 5/16″ Boron Carbide

• Air Jet: 1/8″

• Air Consumption: 21 CFM @ 80 PSI

• Weight: 0.83 lbs

• Application: Blast cabinets, higher-output abrasive blasting

Key Benefits

• Boron carbide nozzle for maximum service life

• Higher air flow for faster, more aggressive blasting

• Ideal for users with adequate compressor capacity

• Heat-treated air jet & suction head (HRC 58–62)

• Direct replacement for Empire-style #4 blast guns

The 140-720 #4 Blasting Gun is the go-to option for cabinet operators who want increased power and throughput while maintaining precision and long-term durability.