Click Image to Enlarge

Threaded Prewinders reduce the insert to its installed diameter before it enters the hole, helping to make the installation process much easier and faster, and also reduce the chance that the insert will skip a thread. Prewinder tools are highly recommended for installation of fine pitch and small diameter inserts. Larger sizes are available upon request.

P/NDescription
87503T3 – 56 Threaded Prewinder
87505T4 – 48 Threaded Prewinder
87509T6 – 40 Threaded Prewinder
87511T8 – 36 Threaded Prewinder
87513T10 – 32 Threaded Prewinder
87517T1/4 – 28 Threaded Prewinder
87519T5/16 – 24 Threaded Prewinder
87521T3/8 – 24 Threaded Prewinder
87523T7/16 – 20 Threaded Prewinder