Accupro ACC-HB1351000 Helical Boring Bar Solid Carbide

Product Description

The ACCUPRO ACC-HB1351000 is a helical boring bar machined from submicron-grade solid carbide, designed for precision internal boring operations on CNC and manual lathes. It features a minimum bore diameter of 0.135 inches and a maximum bore depth of 1 inch, making it well-suited for small-diameter, tight-tolerance bores. The 3/16-inch shank diameter and 2-inch overall length give this bar a compact, rigid profile that minimizes deflection during cutting. The bright finish coating reduces friction and aids in chip evacuation. Right-hand cutting geometry follows standard orientation for most turning center setups.

This boring bar is intended for use in precision machining environments where small-bore internal turning is required. Typical applications include finishing operations on hydraulic valve bodies, pneumatic fittings, bushings, and similar small-diameter workpieces in steel, aluminum, and non-ferrous alloys. It is suited for job shops, production machine shops, and toolroom applications where consistent bore geometry and surface finish are critical. Machinists and CNC programmers working with small-bore internal features will find this tool fits standard toolholding systems that accept a 3/16-inch shank.

Key Features

• Submicron solid carbide construction for superior wear resistance and rigidity
• 0.135 inch minimum bore diameter for small-diameter internal turning
• 1 inch maximum bore depth supports a range of internal feature lengths
• 3/16 inch shank diameter fits standard small-bore toolholding systems
• Right-hand cutting direction compatible with standard lathe and turning center setups
• Bright finish coating reduces built-up edge and aids chip flow

Compatibility

Designed as an OEM-style replacement or direct-use helical boring bar for toolholding systems that accept a 3/16-inch round shank, suitable for CNC turning centers and manual lathes configured for small-bore internal operations.

Installation Notes

Installation and tool setup should be performed by a qualified machinist or CNC operator. Secure the shank firmly in a compatible boring bar holder or toolpost before beginning any operation, and verify shank runout before cutting. Always power down and lock out the machine spindle before changing or adjusting tooling. Follow the machine manufacturer guidelines and applicable shop safety procedures when setting tool overhang, as excessive overhang beyond the rated bore depth can increase deflection and reduce tool life.