please select a size from the pull down menu Locknut taps and are for creating or repairing internal locknut threads. We stock all the sizes from N01 to N14. These taps as designated by the outside diameter and thread per inch. All locknut taps and dies are high speed steel (HSS) Bearing locknuts are also referred to as shaft or withdrawal nuts, depending on their use. They are used to locate bearings and other components onto a shaft as well as to facilitate mounting bearings on tapered journals and dismounting bearings from withdrawal sleeves Threads are American (National) Standard Form, Fine Pitch, Equivalent to a Class 3 Fit. Plug Taps ( Seconding Tap)- This style, with a 4-6 thread chamfer, is most widely used in through holes and where there is sufficient room at the bottom in blind holes. * Prefix "A" before Locknut Number, Indicates that this size was previously manufactured with 11 threads per inch. please contact us for sizes not available on our cart link to locknut information page LOCKNUT NUMBER O.D. THREADS PER INCH NUMBER MAXIMUM N-00 32 0.391 N-01 32 0.469 N-02 32 0.586 N-03 32 0.664 N-04 32 0.781 N-05 32 0.969 N-06 18 1.173 N-07 18 1.376 N-08 18 1.563 N-09 18 1.767 N-10 18 1.967 N-11 18 2.157 N-12 18 2.36 N-13 18 2.548 N-14 18 2.751
