Irwin Drill Bits & Accessories Online

Optimised 2-cutter tip design

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

fully hardened crome-vanadium steel body

Aggressive concave cutting angles increase drilling speed by up to

Aggressive concave cutting angles increase drilling speed by up to

Innovative head and tip geometry 25 % thicker carbide tip

Tapered Tri-flute design

Full length heat treated

Shot-Ppeened, double-tempered finish

Head takes 80% of the workload

Greatest Toughness

118 degree split point shape

Golden tempered surface finish for increased durability

135 degree split point grinding ensures perfect centering and reduced

140 degree cutting shoulder for smooth finish

solid for high accuracy drilling and fast removal of chips

fully hardened crome-vanadium steel body

Aggressive concave cutting angles increase drilling speed by up to

Chrome-vanadium steel body

Extra deep ground double flutes and reduced flute

Premium steel provides improved core strength for maximum durability and

Maximised flute for faster, more efficient dust and debris removal

Creates perfect and straight holes

Fully Hardened body from tip to shank for extra durability

Creates perfect and straight holes

Fully Hardened body from tip to shank for extra durability

Spur cutting edges

Perfect for all types of wood

Unique flute design

fully hardened crome-vanadium steel body

Single flute design gives maximum space for dust removal and

Unique Brazing process ensures a perfect bond between tip and

Aggressive concave cutting angles increase drilling speed by up to

Innovative head and tip geometry 25 % thicker carbide tip

Aggressive concave cutting angles increase drilling speed by up to

Innovative head and tip geometry 25 % thicker carbide tip

Unique flute design

Aggressive concave cutting angles increase drilling speed by up to

fully hardened crome-vanadium steel body

Innovative head and tip geometry 25 % thicker carbide tip

Innovative head and tip geometry 25 % thicker carbide tip

Unique flute design

Innovative head and tip geometry 25 % thicker carbide tip

Aggressive concave cutting angles increase drilling speed by up to

Unique Brazing process ensures a perfect bond between tip and

Single flute design gives maximum space for dust removal and

Multiple length available

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

Unique Brazing process ensures a perfect bond between tip and

Aggresive head design for up to 15% speed advantage over

Aggressive concave cutting angles increase drilling speed by up to

fully hardened crome-vanadium steel body

Saves battery Life

Double cutting spurs

Four Faceted ground carbide Tip

Designed for drilling hard and abrasive materials

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

Head takes 80% of the workload

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

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

For easy pilot drill rmoval push the drift key into

Four Faceted ground carbide Tip

Chrome-vanadium steel body

Greatest Toughness

Optimum drilling performance

Blue groove point & cutting edge

Thicker cutting edge

1/4� / 6mm hex Shank

10% larger shank

Innovative head and tip geometry 25 % thicker carbide tip

fully hardened crome-vanadium steel body

Extra wide flute for faster chip removal

Fully Hardened body from tip to shank for extra durability

Designed for drilling hard and abrasive materials

Four Faceted ground carbide Tip