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The WILLIAMS COMFORT PRODUCTS PS-12 is a 12-piece pilot punch set designed for precision hole-starting and alignment work in metal fabrication and mechanical assembly. Pilot punches are used to accurately locate and drive fasteners, pins, and rivets without walking across a work surface. This set gives technicians a range of punch sizes in a single kit, reducing the need to source individual pieces. It is well suited for HVAC, plumbing, and electrical tradespeople who regularly work with sheet metal panels, brackets, and enclosures. The set weighs 1.5 pounds, making it a lightweight addition to a field or shop toolbox.
This punch set is appropriate for light to medium-duty trade work including sheet metal layout, control panel assembly, and general mechanical service. The 12-piece configuration covers a broad range of diameter sizes, making it useful across residential and light commercial job sites. It is equally at home in a shop environment or on a service call where precision punch work is required.
Designed as a general-purpose pilot punch set suitable for use in sheet metal fabrication, mechanical assembly, and trade service applications across HVAC, plumbing, and electrical disciplines.
Pilot punches should be used with an appropriate ball-peen or machinist hammer rated for punch work. Always wear safety glasses when striking punches. Secure the workpiece firmly before punching to prevent movement. Inspect punch tips before each use and remove any mushroomed or cracked punches from service immediately.
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