Carmex Carmex Internal Right Hand ACME Thread Turning Insert 27 mm / 4 TPI / 27 IR 4 ACME BMA

Internal Thread Turning Insert – ACME 29o Full Profile

The Carmex 27 IR 4 ACME BMA is a high-precision internal thread turning insert designed for producing ACME (29o) trapezoidal thread profiles with a 4 TPI pitch. It forms the complete ACME thread geometry-crest, root, and flanks-in a single operation, ensuring accuracy, thread strength, and excellent finish for motion control, lead screw, and power transmission components.

Made from durable BMA-grade carbide, this insert provides exceptional wear resistance, edge strength, and heat stability. It performs reliably on stainless steels, hardened steels, and other difficult materials, ensuring smooth cutting performance and long tool life even in high-load threading conditions.

• Ordering Code: 27 IR 4 ACME BMA
• Thread Type: ACME (29o Trapezoidal Thread)
• Profile: Full Form
• Insert Type: Internal
• Hand: Right Hand
• L: 27 mm
• I.C.: 5/8”
• Pitch: 4 TPI
• X: 2.3 mm
• Y: 2.7 mm
• Carbide Grade: BMA
• Applications: Internal Thread Turning for ACME Lead and Power Screw Threads
• Key Advantage: Full-profile ACME insert for durable, precise, and wear-resistant thread generation in heavy-duty machining

Manufactured by Carmex Precision Tools Ltd.-a leading global manufacturer of threading and grooving tools-trusted for accuracy, durability, and consistent performance worldwide.