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The following cut recommendations are to be used as a general purpose guide for standard usage of carbide burs.  These cuts are best used for general metal removal under normal conditions.

NOTE: When finish is a factor, eliminate the overcut (Double Cut.)
For an exceptional finish, consult our catalog for Fine Cut burs as required.

Material

Recommended Cut

Aluminum

Mill Cut/Coarse left Hand

Brass

Standard with Double Cut

Bronze

Standard with Double Cut

Copper

Mill Cut / Coarse Left Hand

Fiberglass

Router Diamond Cut

Iron, Cast

Standard with Double Cut

Iron, Malleable

Foundry with Double Cut

Inconel

Standard with Double Cut

Magnesium

Mill Cut / Coarse Left Hand

Masonite

Standard with Double Cut

Plastics

Fiberglass

Steel, Alloy 30-40RC

Standard with Double Cut

Steel, Alloy 40-50RC

Standard with Double Cut

Steel, Alloy 55-60RC

Standard with Double Cut

Steel, Carbon

Standard with Double Cut

Steel, Stainless

Standard with Double Cut

Titanium

Standard with Double Cut

Zinc

Mill Cut / Coarse Left Hand

RF File Corp
Manufacturer of the Rota File Line of Carbide and Steel Burs
PO Box 678
129 Layfayette Drive
Syosset NY 11791-0678
800-828-0203 (Toll Free Voice)
516-496-7751 (FAX Line)