Drilling: Original cobalt drills are usually a bronze or matte gold -plated color due to the presence of cobalt alloy. This color is part of the metal itself and is not a coating. If the gold drill has a very shiny and bright similar to the titanium drill, check it more cautiously.

Amers on the Body (Markings): This is a key sign. Authentic manufacturers engrave important information on the drill body. Look for symptoms such as HSS-CO , co 5%, m35 , CO 8% or m42 . These engravings are usually laser and very clean and accurate. Fake drills either lack these engravings or the writings engraved on them are of poor quality, tilted and unreadable.

Irregular Price: Remember, cobalt is an expensive metal. If the proposed price for a original cobalt drill in Tehran was suspiciously low and close to the price of an ordinary HSS drill, it is almost certainly that it is a fake product. No cheapness is inappropriate.

Practical test (if possible): The best test is performance. A real cobalt drill should be able to pierce stainless steel sheets easily and without the need for too much pressure. The fake drill is quickly smoke and the edge disappears.

Buying from a valid source: The simplest and most reliable way to guarantee the purchase Original Cobalt drill in Tehran is to refer to a reputable and reputable seller such as Aras Tool .

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