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  • West Coast Industries, Inc.
    West Coast Industries, Inc.
    206-365-7513
    14900 Whitman Ave. N., 98133-6532  Seattle

    Coldworking fastener holes is a simple life enhancement procedure that strengthens metallic components by retarding crack growth around the hole. The most common method of coldworking involves pulling an oversized, tapered mandrel through a hole. This force plastically expands the hole, producing a…