63-380 Boring and rolling combination headDetailed product description：

The 63-380 boring and rolling combination head adopts a processing method of one precision boring and two rolling, which combines precision boring and rolling into one cutting process to ensure processing quality and greatly improve efficiency.

Unit: mm

Specification of boring and rolling head	Equipped with a knife holder
63-70	fifty-six
eighty	seventy
one hundred	eighty
110-125	one hundred
140-160	one hundred and thirty
180-250	one hundred and sixty
360 380	two hundred and twenty