Boron Carbide Nozzle – Straight Bore Gun Insert, 5/16" Bore, 7/8" OD x 1-3/8" Length

Part Number: 1348-630
Weight: 0.09 lbs

The Boron Carbide Straight-Bore Gun Insert (1348-630) is a compact, high-performance blasting nozzle designed for applications requiring a 5/16-inch bore for increased abrasive flow while maintaining precise, consistent delivery. With a 7/8-inch outer diameter and a short 1-3/8-inch overall length, this nozzle is ideal for gun bodies and blasting systems that require a shorter insert without sacrificing performance.

Constructed from premium boron carbide, one of the hardest and most abrasion-resistant materials available, this nozzle provides exceptional wear life—making it a dependable solution for demanding industrial blasting operations.

Key Features & Benefits

Durable Boron Carbide Construction

• Extremely high wear resistance for long service life

• Outperforms tungsten carbide and hardened steel nozzles

• Reduces downtime and long-term replacement costs

Straight-Bore Precision Flow

• 5/16" bore supports increased abrasive throughput

• Delivers smooth, consistent media flow

• Suitable for both general-purpose and high-efficiency blasting applications

Compact 1-3/8" Length

• Ideal for tight-clearance gun designs

• Lightweight (0.09 lbs) for improved handling

• Fits securely in short-style nozzle holders

Precision Dimensions

• Outer Diameter: 7/8"

• Ensures proper compatibility with standard industrial blast gun assemblies

OEM Cross-Reference

Compatible with the following OEM manufacturers and part numbers: