... ” M12-M160 high-strength bolts, nuts and screws in accordance with GB, ANSI, DIN, EN, RCCM-2007, JIS, ISO, SH, ... GD and GJB standards, as well as non-standard fasteners.With powerful technical strength, complete equipment, superior quality and fine after ... white zinc plated material: stainless steel Specifications:ceiling hook anchors bolt 1.expansion fastener hardware/eye bolts sleeve nut 2.material ...