12-50 Special tool block for deep hole precision boring headDetailed product description：

The special tool block for 12-50 deep hole precision boring head adopts a machine clamped non heavy grinding alloy, and the length direction can be adjusted slightly. The tool block and precision boring head body are connected by floating connection, which is suitable for deep hole precision machining.

Unit: mm

Blade size	Applicable boring head specifications	Blade size	Applicable boring head specifications
12×25	40－< 60	20×50	≥90－< 140
16×30	≥60－< 75	25×50	≥140－< 200
16×40	≥75－< 90

12-50 deep hole precision boring head special tool block