4.1/4.2/4.3/4.4/4.5/4.6/4.7/4.8/4.9/5.0mm HSS straight shank twist drill Carbon Steel Material bit

4.1/4.2/4.3/4.4/4.5/4.6/4.7/4.8/4.9/5.0mm HSS straight shank twist drill Carbon Steel Material bit

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