DAYUAN131PC SAE Thread Repair Kit, HSS Drill Helicoil Kit Standard, 1/4" 5/16" 3/8" 7/16" 1/2"

Description

🔧 Fix it right, fix it tight — the pro’s choice for thread repair!

The DAYUAN131PC SAE Thread Repair Kit features high-speed steel drills and heat-treated 45# steel helicoil inserts designed to restore and protect stripped or damaged internal threads. Covering sizes from 1/4" to 1/2", this professional-grade kit offers durable, precise, and versatile thread repair solutions for maintenance and longevity.