Scientific Cutting Tools PCD-B140400 Boring Bar

Product Description

The SCIENTIFIC CUTTING TOOLS PCD-B140400 is a corner radius boring bar designed for internal turning and boring operations on CNC lathes and manual turning centers. It features a right-hand cutting direction and a 0.004-inch corner radius, making it suited for precision bore finishing where tight tolerances and clean corner geometry are required. The shank diameter is 3/16 inches with an overall length of 2 inches, and the minimum bore diameter is 0.14 inches. The uncoated carbide form is intended for machinists and toolroom operators working in small-bore applications where insert-style tooling cannot reach.

This boring bar is used in small-bore internal machining applications, particularly where minimum bore diameter constraints limit the use of larger tooling. It is suited for both production and toolroom environments handling precision components with bore depths up to 0.4 inches. The right-hand cut configuration is standard for conventional lathe setups. Machinists working on small hydraulic components, medical parts, or precision instrument housings will find this bar applicable to those bore profiles.

Key Features

• Minimum bore diameter of 0.14 inches for tight small-bore access
• Maximum bore depth of 0.4 inches
• 0.004-inch corner radius for controlled internal corner geometry
• Right-hand cutting direction for standard lathe orientation
• 3/16-inch shank diameter for compatible toolholder mounting
• Uncoated finish for compatibility with a range of workpiece materials

Compatibility

Designed as a direct-fit replacement-style small-bore corner radius boring bar for use in toolholders accepting a 3/16-inch round shank in CNC or manual turning applications.

Installation Notes

Installation should be performed by a qualified machinist with the machine powered off and in a locked-out state. Secure the 3/16-inch shank firmly in the toolholder to minimize overhang and reduce chatter risk during boring operations. Confirm bore depth and diameter clearances before engaging the cut. Follow shop-standard tool-setting procedures and verify runout with a dial indicator before production use.