Value Collection 375-5008 Boring Bar M35 Cobalt Right Hand

Product Description

The VALUE COLLECTION 375-5008 is a right-hand boring bar designed for precision internal boring operations on lathes and boring mills. Manufactured from M35 cobalt high-speed steel, it delivers strong wear resistance and edge retention when cutting ferrous metals and difficult alloys. The bar accepts a minimum bore diameter of 3/16 inches and handles a maximum bore depth of 9/16 inches, making it well suited for small-diameter finish boring work. With an overall length of 1-13/16 inches and a 3/8 inch shank diameter, it mounts directly into standard tool holders and quick-change toolpost setups. Machinists and toolroom operators working with small-bore components will find it a practical, ready-to-run option.

This boring bar is intended for light-duty internal boring on manual and CNC lathes, as well as horizontal boring mills and similar machine tools. Typical applications include finishing pre-drilled or rough-bored holes to close diameter and surface finish tolerances in small workpieces. The right-hand cutting direction suits conventional lathe rotation on most setups. It is a single-piece solid-shank design appropriate for job shops, tool rooms, and production environments where small-bore precision work is routine.

Key Features

• M35 cobalt HSS construction provides superior heat and wear resistance compared to standard M2 high-speed steel
• Minimum bore diameter of 3/16 inches enables work on tight, small-diameter bores
• Maximum bore depth of 9/16 inches suits shallow to moderate internal cuts
• 3/8 inch shank diameter fits standard tool holders and quick-change toolpost blocks
• Right-hand cutting direction for conventional lathe rotation
• Compact 1-13/16 inch overall length minimizes overhang and vibration tendency

Compatibility

Designed as a direct-fit boring bar for lathes and boring machines accepting a 3/8 inch shank, with right-hand cutting geometry for conventional spindle rotation.

Installation Notes

Installation is performed by qualified machinists or toolroom personnel. Secure the shank firmly in the tool holder, ensuring sufficient clamping length to minimize deflection during the cut. Disengage machine power and bring the spindle to a complete stop before setting tool height or adjusting the bar position. Follow the machine manufacturer's guidelines for tool overhang limits to avoid chatter when boring at or near maximum depth.