Black 8.8 grade high strength hexagonal bolts

Black 8.8 Grade High Strength Hexagonal Bolts:

Hexagonal head bolts manufactured to a minimum tensile strength of 800 MPa
Classified as 8.8 grade, indicating a minimum proof strength of 640 MPa
Feature a black oxide or black phosphate finish for added corrosion resistance
Commonly made from alloy steel, providing superior strength over standard bolts
Hexagonal head shape allows for easy installation and tightening with a wrench
Available in a wide range of standard diameters and lengths to fit various applications
Frequently used in applications requiring high clamping force and shear resistance
Provide a stronger alternative to standard mild steel or low-grade bolts
Ideal for use in:
Structural steel fabrication and heavy equipment assembly
Automotive and transportation applications
Industrial machinery and equipment installations
Construction and civil engineering projects
Agricultural and off-road vehicle applications
Offer enhanced safety and reliability in high-load bearing connections
Resist loosening, stripping, and failure better than standard hardware
Help maintain the integrity of critical bolted joints over the long term
In summary, black 8.8 grade high strength hexagonal bolts are a premium fastener solution that deliver exceptional strength and corrosion resistance for demanding industrial, automotive, and construction applications where maximum joint integrity and load-bearing capacity are essential.