M8-1.25 x 40 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox 1/4 The indented hex head design

The indented hex head design allows for easy tightening using a hex key

The 1/4-20 x 2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a versatile and durable fastener designed for a wide range of applications

The 1/4-20 x 1 Unslotted Hex Washer External Sems Machine Screw Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications

The six lobe drive provides a secure grip

These screws are corrosion-resistant and have a tensile strength of 120

M8-1.25 x 40 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox 1/4 The indented hex head designThe M8 1. 25 x 40 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 meets the specifications of ISO 4762 and has a thread pitch of 1.