Precise Metric HSS Straight Flute Chucking Reamer, 21mm Size, .8268″ Decimal Diameter, 2-1/2″ Flute Length, 9-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Series: B1M
• Designed to resize drilled and bored holes.
• Overall length, flute length and shank diameters, are sized proportionally to the cutting diameter to permit maximum rigidity throughout the cutting depth of the tool.
• Combination of flute depth and shank diameter help to ensure adequate space for chips and reduce the contact area to reduce heat build-up.
• Pointed with a 45 chamfered end that forms the cutting edges, when resharpening, this 45 chamfer is the only area that should be ground.
• Easily resharpened.
• Ground from the solid.
• Straight flute design with bright finish.
• 5 Flutes
• Cutting Direction: Right Hand
• Shank Style: Straight Shank
• Hardness: 58 to 60 RC
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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