YZH Thread Milling Cutter NPT NPTF HRC60 Full Tooth Inch Pitch CNC For Steel Aluminum 1/16 1/8 1/4 3/8 1/2 1/16 1/2 3/4

YZH Thread Milling Cutter NPT NPTF HRC60 Full Tooth Inch Pitch CNC For Steel Aluminum 1/16 1/8 1/4 3/8 1/2 1/16 1/2 3/4

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