T-SM31RR - M31.5 x 0.5 Retaining Ring
T-SM31RR - M31.5 x 0.5 Retaining Ring
- Standard Retaining Rings for Optics Ranging from Ø30 mm to Ø1.5"
- Thread M31.5 x 0.5
-
Thickness 0.08" (2.0 mm)
- Compatible Spanner Wrench T-SPW801
- Clear Aperture Ø1.14" (Ø29.0 mm)
| M31.5 x 0.5 Threading | |||
|---|---|---|---|
| Internal Thread | External Thread | ||
| Min Major Diameter | 31.500 mm | Max Major Diameter | 31.480 mm |
| Min Pitch Diameter | 31.175 mm | Min Major Diameter | 31.371 mm |
| Max Pitch Diameter | 31.302 mm | Max Pitch Diameter | 31.155 mm |
| Min Minor Diameter (and 83.3% of Thread) |
30.959 mm | Min Pitch Diameter | 31.058 mm |
| Max Minor Diameter (and 64.9% of Thread) |
31.094 mm | Max Minor Diameter | 30.938 mm |