Vcoil UNF STI-Taps Thread Repair Kit, set of 2pcs Wire Thread Inserts 1.5D - 1.1/4x12 Blacksmith Drill Flute direction: Left-hand spiral flute

Flute direction: Left-hand spiral flute for effective chip flow

Standards: Manufactured and assessed to ANSI/ASME thread system standards for thread plug gauges

Tool type: Stub-type machine reamer

Designed for mold and die machining on materials below 55 HRc

and hobbyists quickly verify that threaded holes meet exact specs so components thread in smoothly

Vcoil UNF STI-Taps Thread Repair Kit, set of 2pcs Wire Thread Inserts 1.5D - 1.1/4x12 Blacksmith Drill Flute direction: Left-hand spiral fluteRepair damaged threads with precision using the Vcoil UNF STI Taps Thread Repair Kit. This two insert set sits in a durable presentation case, designed for maintenance, installation, and small series production, delivering reliable, long lasting internal threads. Wire thread inserts DIN 8140: stainless steel inserts with ISO 2 (6H) tolerance, Type S, engineered for strong, secure repair up to M12 and UNF 1 1 4 x 12 applications. 1. 5D length: insert