We offer fasteners (such as bolts, nuts and washers) based on DIN, ANSI/ASTM , SAE standard or customer request.
The material can be carbon-steel, alloy-steel, stainless steel, copper and plastics.

For instance, the parts according to DIN standard, ANSI/ASTM standard, BSE standard, we call it as standard parts;
Some parts are not made according to these standard but per your drawings or samples offered, we call them as specail parts.

Welcome to contact us for the details.