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DRILLCO 428N138 19/32 Nitro Construction Reamers High Speed Steel Black & Gold High Spiral Flute
MODEL 428N138
$65.97 Each
Prices are subject to change
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Returnable: Yes
Cat
Reamers
Finish/Coating
Black & Gold
Flute Length
4.1/2
Material
High Speed Steel
Overall Length
6.3/8
Pack Quantity
1
Shank Size
1/2
Size
19/32
Sizes
Fractional
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.
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