M20-2.5 x 150 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox 5/16-18-.125 The zinc plating provides excellent

The zinc plating provides excellent corrosion resistance in most environments

It is also commonly used in marine applications due to its corrosion resistance

which gives them a durable and weather-resistant finish

and resistance to vibration and loosening

M20-2.5 x 150 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox 5/16-18-.125 The zinc plating provides excellentThe M20 2. 5 x 150 Metric Socket Head Cap Screw Class 12. 9 ISO 4762 Black Ox is a high strength fastener designed for demanding applications. It features a hexagonal socket head for easy driving and a black oxide finish for corrosion resistance. The screw is made of alloy steel and heat treated to a tensile strength of 12. 9, making it suitable for use in high stress environments. It is also RoHS compliant, making it safe for use in electronic