Description
The Techcon 990-1000 is a Pyles cartridge nozzle measuring 2.5 inches long with a fine 1/16 inch orifice, sold in a case of 1000. It’s the dispensing needle nozzle to reach for when a job calls for a narrow, controlled bead rather than a wide fill pattern.
Fine-Orifice Dispensing Needle Work with the 990-1000
A 1/16 inch orifice sits toward the finer end of Techcon’s Pyles nozzle range, giving tighter bead control for detail work, thin-line sealant runs, and precision adhesive placement where a wider nozzle would overfill the joint. The nozzle threads directly onto Pyles cartridge output ports with no adapter required, keeping the dispensing setup simple.
Fine-orifice nozzles like the 990-1000 are more sensitive to material viscosity than wider nozzles; thicker materials may need more line pressure to maintain flow through the narrower opening, so it’s worth confirming your material’s viscosity against the orifice size before committing to a full production run. For jobs that need a wider bead, the related 989-XPK nozzle offers a 1/8 inch orifice from the same Pyles cartridge family, giving a quick reference point when choosing between fine and standard bead widths.
Stocking Fine-Orifice Dispensing Needle Nozzles by the Case
Because nozzles wear and clog with use, high-volume lines running fine-bead work typically stock nozzles by the case rather than reordering in small batches. The 1000-count case size matches that usage pattern for shops running consistent fine-bead production.
Chemical Concepts stocks the full Techcon Pyles cartridge, nozzle, and plunger range, so a complete cartridge dispensing system can be sourced from one supplier instead of splitting orders.
See the full dispensing, mixing, and nozzle category for compatible cartridges and plungers, or visit Techcon’s cartridge and nozzle line for the full Pyles nozzle size chart. Not sure if the 1/16 inch orifice is right for your material? Call (800) 220-1966 or email [email protected] and we’ll help you confirm.







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