


Ensures Greater Accuracy & Prevents Drill from Turning in Chuck
Tri-shank (Round with 3 Flat Surfaces)

Four Cutting Edges Penetrate Hard Materials Rapidly

Both Sides are Double Cut
Half Round on the One Side & Flat on the


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


Each Step Drill has Size Graduations Marked
Ensures Greater Accuracy & Prevents Drill from Turning in Chuck

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

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



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

Four Cutting Edges Penetrate Hard Materials Rapidly

With Back Safe (Uncut)
Double Cut on Both Sides


Four Cutting Edges Penetrate Hard Materials Rapidly

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

Double Cut on Both Sides
With Back Safe (Uncut)

