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.
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
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- Weight: 0.09 LBS
