DIN 103 30° Trapezoidal Threading Carbide Inserts 27IR/27ER 7TR 8TR

Product overview

DIN 103 trapezoidal threading carbide inserts are designed for accurate internal and external trapezoidal thread machining on CNC lathes and turning centers. The 30° trapezoidal thread profile conforms to DIN 103 thread geometry and is suitable for applications requiring reliable thread form, dimensional consistency and stable cutting performance. Available configurations include 27IR for internal threading and 27ER for external threading, with 7TR and 8TR specifications to meet different machining requirements. The indexable carbide design allows convenient insert replacement while maintaining consistent machining accuracy and helping reduce overall tooling costs. Key Features: • DIN 103 trapezoidal thread profile • 30° included thread angle • 27IR internal threading insert options • 27ER external threading insert options • 7TR and 8TR specifications available • Carbide cutting insert construction • Suitable for CNC turning and threading operations • Designed for accurate internal and external threads • Replaceable indexable insert design • Custom specifications and OEM solutions available