Product Features

• Each boring head is provided with three different insert holders for the machining of different boring ranges.
• The insert holder and insert are installed with 3° cutting range.
• Insert holder can be mounted in opposite direction to realize the back boring.
• Better connection between insert holder and tool body provides higher tool rigidity and working performance.
• All CBA fine boring tools are with internal cooling design, which increase the surface finish and inserts tool life.

Insert Holder Options

Insert Holder and Extended Insert Holder

Specifications Table

Specification	Figure	Boring head	Boring range	(Specification)	Figure	Boring Head	Boring range
Insert holder ENH1-1		CBA20	20-26mm	Insert holder ENH4-1		CBA40	40-55mm
Insert holder ENH1-2			25-31mm	Insert holder ENH4-2			51-66mm
Insert holder ENH1-3			30-36mm	Insert holder ENH4-3			64-79mm
Insert holder ENH2-1		CBA25	25-33mm	Insert holder ENH1-1		CBA52	52-75mm
Insert holder ENH2-2			32-40mm	Insert holder ENH5-2			70-93mm
Insert holder ENH2-3			39-47mm	Insert holder ENH5-3			89-112mm
Insert holder ENH3-1		CBA32	32-42mm	Insert holder ENH6-1		CBA68	68-100mm
Insert holder 3-2			41-51mm	Insert holder ENH6-2			94-125mm
Insert holder ENH3-3			50-60mm	Insert holder ENH6-3			118-150mm

CBA Finish Back Boring Head

In order to check with the feasibility of the back boring operation and to select the best possible tool combination, these values can be calculated as follows: