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Table 1 Cannulated cancellous screws S1, S2, and S3

From: Comparison of compressive forces caused by various cannulated cancellous screws used in arthroscopic ankle arthrodesis

  Total length (mm) Outer diameter Thread (mm) Minor diameter Pitch (mm)
S1 55 φ 6.5 16 φ 4.0 1.75
S2 55 φ 6.5 20 φ 5.0 1.80
S3 55 φ 6.5 22 φ 5.0 1.75