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DIN 933 DIN931 Black Galvanized Hot-dip galvanizing Hex Bolts Grade 4.8/8.8/10.9/12.9
High-quality carbon steel hex bolts manufactured to international standards DIN 933 (full thread) and DIN 931 (half thread). Available in multiple strength grades and anti-corrosion surface treatments to suit construction, machinery, and industrial applications.
PropertySpecification
Standards：DIN 933 / DIN 931 / ISO 4014 / ISO 4017
Material：Carbon Steel (Q195, Q235, 35K, 45K, 40Cr)
Grade：4.8, 8.8, 10.9, 12.9
Size Range：M5 – M64 (Custom lengths available)
Finish：
Black Oxide, Zinc Plated (Clear/Blue/Yellow), Hot-Dip Galvanized (HDG), Geomet
Wafer Head Self Drilling Screw can drill directly into various materials such as metal, wood, plastic, etc. without pre-drilling, greatly improving the efficiency and convenience of installation. Its thread design is exquisite, which can effectively grasp the material during the drilling process to form a firm connection.
Yellow Zinc Plated Chipboard Screws are screws designed specifically for the connection and fixing of thin sheet materials such as fiberboard and particleboard. In many fields such as furniture manufacturing and interior decoration, these screws play an indispensable role. With their unique design and performance, they provide reliable guarantees for the stable assembly of various thin sheet structures.
White Zinc Plated Chipboard Screws have good adaptability to particleboard and can be firmly fixed on the board to ensure the reliability of the connection.