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Parallel Keys are stocked in C45k key steel, with a minimum tensile strength of 60Kg/mm² and Stainless Steel grade A4.
Our standard machine keys are the Parallel Key DIN 6885 / ISO 2491 (metric) and Parallel Key BS 46 Type A (imperial), with options to have square ends, round ends, or one square / one rounded. As well as our standard engineers keys, we also custom-manufacture Parallel Keys to your exact specification. Please contact the Technifast team to discuss specific requirements for custom-made parallel or feather keys.