Not many people know about this solution, a steel hardening technique for drill bits.

[@TheHartcorSpartan76]

Każdy jest *kowalem* swojego losu.

[@johnmahoney2178]

Nice to be able to make your own drill bits.handy to know my friend.🤔👍

[@KATEKNIK001]

Thanks 🙏👍

[@nikolcenecovski6739]

What was that for cooling? Water or some oil?

[@KATEKNIK001]

It's salt water

[@assafali4632]

Good idea

[@KATEKNIK001]

شكراً جزيلاً

[@serradosbagres1453]

Salt?

[@KATEKNIK001]

Ya

[@ghoghnos_sorkh]

❤❤❤❤

[@KATEKNIK001]

👍👍

[@Dapper61]

Это подмена сверла . видно что сверло в станке совсем не то . Просто похоже.

[@KATEKNIK001]

👍👍