Agena Thumb Screw, Metric M3-0.5, 6.5mm Thread Length (Pack of 2)
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Thumb screw with knurled head. Metric M3-0.5 thread with 6.5 mm (0.25 in) thread length. Pack of 2 screws.
These can be used as replacements for many astronomy accessories (diagonals, adapters, focusers, etc.) that have an M3x0.5 thread. If used in diagonals, guiders, etc. as locking thumscrews, please make note of the wider head diameter which might stick out and get in the way of inserted accessories.
Note that M3, M3.5 and M4 threaded-screws are all commonly used on astronomy accessories, so you will need to ensure that you buy the right size for your needs. This screw will not fit inside M3.5 or M4 threaded holes. There is no standardization in the astronomy industry so we cannot tell you what size you might need for your specific accessory.
Also, you might notice that one thread is not silvered and the underlying metal is visible - this is an artifcat of the plating process and is not rust.
Specifications
- Head Length: 8.5 mm (0.33 in)
- Head Diameter: 8 mm (0.31 in)
- Total Length: 15 mm (0.59 in)
- Thread Length: 6.5 mm (0.25 in)
- Thread Specification: M3-0.5 Male
- Head Style: Knurled Thumbscrew
- Drive Style: None
- Material: Varies based on available stock
- Color: Silver
Other Information
- Country of Manufacture: China
Thumb screw with knurled head. Metric M3-0.5 thread with 6.5 mm (0.25 in) thread length. Pack of 2 screws.
These can be used as replacements for many astronomy accessories (diagonals, adapters, focusers, etc.) that have an M3x0.5 thread. If used in diagonals, guiders, etc. as locking thumscrews, please make note of the wider head diameter which might stick out and get in the way of inserted accessories.
Note that M3, M3.5 and M4 threaded-screws are all commonly used on astronomy accessories, so you will need to ensure that you buy the right size for your needs. This screw will not fit inside M3.5 or M4 threaded holes. There is no standardization in the astronomy industry so we cannot tell you what size you might need for your specific accessory.
Also, you might notice that one thread is not silvered and the underlying metal is visible - this is an artifcat of the plating process and is not rust.
Specifications
- Head Length: 8.5 mm (0.33 in)
- Head Diameter: 8 mm (0.31 in)
- Total Length: 15 mm (0.59 in)
- Thread Length: 6.5 mm (0.25 in)
- Thread Specification: M3-0.5 Male
- Head Style: Knurled Thumbscrew
- Drive Style: None
- Material: Varies based on available stock
- Color: Silver
Thumb screw with knurled head. Metric M3-0.5 thread with 6.5 mm (0.25 in) thread length. Pack of 2 screws.
These can be used as replacements for many astronomy accessories (diagonals, adapters, focusers, etc.) that have an M3x0.5 thread. If used in diagonals, guiders, etc. as locking thumscrews, please make note of the wider head diameter which might stick out and get in the way of inserted accessories.
Note that M3, M3.5 and M4 threaded-screws are all commonly used on astronomy accessories, so you will need to ensure that you buy the right size for your needs. This screw will not fit inside M3.5 or M4 threaded holes. There is no standardization in the astronomy industry so we cannot tell you what size you might need for your specific accessory.
Also, you might notice that one thread is not silvered and the underlying metal is visible - this is an artifcat of the plating process and is not rust.
Specifications
- Head Length: 8.5 mm (0.33 in)
- Head Diameter: 8 mm (0.31 in)
- Total Length: 15 mm (0.59 in)
- Thread Length: 6.5 mm (0.25 in)
- Thread Specification: M3-0.5 Male
- Head Style: Knurled Thumbscrew
- Drive Style: None
- Material: Varies based on available stock
- Color: Silver
Other Information
- Country of Manufacture: China
Agena Thumb Screw, Metric M3-0.5, 6.5mm Thread Length (Pack of 2)