Precise material flow control — dispense the exact amount needed for each application across wide industrial uses

Optimal reach — access tight spaces and difficult angles with ease beyond shorter nozzle lengths

Exact orifice geometry — consistent wall thickness and dimensional accuracy for reliable performance in every application

Pneumatic & manual dispensing guns — works seamlessly with both gun types for complete workflow flexibility

The precision-molded 3/16" orifice allows for precise control of material flow — ensuring that you dispense the exact amount needed for each application. The 3/16" orifice geometry delivers a controlled medium-to-wide bead profile ideal for adhesives, sealants, potting compounds, and other specialized materials across a wide range of industrial uses. The precision orifice ensures smooth, uniform material output without dripping or inconsistency — the preferred choice for applications requiring controlled flow at the 4.0" extended reach distance. For different flow requirements, the Semco® nozzle system is available in multiple orifice sizes.

At 4 inches in length, the Model #8642 provides optimal reach — allowing you to access tight spaces and difficult angles with ease. The 4.0" length delivers deeper access than shorter nozzles while maintaining the controlled dispensing geometry needed for precise material placement. Whether working in deep assembly joints, angled cavities, or confined production spaces, the 4.0" length provides the reach advantage needed for consistent, reliable dispensing performance. The 4.0" length combined with the 3/16" orifice creates a complete precision dispensing geometry for a wide range of industrial applications. For applications requiring different reach, the Semco® nozzle system is available in multiple lengths.

The Model #8642 works seamlessly with both pneumatic and manual dispensing guns — providing flexibility for various operational setups. Use with pneumatic dispensing guns for automated dispensing with speed and precision in production environments, or with manual dispensing guns for hands-on control in various applications. Pair with a pneumatic hose for efficient transfer of materials to the nozzle — creating a complete, optimized Semco® dispensing system for consistent, reliable performance in your most demanding applications.

Complete your dispensing system with Semco® cartridges — high-quality cartridges designed for optimal performance, compatible across the full range from 1 oz through 1/10 gallon. Protect your dispensing system and maintain cleanliness with reliable end caps. Ensure airtight seals to preserve the integrity of your materials with Semco® cap seals. The complete Semco® dispensing system delivers consistent, reliable performance across every component — ensuring your projects are completed successfully and efficiently.

Available in multiple lengths and orifice sizes — allowing you to tailor your nozzle choice to perfectly match your specific application requirements. This versatility ensures that you have the right tool for any job, enhancing efficiency and effectiveness across a wide range of industrial uses. The Model #8642 features the 3/16" orifice at 4.0" length — the ideal configuration for controlled medium-to-wide bead dispensing at extended reach in tight spaces and difficult angles.

The disposable design ensures single-use application integrity — eliminating cross-contamination between materials and maintaining consistent dispensing performance across every application. Simply remove and replace for each new application — no cleaning, no residual material buildup, no compromised bead geometry from prior use. The disposable format is the preferred choice for critical aerospace, defense, and industrial dispensing operations where material purity and application consistency are non-negotiable.

Connects to any compatible Semco® cartridge — 1 oz through 1/10 gallon, all sizes confirmed

4.0" length accesses tight spaces and difficult angles with ease — optimal reach for deep assembly joints and confined areas

3/16" orifice delivers precise flow control — dispense the exact amount needed without dripping or inconsistency

Disposable design — remove and replace for next application, preventing cross-contamination between materials