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09/03/2010
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PEM panel fasteners designed specifically for tool-only access applications provide fixed screw solutions for a new EC machinery directive imposing strict safety requirements for machine guarding and the ergonomics of operator equipment.
 Their captive screws conform with Machinery Directive 2006/42/EC, which relates to tool-only access fasteners and requires such fasteners to remain attached to fixed guards or machinery when guards are removed. Loose screws no longer are acceptable in such assemblies, effective this year.
These PEM panel fasteners with threaded captive screws have been engineered to install permanently into thin metal panels. Their elimination of loose screws promotes speedier maintenance of machines without a need to handle hardware and prevents screws from becoming lost either inside or outside a machine. An added benefit is that the fasteners are UL-approved.
Installation is accomplished quickly and easily by placing the panel fastener in a prepared mounting hole and applying sufficient squeezing force using any type of parallel acting press. Most types are flush on the backside of the panel for a clean appearance.
Depending on type, available thread sizes range from #4-40 through ¼-20 and M3 through M6. The product line includes select types designed with a standard anti cross-threading feature to protect from potential damage due to improper thread engagement. The fasteners can also be ordered with a DuraBlack finish to satisfy particular cosmetic requirements.
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Author
Chris Shaw
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