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Thread Diameter Size (TDZ) 5/16″ Tool Type Machine Tap Threads per Inch (TPI) 18 Coating TiAlN/Top Thread Standard UNC Tapping Prehole Diameter (Pre-hole) F Overall Length (OAL) 3
5P Usable Length (LU) 2
812″ Coating AM200 Cutting Edge Material Super Cobalt Series/List # 3 Measurement Type Inch
3″ Coating Uncoated Measurement Type Inch Grade IB50 Tool Type Groove Turn Ultra hard Inserts Shape 90° Rectangular Body Material Carbide
331″ Coating Super-B Thread Cutting Part Length (THL) 0
PowerBuilt 18mm Back-Tap O2 Sensor Port Thread Repair Tool USA Made 641133 Milling Thread Diameter Size (TDZ) 5/16″POWERBUILT USA MADE 18MM BACK TAP O2 SENSOR PORT THREAD REPAIR TOOL Product Summary The AllSource Back Tap thread repair tool lets you repair damaged threads in spark plug holes without having to pull the cylinder head or use a coil insert. 18mm size is useful for thread repairs on oxygen sensors, too. U. S. A. What's Included (1) 18mm Back Tap thread repair tool Features + Benefits 18mm size Collapsible design Back Tap is inserted through spark plug
