DIN 15237 4 Dots Hex Nut Assembly Zinc Plated High Strength

DIN 15237 Steel Belt Bolt with 3 or 4 dots on the Back Matched with a Dome Washer and a Hex Nut Assembly

We supply various specifications of ordinary belt bolts and high-strength belt bolts.

Materials: Q235, 45#, 40Cr, 35CrMoA, Q345D, SUS304 etc.

Surface treatment: electroplating white zinc, blue white zinc, colorful zinc, black oxide and natural color;

Product grades: 4.8, 8.8, 10.9 and 12.9 are optional.

Specification:

Installation Guide:

Assembly Guide:

Application: It is widely used in construction, machinery, railway, hoisting, steel, power plant, port, metallurgy and many other fields. Xinlan company is committed to the research, development, production and processing of industrial hoisting, rail transit, mining transportation and other industries, and has strong R & D strength and reliable quality assurance ability.