Drillco 428N120 5/16, High Sp Fl 5/16 In. SH NITRO Construction Reamer

Part Number: DCO428N120

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Drillco 428N120 5/16, High Sp Fl 5/16 in. SH NITRO Construction Reamer
Manufactured from a premium grade of m-7N molybdenum high speed steel. 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 75-80) without increasing brittleness which is measurably harder than high speed steel. Body and clearance are gold and black surface treated for maximum lubricity.

  • Sizes: Fractional
  • Material: High Speed Steel
  • Finish/Coating: Black & Gold
  • Size: 5/16in.
  • Overall Length: 4.5/8in.
  • Flute Length: 2.3/4in.
  • Shank Size: 5/16in.
  • Weight: 0.09 LBS
  • Weight: 0.09 LBS

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