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Thanks Steve,
I looked at Agena site. The shipping cost of one nut to AU is over $40. But since it gives me the specifications I will follow your suggesgtions and start with Bunnings and the ebay site you recommended.
Of course if someone has them lying around .....that would be my 1st choice.
Many thanks Steve, appreciate your help.. Cheers
QUOTE=mura_gadi;1559343]Nut to attach spider to OTA for GSO Dobsonian or
Newtonian telescope tubes. Usually used with GSO's 6", 8" and 10" reflectors. Part # FF240. Sold individually.
Specifications:
Total length = 13.3mm
Head length = 9.0mm
Shaft length = 4.3mm
Head diameter = 11.7mm
Female thread specification = M5 with 12mm thread length[/QUOTE]
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