马来西亚采购需求：紧固件、干壁螺钉、SDS、自攻螺钉、自钻螺钉、刨花板螺钉

I am looking to procure several items in bulk quantities. Specifically, I'm interested in sourcing a variety of bolts and nuts made of zinc plated material. The order includes a total of 50,000 pieces of two different bolt sizes, along with a significant quantity of nylon lock nuts and flat washers in various dimensions. Please provide your best pricing and availability for these items. It's essential that all products meet quality standards, as we are looking to establish a long-term partnership. Let me know if you need any further information to process this inquiry. I look forward to your prompt response with all the detailed specs and lead times.