This thread repair kit is for M14 to repair damaged or worn out threads.The drill bit is about 14.4 mm in diameter and will not fit in a 1/2" (13 mm) drill chuck.
High quality material: The drill bits and screw taps in this thread repair tool set are constructed from high quality steel that is heat treated to a HRC of 50-60, while each thread insert is made of 304 stainless steel for great strength and longevity.
Easy to use: These 135° drill bits help reduce the amount of pressure needed to make the drill cuts, while the rubber coated installation and tang breakoff tools provide a comfortable and sure grip as you work.
Package list: 10 x Wire Thread Inserts(Size: M14x1.5; Length: 2D.), 1 x Twist Drill Bit, 1 x Breaking Pin Tool, 1 x Installation Tool, 1 x Screw Tap
Widely used: This helicoil repair kit is engineered to effectively restore stripped, damaged, or worn threads on a variety of materials, including aluminum, iron, carbon steel, bronze, magnesium, and more!Typical applications: high voltage switchgear, microwave communication, automotive parts, air separation equipment, radiators, etc.