3/8,High Sp Fl 3/8" SH NITRO Construction Reamer
Part: #428N124
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: 3/8, length: 4.5/8, flute length: 2.3/4
- Fractional
- High Speed Steel
- Black & Gold
- High Spiral Flute
- 3 Flats, Reduced Shank