For comparable metal drilling performance on Fepy, you can check these alternatives: Bosch HSS-G Metal Drill Bit 4.0mm:
https://fepy.com/product/bosch-hss-g-metal-drill-bit-4-0mm and Bosch HSS-G Metal Drill Bit 5.0mm:
https://fepy.com/product/bosch-hss-g-metal-drill-bit-5-0mm. If you’re considering a different coating, the Dewalt Titanium Coated Drill Bit 4.5mm is also available:
https://fepy.com/product/dewalt-titanium-coated-drill-bit-4-5mm. The 4.5mm option is ideal when you specifically need holes of that diameter; 4.0mm and 5.0mm provide alternatives for slightly smaller or larger hole requirements, while the titanium-coated option offers a different coating for extended life in harder metals.