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Nitro® 429N144 4290N Safety First Construction Reamer, Imperial, 11/16 in Dia x 6-3/8 in L, 1-1/16 in Dia Hex Nut Shank, Spiral Flute
Part #DRILLCO 429N144
Legacy #25702184
MFG #429N144
Nitro® Construction Reamer, Safety First, Series: 4290N, Imperial Reamer Size Measurement System, 11/16 in Dia, 6-3/8 in Overall Length, Hex Nut Shank, 1-1/16 in Shank Dia, Spiral Flute, 4-1/2 in Flute Length, HSS, Black/Gold
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Product Attributes
Brand : Drillco
Type : Safety First
Series : 4290N
Reamer Size Measurement System : Imperial
Diameter : 11/16
Overall Length : 6-3/8
Product Documents
Product 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