4494-D Tool Holder for Square Boring Bars (TYPE D) BISON

The professional 4494-D (Type D) Tool Holder by BISON is a premium-grade lathe accessory engineered for high-rigidity and secure clamping of square boring bars and turning tools. Manufactured to elite industrial standards from heavy-duty, hardened steel alloy, this tool holder effectively eliminates machining vibrations and deflection, guaranteeing maximum stability, tight dimensional accuracies, and excellent surface finishes under demanding cutting loads.

As highlighted in the technical chart from image_880da8.png, this tool holder is available in multiple size variants to perfectly match your lathe setup, ranging from type T00M up to T3, with corresponding dimensions ($B \times H\text{ mm}$). Its advanced design supports rapid tool changes and seamless micro-height adjustments, making it an indispensable asset for conventional lathes and quick-change tool post (QCTP) systems.

Features:

• Product Code: 4494-D

• Holder Style: TYPE D (Optimized for square shanks and boring bars)

• Manufacturer: BISON (Premium industrial toolholding solutions)

• Material: Drop-forged and precision-ground structural steel for vibration dampening

Dimension Explanation: Type / Size / B x H (mm)