Excluding the members of the 3, 000 hit club whose careers had coincided with the Dead Ball era (Cobb, Speaker, Wagner, Collins and Lajoie) or even pre-dated the early twentieth century (Anson), the average length of time it has taken for a member of the 3, 000 hit club to accumulate the final 10 hits is 35.14 at bats.
FORBES: An Unconventional Look At Derek Jeter's Journey To 3,000 Hits