Grade 8.8 hex cap screws (high tensile) are suitable for fastening most machinery and equipment. Grade 8.8 hex cap screws are marked with '8.8' with the manufacturer's ID. The black oxide finish provides mild corrosion resistance suitable for use in dry environments. Length is measured from under the head.
Standard DIN 931/933 Material Alloy Steel Grade Grade 8.8 Finish Black Oxide (BLO) Drive Hex Diameter 30mm Thread Pitch 2mm (Fine) Thread Direction Right Hand Actual measurements may vary slightly +/- depending on production run within IFI Tolerances.
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