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> 60 helicoil screw thread repair insert 1/2-20 x .410"
60 helicoil screw thread repair insert 1/2-20 x .410"
60 HELICOIL SCREW THREAD REPAIR INSERT 1/2-20 x .410"
This listing is for 60 new inserts. Each is threaded 1/2-20 and measures approx .410" long. Screw thread inserts are used when the original thread of a hole has been worn and is no longer useable. When they are installed into Heli-Coil tapped holes, they provide permanent conventional 60' internal screw threads that accommodate any standard bolt or screw.
