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Wurth 622178F micro pinner is an air powered tool that drives 23 gauge microbrads from 7/8 inch to 1-3/8 inch and micropins from 1/2 inch to 1 inch, so one gun covers small trim and detail fastening. The tool shoots both micropins and microbrads, which lets you match fastener type to the job without swapping nailers. The design uses a steel driver blade that is engineered for longer life, giving the tool a durable working edge under regular shop use. A rear exhaust with muffler directs air away from the work area, helping keep dust movement predictable around delicate finishes. The tool uses a Wurth model 11191W body, tying it directly to the WW11191W O-ring part reference in service documentation.
This air powered driver is designed to run at an operating pressure from 60 to 100 psi, so it fits typical shop and jobsite compressor setups used for trim tools. That pressure band lets users balance depth of drive on softer or harder materials while staying within the specified working range. The rear exhaust with muffler routes exhaust air away from the nose, which supports better control of dust and debris around fine joinery and finished interiors. The swivel adapter at the hose connection point allows movement of the airline around the operator, helping maintain comfortable tool positioning during extended work.
The Wurth 11191W body paired with the 622178F configuration is set up for 23 gauge microbrads from 7/8 inch to 1-3/8 inch and micropins from 1/2 inch to 1 inch, giving it a focused role in light fastening. This fastener range is sized for small trim, decorative moldings, and fine detail work where a narrow shank helps limit visible holes. Because it can shoot both micropins and microbrads, the same nailer can be used for completely headless pinning or for slightly more holding power from brads depending on the application demands. The auto adjustable pusher maintains contact on different length strips, so moving between 1/2 inch pins and 1-3/8 inch brads uses the same magazine setup without manual reset.
The lockout to prevent dry firing keeps the driver from cycling on an empty magazine, which supports longer life of the steel driver blade that is engineered for longer service. That protection also helps avoid impact marks on finished material when fasteners are exhausted. The removable no mar tip creates a buffer between the nose and the work surface, so the metal nose is not rubbing directly on painted or stained faces during alignment. When needed, the no mar tip can be taken off to expose a crisper nose contact area for tight corners. The belt hook keeps the nailer at hand without resting it on finished surfaces, maintaining a cleaner workflow around cabinets or trim pieces. The rear exhaust with muffler and the swivel adapter for the hose work together to keep exhaust air and hose movement directed away from the critical alignment zone at the nose, which supports accurate placement and repeatable results across a run of parts.
The Wurth 622178F handles 23 gauge microbrads from 7/8 inch to 1-3/8 inch and micropins from 1/2 inch to 1 inch, covering typical fine trim and detail fastening needs.
The auto adjustable pusher keeps pressure on different fastener lengths, so both short micropins and longer microbrads feed smoothly without manual magazine adjustments.
The dry fire lockout stops the Wurth 622178F from firing when fasteners are exhausted, helping protect the steel driver blade and reducing the chance of surface damage.
The removable no mar tip keeps the metal nose off painted or stained surfaces, helping prevent marks while you position the tool for accurate pin or brad placement.
The Wurth 11191W nailer operates at 60 to 100 psi, fitting typical trim-tool compressor setups and allowing tuning of drive depth within that range.
The swivel adapter at the hose connection lets the air line pivot as you move, which reduces hose twisting and helps maintain comfortable positions during detailed fastening.
The Wurth 622178F configuration built on the Wurth 11191W body gives installers one air powered driver that handles both 23 gauge microbrads and micropins within a 1/2 inch to 1-3/8 inch range. Features such as the auto adjustable pusher, dry fire lockout, removable no mar tip, belt hook, steel driver blade, rear exhaust with muffler, and swivel hose adapter are all aimed at steady feeding, surface protection, and controlled handling. For shops and installers who focus on fine trim and detailed woodwork, this layout provides a practical micro pinner and microbrad solution.
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