Regal Left Hand 5/16″-18 Size 4 Flute H.S.S. H3, Taper Tap

• H.S.S. – High Speed Steel
• Ground Thread
• Use in wide variety of materials to create left hand threaded holes.
• Used to support counterclockwise turning direction of spindle.
• Hardness: 58 to 60 RC
• Finish Coating: Bright
• Size Type: ANSI
• Flute Shape: Straight Flute
• Shank Type: Straight Shank
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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