A.Z. MEISTERTEILE Drain plug thread repair set
64 pcs' Sizes: M13' M15' M17' M20. It is great for improving the thread of the gearbox‚ sump‚ and other drain bolts. Usage: 1. Remove the damaged oil drain screw. 2. Select the appropriate tap (choose a tap slightly larger than the damaged thread) and use it to drill through the old thread. 3. Select the correct size screw. 4. Insert the new washer and screw into the new thread. Cannot be taken back for quality assurance reasons!
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