I have a TYG000250 in front of me. It's M10 x 1.5 x 50mm with a threaded portion of 40mm and a full diameter of 7mm. The flanged bolt head suits an E12 socket.
Unfortunately a DIN 912 socket head capscrew M10 x 50 12.9 has a threaded portion of 32mm. You can buy these quite readily. You'd have to get an M10 x 1.5 (standard M10 pitch) die to extend the thread if you wanted to replicate the original.
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