印度尼西亚采购需求：双头螺柱、蝶形螺母、自钻螺钉、方锥垫圈、非标、连接螺栓

Hi there! I'm currently sourcing bolts for an upcoming project and would appreciate more details. Could you please provide the specifications for your available options, including materials, sizes, and any relevant standards? Additionally, I'd like to get a quote on pricing based on different quantities. If you have any bulk or volume discounts, please include that info as well. Looking forward to your response!