Carmex Internal Right Hand UN Unified Thread Turning Insert 20 TPI / 16 IR 20 UN P25C HSS-E Countersink Cutter 90° 3/4" Weldon Shank 30mm 10🔹 Thread Standard: Unified National

10🔹 Thread Standard: Unified National Fine (UNF)🔹 Thread Tolerance Class: ISO 2 (2B)🔹 Flank Angle: 60°🔹 Tap Type: Spiral Flute Short Machine Tap🔹 Helix Angle: 35° Right-Hand🔹 Cutting Direction: Right-Hand🔹 Application: General-Purpose Blind Hole Tapping🔹 Shank Standard: ISO 529🔹 Material: HSSE-V3 (High-Speed Steel)🔹 Hole Type: Blind Hole

Philips 30-2171/2151

A torch maybe useful to examine the seat

Part Number: 3281-SP1

and fabrication industries

Carmex Internal Right Hand UN Unified Thread Turning Insert 20 TPI / 16 IR 20 UN P25C HSS-E Countersink Cutter 90° 3/4" Weldon Shank 30mm 10🔹 Thread Standard: Unified NationalInternal Thread Turning Insert UN Full Profile 60 The UN Full Profile Internal Thread Turning Insert is engineered for precise internal threading of Unified thread forms (UNC, UNF, UNEF, UNS) with a 60 profile. Designed for a 20 TPI pitch, it forms the complete thread geometryincluding crest, root, and flanksin one pass, ensuring consistency and strength in every cut. Made from premium P25C grade carbide, this insert provides excellent wear