Grade 12.9 alloy steel button head socket cap screw has a tensile strength between 150,000 psi to 170,000 psi, stronger than Grade 5 steel screws. Socket screw fits a wide variety of applications. Often driven into tapped holes or used with nuts. The black oxide finish provides mild corrosion resistance in dry environments.Length is measured from under the head.
Drive Size 3/16" Head Diameter Max 0.547" Head Height Max 0.166" Material Alloy Steel Grade 12.9 Finish Black Oxide (BLO) Drive Allen Diameter 5/16" Thread Count 18 Threads per Inch (Coarse) Thread Direction Right Hand Actual measurements may vary slightly +/- depending on production run within IFI Tolerances.
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