


Each Step Drill has Size Graduations Marked
Tri-shank (Round with 3 Flat Surfaces)

Four Cutting Edges Penetrate Hard Materials Rapidly

Half Round on the One Side & Flat on the
The File Tapers toward the Point in Width


Double Cut on Both Sides
With Back Safe (Uncut)

Four Cutting Edges Penetrate Hard Materials Rapidly



Triangular Like Taper Files But Double Cut with Sharp Corners


Four Cutting Edges Penetrate Hard Materials Rapidly

Sides are Double Cut, One Edge is Single & One
Parallel in Width & Thickness


Tapers Slightly Towards the Point

Four Cutting Edges Penetrate Hard Materials Rapidly


Four Cutting Edges Penetrate Hard Materials Rapidly


Tri-shank (Round with 3 Flat Surfaces)
Each Step Drill has Size Graduations Marked

Triangular Like Taper Files But Double Cut with Sharp Corners



Four Cutting Edges Penetrate Hard Materials Rapidly

Four Cutting Edges Penetrate Hard Materials Rapidly

Parallel in Width & Thickness
Sides are Double Cut, One Edge is Single & One

Four Cutting Edges Penetrate Hard Materials Rapidly

Four Cutting Edges Penetrate Hard Materials Rapidly

Four Cutting Edges Penetrate Hard Materials Rapidly

Double Cut on Both Sides & Single Cut on the
Tapers in Width & Thickness



With Back Safe (Uncut)
Cut on Knife Side & Knife Blade Shaped

Four Cutting Edges Penetrate Hard Materials Rapidly

Double Cut on Both Sides
With Back Safe (Uncut)


Four Cutting Edges Penetrate Hard Materials Rapidly

Tapers in Width & Thickness
Double Cut on Both Sides & Single Cut on the

Cut on Knife Side & Knife Blade Shaped
With Back Safe (Uncut)

