Includes tap, installation tool and set of inserts. 1.5D, 0.4688" OAL inserts.
Tapping drill required: 8.3mm or 21/64".
CTA Insert Replacements: Part #23059
5/16-18 UNC Pro Thread Kit. Thread Size: National Coarse UNC 5/16-18. Includes tap, installation tool and set of inserts. 1.5D, 0.4688" OAL inserts. Tapping drill required: 8.3mm or 21/64". CTA Insert Replacements: Part #23059