Precise H.S.S. Expansion Hand Reamer, 7/8″ Size, 4″ Straight Flute Length, 9″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Shank Style: Straight Shank
• More accurate than adjustable blade reamers!
• For machine resizing of drilled and bored holes to precise size diameters in a variety of normal ferrous and non-ferrous materials.
• Expansion feature allow reamer to maintains its initial size by compensating for wear on the cutting end.
• Square end allows the reamers to be expanded by hand with the use of an adjustable wrench or straight handle tap wrench.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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