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TAMPERPROOF SCREW COMPANY was founded in the late 1970’s when George Friedman developed the Phillips Pin-Head security screw. A longtime veteran of the fastener and hardware industry, George recognized the need for a fastener company specializing in stainless steel tamper-resistant screws. With the help of a local machine shop, George began to offer drilled spanner screws ( later to become our trademarked SNAKE EYES® ) and Phillips Pin-Head screws.