印度采购需求：机用丝锥、非标系列

I'm looking to source some high-speed steel taps for a production project. Specifically, I need two types: a standard tap in a particular thread size and a left-hand tap in a different thread size. Please provide your best pricing and lead times for these items. Additionally, could you let me know if you have any recommended alternatives or package deals? I'm particularly interested in the possibility of bulk purchasing. Any details on material specifications, coatings, or performance enhancements would also be appreciated. Thank you!