From: Effect of the core bone engaged length on the BASHTI fixation strength, an in-vitro study on bovine tendons using identical-density surrogate bones
Tunnel
(mm)
Tendon
Core bone
Drill bit inner
diameter (mm)
10
6
9.5*
9.9
9
9.4
8.5
8.9
7
8
9*
8.4
8.5*
7.5
7.9