BEYOND S25S-MTUNR16 (1" Shank) Indexable Internal Boring Bar | 25mm CNC Lathe Turning Tool Holder SCKCL1616H09 The body is forged from

The body is forged from high-strength alloy steel with advanced heat treatment

Very predictable wear pattern makes it easy to manage our tool changes

Q2: Why is the shank size stepped to 31x25mm instead of a standard uniform round bar

It handles high-speed finishing for a long time before needing a fresh corner

gummy exotic metals quickly to prevent structural work hardening

BEYOND S25S-MTUNR16 (1" Shank) Indexable Internal Boring Bar | 25mm CNC Lathe Turning Tool Holder SCKCL1616H09 The body is forged fromBEYOND S25S MTUNR16 Right Hand Indexable Internal Boring Bar (1" Shank) for High Rigidity 93 CNC Lathe Rough Boring and Deep Hole Machining INDUSTRIAL PACKAGING NOTICE: The indexable carbide insert shown mounted inside the pocket matrix of this boring bar is for spatial layout, dimensional visualization, and cutting geometry representation only. Turning inserts are NOT included in the package and must be purchased as separate line items. 1. Product