Grade 5 square head set screw are ideal for medium duty holding. A square head allows them to be turned by hand, or fastened with a wrench when you need more torque. The cup point has a thin edge that digs into the contact surface for a secure hold. Length is measured from under the head.
Width Across Flats (A/f) 5/16" Head Height 1/4" Material Alloy Steel Grade Grade 5 Finish Black Oxide (BLO) Drive Square 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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