CPC B25B 15/002 (2013.01) [B23K 26/356 (2015.10); B24C 1/10 (2013.01); B25B 15/005 (2013.01); B25B 23/0035 (2013.01); B25B 15/007 (2013.01); B25B 15/008 (2013.01); B25B 21/00 (2013.01)] | 20 Claims |
1. A tool bit comprising:
a drive portion configured to be engaged by a tool;
a shank extending from the drive portion;
a tip coupled to an end of the shank opposite from the drive portion, the tip having a compressive residual stress layer formed by blasting to increase a wear resistance of the tip relative to the shank; and
a rust preventative coating applied to the compressive residual stress layer of the tip.
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