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Nitro® 427N140 4275N Construction Reamer, Imperial, 5/8 in Dia x 6-3/8 in L, 1/2 in Dia Reduced with 3-Flat Shank, Spiral Flute

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Description

Nitro® Construction Reamer, Series: 4275N, Imperial, 5/8 in Diameter, 6-3/8 in Overall Length, Reduced with 3-Flat Shank, 1/2 in Shank Diameter, Spiral Flute, 4-1/2 in Flute Length, HSS, Black/Gold

Nitro Heavy-Duty Construction Reamers have a surface treatment, which adds a hard, protective layer to the reamer. This increases hardness without increasing brittleness. Body is black and gold surface treated for maximum lubricity. 3-flats reduced shank.

Specifications

Diameter 5/8 in
Finish Black/Gold
Flute Length 4-1/2 in
Flute Type Spiral
Material HSS
Overall Length 6-3/8 in
Reamer Size Measurement System Imperial
Series 4275N
Shank Diameter 1/2 in
Shank Type Reduced with 3-Flat

Country of Origin: United States

Features

  • Manufactured from a premium grade of m-7N molybdenum HSS
  • The Nitro® heavy duty construction reamers have a ferritic nitro carburizing surface treatment, which gives a hard, protective layer to the reamer
  • This increases hardness (Rc 75 to 80) without increasing brittleness, which is measurably harder than HSS
  • Body and clearance are gold and black surface treated for maximum lubricity
  • Made with premium grade HSS to last longer
  • Spiral flutes for faster chip ejection and cutting operation
  • Tapered point for easy realignment of holes

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