Unitac expands Indexable GunDrill diameters’ range down to ø7.94-9.99mm (.3125”-.393”). This expansion makes Indexable GunDrill perfect for drilling automotive and die & mold parts (cooling channels) which require efficient and stable deep-hole ability.
Indexable GunDrill provides improved productivity and tool life, while simplifying tool inventory management, compared with traditional brazed GunDrill. Indexable GunDrill achieves better straightness and surface quality than solid carbide drills, providing superior deep hole accuracies.

We offer the widest range of indexable deep hole drilling solutions on the market.At a Glance

World’s smallest Indexable GunDrill diameter (ø7.94 mm)

Wide range of cutting conditions & tool diameters.

• No diameter setting required.
• Reduces tool setup time thanks to easy insert indexing with existing inserts and spare parts.
• High accuracy and positive chip breaker.

High productivity (due to high feed drilling capability)

Item list

MCTR08.00XM20-20

4811297

MCTR08.00XM20-25

4819490

MCTR08.00XM20-35

4816070

MCTR08.00XM20-45

4819793

MCTR08.50XM20-25

4825009

MCTR08.50XM20-40

4825014

MCTR09.00XM20-25

4819530

MCTR09.00XM20-40

4819533

MCTRCH08.00XM20-25

4819792

MCTRCH08.00XM20-45

4825028

MCTRCH08.50XM20-25

4825029

MCTRCH08.50XM20-40

4825030