T-SM8RR - M8.5 x 0.5 Retaining Ring for Ø8 mm Lens Mounts
T-SM8RR - M8.5 x 0.5 Retaining Ring for Ø8 mm Lens Mounts
Thread M8.5 x 0.5
Thickness 0.07" (1.7 mm)
Clear Aperture Ø0.27" (Ø6.9 mm)
| Internal Thread | External Thread | ||
| Min Major Diameter | 8.500 mm | Max Major Diameter | 8.479 mm |
| Min Pitch Diameter | 8.175 mm | Min Major Diameter | 8.371 mm |
| Max Pitch Diameter | 8.287 mm | Max Pitch Diameter | 8.155 mm |
| Min Minor Diameter (and 83.3% of Thread) |
7.959 mm | Min Pitch Diameter | 8.070 mm |
| Max Minor Diameter (and 64.9% of Thread) |
8.094 mm | Max Minor Diameter | 7.938 mm |