GSO Replacement Thumb Screw, Metric M4-0.7, 7mm Thread Length for Astronomy Accessories (Pack of 2)

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Thumb screw with knurled head; Metric M4-0.7 thread with 7mm thread length. Pack of 2 screws.
Excellent replacement for lost screws or upgrades for smaller ones on your astronomy accessories. Will work with commonly available eyepiece holders, adapters, diagonals, barlows, etc. that are threaded for M4 screws. Large knurled head makes it easier to grip with gloves on.
Useful Resources
Measurements - Short Screw:
A = Head Height: 0.32 in (8.1mm)
B = Head Diameter: 0.38 in (9.8mm)
C = Shoulder Height: 0.19 in (4.9mm)
D = Shoulder Diameter: 0.29 in (7.5mm)
L = Total Length: 0.83 in (21mm)
T = Thread Length: 0.27 in (7mm)
Thread Size: M4-0.7
Thread Style: Coarse
Head Style: Knurled Thumbscrew
Drive Style: None
Material: Varies based on available stock
Color: Silver
Other Information
- Country of Manufacture: Taiwan
Thumb screw with knurled head; Metric M4-0.7 thread with 7mm thread length. Pack of 2 screws.
Excellent replacement for lost screws or upgrades for smaller ones on your astronomy accessories. Will work with commonly available eyepiece holders, adapters, diagonals, barlows, etc. that are threaded for M4 screws. Large knurled head makes it easier to grip with gloves on.
Thumb screw with knurled head; Metric M4-0.7 thread with 7mm thread length. Pack of 2 screws.
Excellent replacement for lost screws or upgrades for smaller ones on your astronomy accessories. Will work with commonly available eyepiece holders, adapters, diagonals, barlows, etc. that are threaded for M4 screws. Large knurled head makes it easier to grip with gloves on.
Useful Resources
Measurements - Short Screw:
A = Head Height: 0.32 in (8.1mm)
B = Head Diameter: 0.38 in (9.8mm)
C = Shoulder Height: 0.19 in (4.9mm)
D = Shoulder Diameter: 0.29 in (7.5mm)
L = Total Length: 0.83 in (21mm)
T = Thread Length: 0.27 in (7mm)
Thread Size: M4-0.7
Thread Style: Coarse
Head Style: Knurled Thumbscrew
Drive Style: None
Material: Varies based on available stock
Color: Silver
Other Information
- Country of Manufacture: Taiwan

GSO Replacement Thumb Screw, Metric M4-0.7, 7mm Thread Length for Astronomy Accessories (Pack of 2)
