Carmex Internal Left Hand Thread Turning Toolholder – 13 mm Shank / 11 mm Insert / SIR 0013 L11

Carmex SIR 0013 L11 – Internal Left Hand Thread Turning Toolholder (16 mm Shank, 11 mm Insert)

The Carmex SIR 0013 L11 is a precision-engineered internal thread turning toolholder designed for left-hand threading applications. It accommodates 11 mm inserts and features a 16 mm shank that delivers outstanding rigidity and stability during cutting. The tool’s compact geometry and 1.5° helix angle enable smooth and accurate threading in small to medium-diameter bores.

Manufactured from hardened alloy steel with precision-ground surfaces, the SIR 0013 L11 ensures excellent insert seating, minimal vibration, and consistent performance across all threading operations. It is compatible with the Carmex 11 IR insert series and supports ISO, UN, and Whitworth thread profiles.

Key Features & Benefits

• Ordering Code: SIR 0013 L11
• Type: Internal Thread Turning Toolholder
• Hand: Left Hand
• Insert Size: 11 mm
• Shank Diameter (D): 16 mm
• Head Diameter (D1): 13 mm
• Minimum Bore Diameter: 15 mm
• Overall Length (L): 140 mm
• Helix Angle: 1.5°
• Clamping Method: Screw
• Compatible Inserts: Carmex 11 IR Series
• Applications: Internal threading in small-to-medium precision bores

Carmex Precision Tools Ltd. is a world leader in the design and manufacture of high-quality threading solutions for both turning and milling. Their product lineup includes Thread Turning Inserts and Toolholders, Mill-Thread Inserts and Holders, Solid Carbide Mill-Thread Tools, and Spiral Mill-Thread Systems.