Kyocera S12F-SDLCL07 Internal Boring Bar – Ø12 mm x 12mm

The Kyocera S12F-SDLCL07 internal turning toolholder is a precision boring bar designed for internal machining applications including boring, facing, and profiling. Built for small-part machining, it offers excellent rigidity and stability, ensuring consistent performance and high-quality surface finishes even in confined internal diameters.

Designed to suit DCMT/DCGT-style 55° positive inserts, this toolholder provides smooth cutting action with reduced cutting forces. Its cylindrical 12 mm shank enables secure mounting while allowing access to smaller bore sizes, making it ideal for precision engineering and fine finishing operations.

Key Features & Benefits

• Internal boring bar for precision internal turning applications
• Compatible with DCMT/DCGT 55° positive inserts
• 12 mm shank diameter for rigidity and stability
• Ideal for small bore machining and precision work
• Right-hand configuration for standard machining direction
• Positive insert geometry reduces cutting forces
• Excellent chip control for improved machining efficiency
• Suitable for CNC and conventional lathe operations

Technical Specifications

• Part Number: S12F-SDLCL07
• Item Number: THC09248
• Product Type: Internal Turning Boring Bar
• Insert Type: DCMT / DCGT (55° Rhombic, Positive)
• Insert Size: 07
• Shank Diameter (DCON): 12 mm
• Minimum Bore Diameter: 12 mm
• Hand: Right
• Material: Steel
• Total Length (OAL): 120 mm
• Head Length: 16 mm
• Clearance Angle: 7°
• Insert Included Angle: 55°
• Rake Angle (Radial/Axial): 0° / 0°
• Tool Cutting Edge Angle: 95°
• Cutting Edge Length: 7.752 mm
• Corner Radius: 0.4 mm
• Insert Thickness: 2.38 mm
• Internal Coolant: No

Kyocera is globally recognised for precision-engineered cutting tools, delivering reliability, durability, and consistent machining performance across a wide range of industrial applications.