Carmex Internal Right Hand Whitworth 55° Thread Turning Insert 16 mm / 11 TPI / 16 IR 11 W P25C

Internal Thread Turning Insert – Whitworth 55° Full Profile

The Carmex 16 IR 11 W P25C is a precision internal thread turning insert designed for producing Whitworth (BSW/BSF) 55° thread profiles with an 11 TPI pitch. This full-profile insert accurately forms crest, root, and flank geometry in a single operation, ensuring high thread integrity, consistent fit, and excellent surface finish in internal threading applications.

Manufactured from high-quality P25C-grade carbide, the insert offers outstanding wear resistance, toughness, and thermal stability. It is ideal for threading steels and alloy steels, delivering stable cutting performance, smooth chip evacuation, and long tool life even under demanding production conditions.

Key Features:

• Ordering Code: 16 IR 11 W P25C
• Thread Type: Whitworth (BSW/BSF) – 55°
• Profile: Full Form
• Insert Type: Internal
• Hand: Right Hand
• L: 16 mm
• I.C.: 3/8"
• Pitch: 11 TPI
• X: 1.1 mm
• Y: 1.5 mm
• Carbide Grade: P25C
• Applications: Internal Thread Turning for Whitworth 55° Thread Forms (BSW/BSF)
• Key Advantage: Precise full-profile threading for Whitworth threads with excellent wear resistance and tool life in medium-speed conditions

Manufactured by Carmex Precision Tools Ltd.—a global leader in advanced threading technologies—this insert is part of a wide-ranging product line including Thread Turning Inserts, Mill Thread systems, and Solid Carbide Threadmills. Known for precision, durability, and performance, Carmex tools are trusted in demanding machining environments worldwide.