Walter Surface Technologies Drillco® Nitro Construction Reamer

Drillco® Nitro Construction ReamerManufactured from a premium grade of m-7N molybdenum high speed steelHas a Ferritic Nitro Carburizing surface treatment which gives a hard protective layer to the reamerThis increases hardness (Rc 75-80) without increasing brittleness which is measurably harder than high speed steelBody and clearance are gold and black surface treated for maximum lubricity