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Machine Ground Convex Concave Cut Burs, Standard Cut



Machine Ground Convex Concave Cut Burs
These files have smooth, undamaged flutes, they are ground from hardened high speed steel blanks. They are used for filing mild steels and pliable, stringy materials like aluminum, brass, lead, plastics, and magnesium. They are best used in machines with flexible shafts and air tools, at medium speeds.

  • Proudly made right here in the USA.

Download the Safety Data Sheet

HSS Concave Convex / Rotary Files Data Sheet

Download the Product Data Sheet
for products and additional cut availabiltiy

Standard Cut Burs


The standard cut bur provides easy chip flow and faster material removal with little to no clogging. Can be used on aluminum, magnesium, soft steel, plastic, rubber and wood.
Flame End Bur, Double Cut (ADA) SKU W33.280

Machine Ground

Convex Concave Cut bur


1/4" x 1"
with 1/4" shank with 2-1/4 overall length

Part# W33.280

Machine Ground Convex Concave Shape Item No. Part# W33.280