Fine Pitch Screw Adjusters
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Easy micrometer replacement for improved positioning resolution
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Available with 0.25mm pitch threads
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Hex key adjustment
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Lockable
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Adjustment knob provided
These fine pitch screws are offered for use in place of micrometers. For applications demanding screw adjustment by hex key, M6-P0.25 and M4-P0.25 pitch screws are offered with hex heads. These precision screw adjusters are turned from high grade stainless steel and are supplied with a matching brass nut designed to fit OptoSigma stages and mirror mounts. The M6-P0.25 screws are designed to drive OptoSigma’s 40mm and 65mm stages. For small positioning applications the M4-P0.25 screws are designed for use with 25mm stages.These fine pitch screw adjusters are lockable by means of a conveniently located set screw.
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| Thread (mm) | Drive Type | Travel, L (mm) | Dimensions tolerance | Material | Adjustment | Sensitivity | Length, L (mm) | Sensitivithy |
|---|---|---|---|---|---|---|---|---|
| M6-P0.25 | Hex | - | ±0.2mm | Stainless Steel | 250µm/turn | - | 13 | 5µm |
| M6-P0.25 | Hex | - | ±0.2mm | Stainless Steel | 250µm/turn | - | 25 | 5µm |
| M4-P0.25 | Hex | - | ±0.2mm | Stainless Steel | 250µm/turn | - | 6.5 | 5µm |