Wood flat drill commonly used specifications have an outer diameter of 6mm-40m, The commonly used material in the market is no. 45 steel, whose hardness is HRC40-48. If a better brand uses No. 65 steel, the hardness of Three Point Woodworking Drill Air can be HRC45-54, and the cutting effect is better.
2022/12/16
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
