Having successfully used a German made Bosch product I was a bit hesitant when I saw that this bit was made in China. Hardened steel was advertised. I was attempting to drill two holes in 3/32" case hardened 1010 steel using a 390 rpm floor drill with oil lubrication. ended up drilling with a US made carbide tipped drill that my son bought for $10 from a US industrial supplier in South Florida.
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