
Rustproof
NT TOOL's rust-proofed holders maintain processing accuracy without additional rust prevention.

Ordinary tooling
Without proper maintenance for rust prevention, ordinary tool holders will begin to rust after serveral days in use. This rust has negative effect on machinig accuracy and/or spindle.
Ehen the taper are a gets rusty, the runout accuracy of the tip of acutting tool deleriorates by 0.01-0.02mm.
Ehen the taper are a gets rusty, the runout accuracy of the tip of acutting tool deleriorates by 0.01-0.02mm.