M4x0.7 Thumbscrew (GSO FF437) other opinie

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Spare aluminum screws M4 * 0.7 (GSO FF437)

parameters

• thread: M4x0,7
• overall length: 28 mm
• thread length: 15 mm
• head diameter: 9.8 mm
• head knurling: yes
• material: aluminum
• manufacturer's designation: FF437
• weight: 2.5 g

Where are these bolts used?

• GSO lifts: blockade of the lift position and fixing (countering) the eyepiece in the lift
• Crayford Sky-Watcher 2 "eyepiece eyepieces: for attaching the eyepiece to the eyepiece
• GSO angle connectors (all - 1.25 ", 2", 90 ° 45 ° mirror and prismatic): for attaching the eyepiece
• Barlow GSO (all: 1.25 ", 2"): for attaching the eyepiece
• 2 "/ 2" GSO extender connectors (all, straight, with clamping ring, self-centering): for attaching the eyepiece