Irwin Drill Bits & Accessories Online

2X more carbide in tip for 2X longer drilling life

Maximised flute for faster, more efficient dust and debris removal

Unique flute design

fully hardened crome-vanadium steel body

Unique flute design

Aggressive concave cutting angles increase drilling speed by up to

Multiple length available

Full screw Tip

Fully hardened chrome-vanadium steel body for maximum strength and life

Four-cutter tips

Greatest Toughness

Surface finish is black oxide coating for added corrosion resistance

135 degree split point grinding ensures perfect centering and reduced

Golden tempered surface finish for increased durability

Ground flute

140 degree cutting shoulder for smooth finish

fully hardened crome-vanadium steel body

Aggressive concave cutting angles increase drilling speed by up to

Four Faceted ground carbide Tip

Extra deep ground double flutes and reduced flute

Premium steel provides improved core strength for maximum durability and

Optimised 2-cutter tip design

Creates perfect and straight holes

Coarse screw Point for faster drilling into all types of

Coarse screw Point for faster drilling into all types of

Creates perfect and straight holes

Spur cutting edges

Solid centre auger with cutting spur

Aggressive concave cutting angles increase drilling speed by up to

Unique flute design

Unique Brazing process ensures a perfect bond between tip and

Improved carbide tip design ensures for durability and fast drilling

fully hardened crome-vanadium steel body

Unique flute design

Unique flute design

Aggressive concave cutting angles increase drilling speed by up to

Innovative head and tip geometry 25 % thicker carbide tip

Unique flute design

Innovative head and tip geometry 25 % thicker carbide tip

fully hardened crome-vanadium steel body

Aggressive concave cutting angles increase drilling speed by up to

Unique flute design

Aggressive concave cutting angles increase drilling speed by up to

Unique flute design

Aggresive head design for up to 15% speed advantage over

Improved carbide tip design ensures for durability and fast drilling

Full length heat treated

1/4� / 6mm Quick-change shank

Aggressive concave cutting angles increase drilling speed by up to

Innovative head and tip geometry 25 % thicker carbide tip

Aggresive head design for up to 15% speed advantage over

Single flute design gives maximum space for dust removal and

Unique flute design

fully hardened crome-vanadium steel body

1/4� / 6mm hex Shank

Quick-change shank

Four Faceted ground carbide Tip

Chrome-vanadium steel body

Four-cutter tips

Fully hardened chrome-vanadium steel body for maximum strength and life

Aggressive concave cutting angles increase drilling speed by up to

fully hardened crome-vanadium steel body

Four Faceted ground carbide Tip

Chrome-vanadium steel body

For easy pilot drill rmoval push the drift key into

Designed for drilling large diameters (35-150mm) into concrete, granite and

Four Faceted ground carbide Tip

Extra deep ground double flutes and reduced flute

Highly accurate

118 degree split point shape

Up to 4 times faster versus basic flat bits

Double cutting spurs

1/4� / 6mm hex Shank

Blue groove point & cutting edge

Unique flute design

fully hardened crome-vanadium steel body

Hex shank prevents bit slipping in chuck

Creates perfect and straight holes

Extra deep ground double flutes and reduced flute

Four Faceted ground carbide Tip