1/2,Spiral Flute 1/2" Shank NITRO Construction Reamer
Part: #427N132
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. size: 1/2, length: 5.7/8, flute length: 4
- Fractional
- High Speed Steel
- Black & Gold
- Spiral Flute
- 3 Flats, Reduced Shank