Irwin Drill Bits & Accessories Online

Four-cutter tips

53 degree drilling head & single flute design

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

Optimised 2-cutter tip design

Up to 4 times faster versus basic flat bits

Quick-change shank

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

For easy pilot drill rmoval push the drift key into

Tin has a low coefficient of friction

Less heat TiN is also a poor conductor of heat,...

Drill with low RPM

No hammer action

It is designed for drilling steel and steel castings, alloyed...

Greatest Toughness

Highest carbide grade

No hammer action

Hardening superb wear resistance, hardness of 63-66 HRC

3-Flatted shank

Unique flute design

Innovative head and tip geometry 25 % thicker carbide tip

Carbide spear-point tip cuts clean, round holes with minimised chipping

Drill with low RPM

Industrial ground flute

135 degree split point grinding Ensures perfect centering and reduced

140 degree cutting shoulder for smooth finish

3-Flatted shank

Highest carbide grade

No hammer action

Innovative head and tip geometry 25 % thicker carbide tip

Aggressive concave cutting angles increase drilling speed by up to

Highest steel grade

Optimum drilling performance

Optimised 2-cutter tip design

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

Greatest Toughness

118 degree split point shape

Head takes 80% of the workload

Shot-Ppeened, double-tempered finish

fully hardened crome-vanadium steel body

Innovative head and tip geometry 25 % thicker carbide tip

Aggressive concave cutting angles increase drilling speed by up to

Unique flute design

Industrial quality ground flute

Cobalt alloyed drill bit body

Single spur design for smoother hole finish

Extra wide flute for faster chip removal

Unique flute design

Aggressive concave cutting angles increase drilling speed by up to

Four Faceted ground carbide Tip

Designed for drilling hard and abrasive materials

Multiple length available

Saves battery Life

Tin has a low coefficient of friction

Less heat TiN is also a poor conductor of heat,...

1/4� / 6mm Quick-change shank

Multiple length available

Full screw Tip

Three cutting spurs

53 degree drilling head & single flute design

Four-cutter tips

Single flute design gives maximum space for dust removal and

Aggresive head design for up to 15% speed advantage over

Designed for drilling hard and abrasive materials

Chrome-vanadium steel body

Highly accurate

DIN 338 series is suitable for many trade and industrial...

Extra wide flute for faster chip removal

Fully Hardened body from tip to shank for extra durability

Innovative head and tip geometry 25 % thicker carbide tip

fully hardened crome-vanadium steel body

Shot-Ppeened, double-tempered finish

Four-cutter tips

The unique tip design with 2X more carbide is optimised

Optimised 2-cutter tip design

Innovative head and tip geometry 25 % thicker carbide tip

Aggressive concave cutting angles increase drilling speed by up to

Special shaped cutting edges mean higher durability resulting in 50%

Extremely hard and wear resistant carbide

No hammer action

Drill with low RPM