哥伦比亚采购需求：12mm六角螺栓，12mm紧固件，六角螺栓，六面螺栓，12mm螺栓，12mm六角头螺栓

I'm reaching out to gather more details on the range of fasteners you offer. Specifically, I'm interested in various types of fasteners, including their materials, sizes, and any specific features that enhance their performance. It would be great if you could provide information on pricing, minimum order quantities, and lead times for delivery as well. Additionally, if you have any catalogs or technical data sheets available, that would be super helpful. We're looking to assess how your products might fit into our upcoming projects. Any info on customization options or bulk order discounts would also be appreciated. Thanks for your help!