Precise H.S.S. Straight Flute Expansion Chucking Reamer, 1-1/2″ Size, Morse Taper 4, 12-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Series: B4
• For through hole applications only. Maximum expansion of .003″ to .005″.
• High speed steel offers good wear resistance in mild steels non-ferrous materials.
• Expansion feature allows reamer to be resharpened while keeping original diameter.
• Hardness: 58 to 60 RC
• Cutting Direction: Right Hand
• Flute Shape: Straight Flute
• Shank Style: Straight Shank
• Workpiece Material: Steel, Non-Ferrous, Cast Iron, Plastics

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