Jan 26 (Reuters) - U.S. chip toolmaker KLA Corp on Thursday forecast third-quarter revenue below Wall Street estimates, sending its shares down about 5.3% after market.

The chip manufacturing equipment maker expects third-quarter revenue between $2.2 billion and $2.5 billion, falling short of analysts' expectations of $2.55 billion, according to Refinitiv IBES. (Reporting by Mrinalika Roy in Bengaluru; Editing by Devika Syamnath)