Precise Over & Undersize H.S.S. Straight Flute Chucking Reamer, .1240″ Size

• H.S.S. – High Speed Steel
• Production HP
• Series: B1
• Designed to resize drilled and bored holes to precise size diameters.
• Used to produce accurate holes in a variety of normal ferrous and non-ferrous materials.
• The round straight shanks may be mounted in chucks, collets or similar toolholders and may be used with a variety of standard portable or stationary machines.
• Suitable cutting oils or appropriate coolant fluids are recommended for most reaming operations.
• Right hand (clockwise rotation) cutting direction.
• Overall length, flute length and shank diameters are sized proportionally to the cutting diameter to permit maximum rigidity.
• The combination of the flute depth and shank diameter 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.
• Manufactured from high speed steel.
• Ground from the solid.
• Standard 45 chamfered cutting edges.
• Straight flute design.
• Bright finish.
• Hardness: 58 to 60 RC
• Cutting Diameter: +.0002″ / -.0000″

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