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The COILHOSE PNEUMATICS ST203 is a blow gun extension tube designed to extend the reach of compatible 1/8-inch tip blow guns used in compressed air applications. At 3 inches in length with a 1/8-inch NPSM thread, this extension attaches directly to the blow gun body and positions the discharge tip further from the handle. It is built to OSHA standards, making it appropriate for use in regulated industrial and shop environments. Pneumatic technicians, maintenance mechanics, and shop personnel install this type of extension to improve access in tight spaces or to redirect airflow more precisely during part cleaning, debris removal, and drying operations.
This extension tube is used in industrial, commercial, and automotive shop settings where compressed air blow guns are part of routine maintenance and cleaning workflows. It suits any environment where OSHA-compliant blow gun accessories are required. The 1/8-inch NPSM thread is a common standard on pneumatic blow gun assemblies, making this extension a straightforward add-on for existing setups. It is typically selected when the standard blow gun barrel length is insufficient to reach a target area without repositioning the operator or the workpiece.
Designed for use with 1/8-inch tip blow guns using 1/8-inch NPSM thread connections. Refer to your blow gun manufacturer specifications to confirm thread compatibility before installation.
Installation is performed by pneumatic or maintenance technicians as part of blow gun assembly. Always depressurize the air line and disconnect the blow gun from the compressed air supply before attaching or removing extension tubes. Thread the extension onto the blow gun body hand-tight and verify a secure, leak-free connection before returning to service. Follow applicable OSHA regulations and facility safety protocols for compressed air tool use.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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