Table 1.
Dimension of the fasteners used in this study
Type
Diameter
(mm)
Length of threaded portion
(mm)
Space between threads
(mm)
Penetration depth (mm)
Lag screw
9.46
7.79
6.27
83.8
80.3
70.0
0.36
0.33
0.30
71.0
71.0
49.0
Tapping screw
6.3
55.0
0.37
55.0
Sherpa screw
8.0
64.8
0.41
64.8