WD 

WD series products are currently in production
Minimum Diameter: ø12MM
WD diameter ø12~ø50MM
(length can be produced according to customer
requirements) 2D/3D/4D/5D
Matching Insert: WDXT 

Four chipbreaker types resolve chip issues Five grades support machining from steel to stainless steel 2C cast iron 2C and non-ferrous metals Proprietary coating technology improves wear and fracture resistance for long tool life 
Four-cornered insert doubles as inner and outer insert for economical use

General Features
The WD series has excellent cutting balance thatprovides stable drilling on a wide range of work materials fromgeneral steel to stainless steel and aluminum alloy.Available in four original chipbreaker styles, the inserts featureimproved chip evacuation and reduced cutting force for use inlow-rigidity contexts.

Features and Applications
Balanced Design
Cutting force during drilling is balanced between inner insert and outer insert.
The relative position of each insert is optimised to prvide stable drilling.

Excellent Chip Control
The chip evacuation direction can be controlled with the chip control groove at the centre of the breaker, enabling goodchip evacuation.

Versatile Tool for a Variety of Machining 
Applications
Select among four types of chipbreakers for diferent applications, allowing optimal drilling for a variety of work materialsand conditions.Suitable for a wide range of applications including hole expansion, spot facing, external tuming and internal boring.

Economical Four-Cornered Insert
This product has an extremely economical design where a single insert type can be used for the central insert orperipheral insert, with two corners for each position - a total of four corners.