... chipboard screws, drywall screws, furniture screws, rivets, anchors and many other hardware products made of carbon steel, alloy & ... zinc electroplating, phosphate, copper plating, mechanical galvanization, hot dip galvanization, and Dacromet. Our products are produced in conformity with DIN ... , ANSI, AS, BS, JIS, GB and ISO standards, non-standard specifications or upon our customers' ...